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147,665 commits

Author SHA1 Message Date
Linus Torvalds
bd90741318 misc pile
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull misc vfs updates from Al Viro:
 "misc pile"

* tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fs: sysv: Fix sysv_nblocks() returns wrong value
  get rid of INT_LIMIT, use type_max() instead
  btrfs: replace INT_LIMIT(loff_t) with OFFSET_MAX
  fs: simplify vfs_get_super
  fs: drop useless condition from inode_needs_update_time
2022-12-12 18:38:47 -08:00
Linus Torvalds
75f4d9af8b iov_iter work; most of that is about getting rid of
direction misannotations and (hopefully) preventing
 more of the same for the future.
 
 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull iov_iter updates from Al Viro:
 "iov_iter work; most of that is about getting rid of direction
  misannotations and (hopefully) preventing more of the same for the
  future"

* tag 'pull-iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  use less confusing names for iov_iter direction initializers
  iov_iter: saner checks for attempt to copy to/from iterator
  [xen] fix "direction" argument of iov_iter_kvec()
  [vhost] fix 'direction' argument of iov_iter_{init,bvec}()
  [target] fix iov_iter_bvec() "direction" argument
  [s390] memcpy_real(): WRITE is "data source", not destination...
  [s390] zcore: WRITE is "data source", not destination...
  [infiniband] READ is "data destination", not source...
  [fsi] WRITE is "data source", not destination...
  [s390] copy_oldmem_kernel() - WRITE is "data source", not destination
  csum_and_copy_to_iter(): handle ITER_DISCARD
  get rid of unlikely() on page_copy_sane() calls
2022-12-12 18:29:54 -08:00
Linus Torvalds
405b2fc663 Unification of regset and non-regset sides of ELF coredump
handling.  Collecting per-thread register values is the
 only thing that needs to be ifdefed there...
 
 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'pull-elfcore' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull elf coredumping updates from Al Viro:
 "Unification of regset and non-regset sides of ELF coredump handling.

  Collecting per-thread register values is the only thing that needs to
  be ifdefed there..."

* tag 'pull-elfcore' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  [elf] get rid of get_note_info_size()
  [elf] unify regset and non-regset cases
  [elf][non-regset] use elf_core_copy_task_regs() for dumper as well
  [elf][non-regset] uninline elf_core_copy_task_fpregs() (and lose pt_regs argument)
  elf_core_copy_task_regs(): task_pt_regs is defined everywhere
  [elf][regset] simplify thread list handling in fill_note_info()
  [elf][regset] clean fill_note_info() a bit
  kill extern of vsyscall32_sysctl
  kill coredump_params->regs
  kill signal_pt_regs()
2022-12-12 18:18:34 -08:00
Linus Torvalds
8702f2c611 Non-MM patches for 6.2-rc1.
- A ptrace API cleanup series from Sergey Shtylyov
 
 - Fixes and cleanups for kexec from ye xingchen
 
 - nilfs2 updates from Ryusuke Konishi
 
 - squashfs feature work from Xiaoming Ni: permit configuration of the
   filesystem's compression concurrency from the mount command line.
 
 - A series from Akinobu Mita which addresses bound checking errors when
   writing to debugfs files.
 
 - A series from Yang Yingliang to address rapido memory leaks
 
 - A series from Zheng Yejian to address possible overflow errors in
   encode_comp_t().
 
 - And a whole shower of singleton patches all over the place.
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Merge tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - A ptrace API cleanup series from Sergey Shtylyov

 - Fixes and cleanups for kexec from ye xingchen

 - nilfs2 updates from Ryusuke Konishi

 - squashfs feature work from Xiaoming Ni: permit configuration of the
   filesystem's compression concurrency from the mount command line

 - A series from Akinobu Mita which addresses bound checking errors when
   writing to debugfs files

 - A series from Yang Yingliang to address rapidio memory leaks

 - A series from Zheng Yejian to address possible overflow errors in
   encode_comp_t()

 - And a whole shower of singleton patches all over the place

* tag 'mm-nonmm-stable-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (79 commits)
  ipc: fix memory leak in init_mqueue_fs()
  hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount
  rapidio: devices: fix missing put_device in mport_cdev_open
  kcov: fix spelling typos in comments
  hfs: Fix OOB Write in hfs_asc2mac
  hfs: fix OOB Read in __hfs_brec_find
  relay: fix type mismatch when allocating memory in relay_create_buf()
  ocfs2: always read both high and low parts of dinode link count
  io-mapping: move some code within the include guarded section
  kernel: kcsan: kcsan_test: build without structleak plugin
  mailmap: update email for Iskren Chernev
  eventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD
  rapidio: fix possible UAF when kfifo_alloc() fails
  relay: use strscpy() is more robust and safer
  cpumask: limit visibility of FORCE_NR_CPUS
  acct: fix potential integer overflow in encode_comp_t()
  acct: fix accuracy loss for input value of encode_comp_t()
  linux/init.h: include <linux/build_bug.h> and <linux/stringify.h>
  rapidio: rio: fix possible name leak in rio_register_mport()
  rapidio: fix possible name leaks when rio_add_device() fails
  ...
2022-12-12 17:28:58 -08:00
Linus Torvalds
a7cacfb068 This was a not-too-busy cycle for documentation; highlights include:
- The beginnings of a set of translations into Spanish, headed up by Carlos
   Bilbao.
 
 - More Chinese translations.
 
 - A change to the Sphinx "alabaster" theme by default for HTML generation.
   Unlike the previous default (Read the Docs), alabaster is shipped with
   Sphinx by default, reducing the number of other dependencies that need to
   be installed.  It also (IMO) produces a cleaner and more readable result.
 
 - The ability to render the documentation into the texinfo format
   (something Sphinx could always do, we just never wired it up until now).
 
 Plus the usual collection of typo fixes, build-warning fixes, and minor
 updates.
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Merge tag 'docs-6.2' of git://git.lwn.net/linux

Pull documentation updates from Jonathan Corbet:
 "This was a not-too-busy cycle for documentation; highlights include:

   - The beginnings of a set of translations into Spanish, headed up by
     Carlos Bilbao

   - More Chinese translations

   - A change to the Sphinx "alabaster" theme by default for HTML
     generation.

     Unlike the previous default (Read the Docs), alabaster is shipped
     with Sphinx by default, reducing the number of other dependencies
     that need to be installed. It also (IMO) produces a cleaner and
     more readable result.

   - The ability to render the documentation into the texinfo format
     (something Sphinx could always do, we just never wired it up until
     now)

  Plus the usual collection of typo fixes, build-warning fixes, and
  minor updates"

* tag 'docs-6.2' of git://git.lwn.net/linux: (67 commits)
  Documentation/features: Use loongarch instead of loong
  Documentation/features-refresh.sh: Only sed the beginning "arch" of ARCH_DIR
  docs/zh_CN: Fix '.. only::' directive's expression
  docs/sp_SP: Add memory-barriers.txt Spanish translation
  docs/zh_CN/LoongArch: Update links of LoongArch ISA Vol1 and ELF psABI
  docs/LoongArch: Update links of LoongArch ISA Vol1 and ELF psABI
  Documentation/features: Update feature lists for 6.1
  Documentation: Fixed a typo in bootconfig.rst
  docs/sp_SP: Add process coding-style translation
  docs/sp_SP: Add kernel-docs.rst Spanish translation
  docs: Create translations/sp_SP/process/, move submitting-patches.rst
  docs: Add book to process/kernel-docs.rst
  docs: Retire old resources from kernel-docs.rst
  docs: Update maintainer of kernel-docs.rst
  Documentation: riscv: Document the sv57 VM layout
  Documentation: USB: correct possessive "its" usage
  math64: fix kernel-doc return value warnings
  math64: add kernel-doc for DIV64_U64_ROUND_UP
  math64: favor kernel-doc from header files
  doc: add texinfodocs and infodocs targets
  ...
2022-12-12 17:18:50 -08:00
Linus Torvalds
e2ed78d5d9 linux-kselftest-kunit-next-6.2-rc1
This KUnit next update for Linux 6.2-rc1 consists of several enhancements,
 fixes, clean-ups, documentation updates, improvements to logging and KTAP
 compliance of KUnit test output:
 
 - log numbers in decimal and hex
 - parse KTAP compliant test output
 - allow conditionally exposing static symbols to tests
   when KUNIT is enabled
 - make static symbols visible during kunit testing
 - clean-ups to remove unused structure definition
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Merge tag 'linux-kselftest-kunit-next-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit updates from Shuah Khan:
 "Several enhancements, fixes, clean-ups, documentation updates,
  improvements to logging and KTAP compliance of KUnit test output:

   - log numbers in decimal and hex

   - parse KTAP compliant test output

   - allow conditionally exposing static symbols to tests when KUNIT is
     enabled

   - make static symbols visible during kunit testing

   - clean-ups to remove unused structure definition"

* tag 'linux-kselftest-kunit-next-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (29 commits)
  Documentation: dev-tools: Clarify requirements for result description
  apparmor: test: make static symbols visible during kunit testing
  kunit: add macro to allow conditionally exposing static symbols to tests
  kunit: tool: make parser preserve whitespace when printing test log
  Documentation: kunit: Fix "How Do I Use This" / "Next Steps" sections
  kunit: tool: don't include KTAP headers and the like in the test log
  kunit: improve KTAP compliance of KUnit test output
  kunit: tool: parse KTAP compliant test output
  mm: slub: test: Use the kunit_get_current_test() function
  kunit: Use the static key when retrieving the current test
  kunit: Provide a static key to check if KUnit is actively running tests
  kunit: tool: make --json do nothing if --raw_ouput is set
  kunit: tool: tweak error message when no KTAP found
  kunit: remove KUNIT_INIT_MEM_ASSERTION macro
  Documentation: kunit: Remove redundant 'tips.rst' page
  Documentation: KUnit: reword description of assertions
  Documentation: KUnit: make usage.rst a superset of tips.rst, remove duplication
  kunit: eliminate KUNIT_INIT_*_ASSERT_STRUCT macros
  kunit: tool: remove redundant file.close() call in unit test
  kunit: tool: unit tests all check parser errors, standardize formatting a bit
  ...
2022-12-12 16:42:57 -08:00
Linus Torvalds
268325bda5 Random number generator updates for Linux 6.2-rc1.
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Merge tag 'random-6.2-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull random number generator updates from Jason Donenfeld:

 - Replace prandom_u32_max() and various open-coded variants of it,
   there is now a new family of functions that uses fast rejection
   sampling to choose properly uniformly random numbers within an
   interval:

       get_random_u32_below(ceil) - [0, ceil)
       get_random_u32_above(floor) - (floor, U32_MAX]
       get_random_u32_inclusive(floor, ceil) - [floor, ceil]

   Coccinelle was used to convert all current users of
   prandom_u32_max(), as well as many open-coded patterns, resulting in
   improvements throughout the tree.

   I'll have a "late" 6.1-rc1 pull for you that removes the now unused
   prandom_u32_max() function, just in case any other trees add a new
   use case of it that needs to converted. According to linux-next,
   there may be two trivial cases of prandom_u32_max() reintroductions
   that are fixable with a 's/.../.../'. So I'll have for you a final
   conversion patch doing that alongside the removal patch during the
   second week.

   This is a treewide change that touches many files throughout.

 - More consistent use of get_random_canary().

 - Updates to comments, documentation, tests, headers, and
   simplification in configuration.

 - The arch_get_random*_early() abstraction was only used by arm64 and
   wasn't entirely useful, so this has been replaced by code that works
   in all relevant contexts.

 - The kernel will use and manage random seeds in non-volatile EFI
   variables, refreshing a variable with a fresh seed when the RNG is
   initialized. The RNG GUID namespace is then hidden from efivarfs to
   prevent accidental leakage.

   These changes are split into random.c infrastructure code used in the
   EFI subsystem, in this pull request, and related support inside of
   EFISTUB, in Ard's EFI tree. These are co-dependent for full
   functionality, but the order of merging doesn't matter.

 - Part of the infrastructure added for the EFI support is also used for
   an improvement to the way vsprintf initializes its siphash key,
   replacing an sleep loop wart.

 - The hardware RNG framework now always calls its correct random.c
   input function, add_hwgenerator_randomness(), rather than sometimes
   going through helpers better suited for other cases.

 - The add_latent_entropy() function has long been called from the fork
   handler, but is a no-op when the latent entropy gcc plugin isn't
   used, which is fine for the purposes of latent entropy.

   But it was missing out on the cycle counter that was also being mixed
   in beside the latent entropy variable. So now, if the latent entropy
   gcc plugin isn't enabled, add_latent_entropy() will expand to a call
   to add_device_randomness(NULL, 0), which adds a cycle counter,
   without the absent latent entropy variable.

 - The RNG is now reseeded from a delayed worker, rather than on demand
   when used. Always running from a worker allows it to make use of the
   CPU RNG on platforms like S390x, whose instructions are too slow to
   do so from interrupts. It also has the effect of adding in new inputs
   more frequently with more regularity, amounting to a long term
   transcript of random values. Plus, it helps a bit with the upcoming
   vDSO implementation (which isn't yet ready for 6.2).

 - The jitter entropy algorithm now tries to execute on many different
   CPUs, round-robining, in hopes of hitting even more memory latencies
   and other unpredictable effects. It also will mix in a cycle counter
   when the entropy timer fires, in addition to being mixed in from the
   main loop, to account more explicitly for fluctuations in that timer
   firing. And the state it touches is now kept within the same cache
   line, so that it's assured that the different execution contexts will
   cause latencies.

* tag 'random-6.2-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random: (23 commits)
  random: include <linux/once.h> in the right header
  random: align entropy_timer_state to cache line
  random: mix in cycle counter when jitter timer fires
  random: spread out jitter callback to different CPUs
  random: remove extraneous period and add a missing one in comments
  efi: random: refresh non-volatile random seed when RNG is initialized
  vsprintf: initialize siphash key using notifier
  random: add back async readiness notifier
  random: reseed in delayed work rather than on-demand
  random: always mix cycle counter in add_latent_entropy()
  hw_random: use add_hwgenerator_randomness() for early entropy
  random: modernize documentation comment on get_random_bytes()
  random: adjust comment to account for removed function
  random: remove early archrandom abstraction
  random: use random.trust_{bootloader,cpu} command line option only
  stackprotector: actually use get_random_canary()
  stackprotector: move get_random_canary() into stackprotector.h
  treewide: use get_random_u32_inclusive() when possible
  treewide: use get_random_u32_{above,below}() instead of manual loop
  treewide: use get_random_u32_below() instead of deprecated function
  ...
2022-12-12 16:22:22 -08:00
Linus Torvalds
ca1443c7e7 Merge branch 'for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
Pull percpu updates from Dennis Zhou:
 "Baoquan was nice enough to run some clean ups for percpu"

* 'for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
  mm/percpu: remove unused PERCPU_DYNAMIC_EARLY_SLOTS
  mm/percpu.c: remove the lcm code since block size is fixed at page size
  mm/percpu: replace the goto with break
  mm/percpu: add comment to state the empty populated pages accounting
  mm/percpu: Update the code comment when creating new chunk
  mm/percpu: use list_first_entry_or_null in pcpu_reclaim_populated()
  mm/percpu: remove unused pcpu_map_extend_chunks
2022-12-12 16:07:04 -08:00
Linus Torvalds
a312a8cc3c cgroup changes for v6.2-rc1
Nothing too interesting.
 
 * Add CONFIG_DEBUG_GROUP_REF which makes cgroup refcnt operations kprobable.
 
 * A couple cpuset optimizations.
 
 * Other misc changes including doc and test updates.
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Merge tag 'cgroup-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup updates from Tejun Heo:
 "Nothing too interesting:

   - Add CONFIG_DEBUG_GROUP_REF which makes cgroup refcnt operations
     kprobable

   - A couple cpuset optimizations

   - Other misc changes including doc and test updates"

* tag 'cgroup-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup: remove rcu_read_lock()/rcu_read_unlock() in critical section of spin_lock_irq()
  cgroup/cpuset: Improve cpuset_css_alloc() description
  kselftest/cgroup: Add cleanup() to test_cpuset_prs.sh
  cgroup/cpuset: Optimize cpuset_attach() on v2
  cgroup/cpuset: Skip spread flags update on v2
  kselftest/cgroup: Fix gathering number of CPUs
  cgroup: cgroup refcnt functions should be exported when CONFIG_DEBUG_CGROUP_REF
  cgroup: Implement DEBUG_CGROUP_REF
2022-12-12 15:48:36 -08:00
Coco Li
89300468e2 IPv6/GRO: generic helper to remove temporary HBH/jumbo header in driver
IPv6/TCP and GRO stacks can build big TCP packets with an added
temporary Hop By Hop header.

Is GSO is not involved, then the temporary header needs to be removed in
the driver. This patch provides a generic helper for drivers that need
to modify their headers in place.

Tested:
Compiled and ran with ethtool -K eth1 tso off
Could send Big TCP packets

Signed-off-by: Coco Li <lixiaoyan@google.com>
Link: https://lore.kernel.org/r/20221210041646.3587757-1-lixiaoyan@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 15:41:44 -08:00
Linus Torvalds
bf57ae2165 Scheduler changes for v6.2:
- Implement persistent user-requested affinity: introduce affinity_context::user_mask
    and unconditionally preserve the user-requested CPU affinity masks, for long-lived
    tasks to better interact with cpusets & CPU hotplug events over longer timespans,
    without destroying the original affinity intent if the underlying topology changes.
 
  - Uclamp updates: fix relationship between uclamp and fits_capacity()
 
  - PSI fixes
 
  - Misc fixes & updates.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:

 - Implement persistent user-requested affinity: introduce
   affinity_context::user_mask and unconditionally preserve the
   user-requested CPU affinity masks, for long-lived tasks to better
   interact with cpusets & CPU hotplug events over longer timespans,
   without destroying the original affinity intent if the underlying
   topology changes.

 - Uclamp updates: fix relationship between uclamp and fits_capacity()

 - PSI fixes

 - Misc fixes & updates

* tag 'sched-core-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Clear ttwu_pending after enqueue_task()
  sched/psi: Use task->psi_flags to clear in CPU migration
  sched/psi: Stop relying on timer_pending() for poll_work rescheduling
  sched/psi: Fix avgs_work re-arm in psi_avgs_work()
  sched/psi: Fix possible missing or delayed pending event
  sched: Always clear user_cpus_ptr in do_set_cpus_allowed()
  sched: Enforce user requested affinity
  sched: Always preserve the user requested cpumask
  sched: Introduce affinity_context
  sched: Add __releases annotations to affine_move_task()
  sched/fair: Check if prev_cpu has highest spare cap in feec()
  sched/fair: Consider capacity inversion in util_fits_cpu()
  sched/fair: Detect capacity inversion
  sched/uclamp: Cater for uclamp in find_energy_efficient_cpu()'s early exit condition
  sched/uclamp: Make cpu_overutilized() use util_fits_cpu()
  sched/uclamp: Make asym_fits_capacity() use util_fits_cpu()
  sched/uclamp: Make select_idle_capacity() use util_fits_cpu()
  sched/uclamp: Fix fits_capacity() check in feec()
  sched/uclamp: Make task_fits_capacity() use util_fits_cpu()
  sched/uclamp: Fix relationship between uclamp and migration margin
2022-12-12 15:33:42 -08:00
Ido Schimmel
1d7b66a7d9 bridge: mcast: Allow user space to specify MDB entry routing protocol
Add the 'MDBE_ATTR_RTPORT' attribute to allow user space to specify the
routing protocol of the MDB port group entry. Enforce a minimum value of
'RTPROT_STATIC' to prevent user space from using protocol values that
should only be set by the kernel (e.g., 'RTPROT_KERNEL'). Maintain
backward compatibility by defaulting to 'RTPROT_STATIC'.

The protocol is already visible to user space in RTM_NEWMDB responses
and notifications via the 'MDBA_MDB_EATTR_RTPROT' attribute.

The routing protocol allows a routing daemon to distinguish between
entries configured by it and those configured by the administrator. Once
MDB flush is supported, the protocol can be used as a criterion
according to which the flush is performed.

Examples:

 # bridge mdb add dev br0 port dummy10 grp 239.1.1.1 permanent proto kernel
 Error: integer out of range.

 # bridge mdb add dev br0 port dummy10 grp 239.1.1.1 permanent proto static

 # bridge mdb add dev br0 port dummy10 grp 239.1.1.1 src 192.0.2.1 permanent proto zebra

 # bridge mdb add dev br0 port dummy10 grp 239.1.1.2 permanent source_list 198.51.100.1,198.51.100.2 filter_mode include proto 250

 # bridge -d mdb show
 dev br0 port dummy10 grp 239.1.1.2 src 198.51.100.2 permanent filter_mode include proto 250
 dev br0 port dummy10 grp 239.1.1.2 src 198.51.100.1 permanent filter_mode include proto 250
 dev br0 port dummy10 grp 239.1.1.2 permanent filter_mode include source_list 198.51.100.2/0.00,198.51.100.1/0.00 proto 250
 dev br0 port dummy10 grp 239.1.1.1 src 192.0.2.1 permanent filter_mode include proto zebra
 dev br0 port dummy10 grp 239.1.1.1 permanent filter_mode exclude proto static

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 15:33:37 -08:00
Ido Schimmel
6afaae6d12 bridge: mcast: Allow user space to add (*, G) with a source list and filter mode
Add new netlink attributes to the RTM_NEWMDB request that allow user
space to add (*, G) with a source list and filter mode.

The RTM_NEWMDB message can already dump such entries (created by the
kernel) so there is no need to add dump support. However, the message
contains a different set of attributes depending if it is a request or a
response. The naming and structure of the new attributes try to follow
the existing ones used in the response.

Request:

[ struct nlmsghdr ]
[ struct br_port_msg ]
[ MDBA_SET_ENTRY ]
	struct br_mdb_entry
[ MDBA_SET_ENTRY_ATTRS ]
	[ MDBE_ATTR_SOURCE ]
		struct in_addr / struct in6_addr
	[ MDBE_ATTR_SRC_LIST ]		// new
		[ MDBE_SRC_LIST_ENTRY ]
			[ MDBE_SRCATTR_ADDRESS ]
				struct in_addr / struct in6_addr
		[ ...]
	[ MDBE_ATTR_GROUP_MODE ]	// new
		u8

Response:

[ struct nlmsghdr ]
[ struct br_port_msg ]
[ MDBA_MDB ]
	[ MDBA_MDB_ENTRY ]
		[ MDBA_MDB_ENTRY_INFO ]
			struct br_mdb_entry
		[ MDBA_MDB_EATTR_TIMER ]
			u32
		[ MDBA_MDB_EATTR_SOURCE ]
			struct in_addr / struct in6_addr
		[ MDBA_MDB_EATTR_RTPROT ]
			u8
		[ MDBA_MDB_EATTR_SRC_LIST ]
			[ MDBA_MDB_SRCLIST_ENTRY ]
				[ MDBA_MDB_SRCATTR_ADDRESS ]
					struct in_addr / struct in6_addr
				[ MDBA_MDB_SRCATTR_TIMER ]
					u8
			[...]
		[ MDBA_MDB_EATTR_GROUP_MODE ]
			u8

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 15:33:37 -08:00
Linus Torvalds
add7695957 Perf events updates for v6.2:
- Thoroughly rewrite the data structures that implement perf task context handling,
    with the goal of fixing various quirks and unfeatures both in already merged,
    and in upcoming proposed code.
 
    The old data structure is the per task and per cpu perf_event_contexts:
 
          task_struct::perf_events_ctxp[] <-> perf_event_context <-> perf_cpu_context
               ^                                 |    ^     |           ^
               `---------------------------------'    |     `--> pmu ---'
                                                      v           ^
                                                 perf_event ------'
 
    In this new design this is replaced with a single task context and
    a single CPU context, plus intermediate data-structures:
 
          task_struct::perf_event_ctxp -> perf_event_context <- perf_cpu_context
               ^                           |   ^ ^
               `---------------------------'   | |
                                               | |    perf_cpu_pmu_context <--.
                                               | `----.    ^                  |
                                               |      |    |                  |
                                               |      v    v                  |
                                               | ,--> perf_event_pmu_context  |
                                               | |                            |
                                               | |                            |
                                               v v                            |
                                          perf_event ---> pmu ----------------'
 
    [ See commit bd27568117 for more details. ]
 
    This rewrite was developed by Peter Zijlstra and Ravi Bangoria.
 
  - Optimize perf_tp_event()
 
  - Update the Intel uncore PMU driver, extending it with UPI topology discovery
    on various hardware models.
 
  - Misc fixes & cleanups
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf events updates from Ingo Molnar:

 - Thoroughly rewrite the data structures that implement perf task
   context handling, with the goal of fixing various quirks and
   unfeatures both in already merged, and in upcoming proposed code.

   The old data structure is the per task and per cpu
   perf_event_contexts:

         task_struct::perf_events_ctxp[] <-> perf_event_context <-> perf_cpu_context
              ^                                 |    ^     |           ^
              `---------------------------------'    |     `--> pmu ---'
                                                     v           ^
                                                perf_event ------'

   In this new design this is replaced with a single task context and a
   single CPU context, plus intermediate data-structures:

         task_struct::perf_event_ctxp -> perf_event_context <- perf_cpu_context
              ^                           |   ^ ^
              `---------------------------'   | |
                                              | |    perf_cpu_pmu_context <--.
                                              | `----.    ^                  |
                                              |      |    |                  |
                                              |      v    v                  |
                                              | ,--> perf_event_pmu_context  |
                                              | |                            |
                                              | |                            |
                                              v v                            |
                                         perf_event ---> pmu ----------------'

   [ See commit bd27568117 for more details. ]

   This rewrite was developed by Peter Zijlstra and Ravi Bangoria.

 - Optimize perf_tp_event()

 - Update the Intel uncore PMU driver, extending it with UPI topology
   discovery on various hardware models.

 - Misc fixes & cleanups

* tag 'perf-core-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
  perf/x86/intel/uncore: Fix reference count leak in __uncore_imc_init_box()
  perf/x86/intel/uncore: Fix reference count leak in snr_uncore_mmio_map()
  perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()
  perf/x86/intel/uncore: Fix reference count leak in sad_cfg_iio_topology()
  perf/x86/intel/uncore: Make set_mapping() procedure void
  perf/x86/intel/uncore: Update sysfs-devices-mapping file
  perf/x86/intel/uncore: Enable UPI topology discovery for Sapphire Rapids
  perf/x86/intel/uncore: Enable UPI topology discovery for Icelake Server
  perf/x86/intel/uncore: Get UPI NodeID and GroupID
  perf/x86/intel/uncore: Enable UPI topology discovery for Skylake Server
  perf/x86/intel/uncore: Generalize get_topology() for SKX PMUs
  perf/x86/intel/uncore: Disable I/O stacks to PMU mapping on ICX-D
  perf/x86/intel/uncore: Clear attr_update properly
  perf/x86/intel/uncore: Introduce UPI topology type
  perf/x86/intel/uncore: Generalize IIO topology support
  perf/core: Don't allow grouping events from different hw pmus
  perf/amd/ibs: Make IBS a core pmu
  perf: Fix function pointer case
  perf/x86/amd: Remove the repeated declaration
  perf: Fix possible memleak in pmu_dev_alloc()
  ...
2022-12-12 15:19:38 -08:00
Xin Long
8a321cf7be net: add IFF_NO_ADDRCONF and use it in bonding to prevent ipv6 addrconf
Currently, in bonding it reused the IFF_SLAVE flag and checked it
in ipv6 addrconf to prevent ipv6 addrconf.

However, it is not a proper flag to use for no ipv6 addrconf, for
bonding it has to move IFF_SLAVE flag setting ahead of dev_open()
in bond_enslave(). Also, IFF_MASTER/SLAVE are historical flags
used in bonding and eql, as Jiri mentioned, the new devices like
Team, Failover do not use this flag.

So as Jiri suggested, this patch adds IFF_NO_ADDRCONF in priv_flags
of the device to indicate no ipv6 addconf, and uses it in bonding
and moves IFF_SLAVE flag setting back to its original place.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 15:18:25 -08:00
Yunsheng Lin
d7b061b80e net: tso: inline tso_count_descs()
tso_count_descs() is a small function doing simple calculation,
and tso_count_descs() is used in fast path, so inline it to
reduce the overhead of calls.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Link: https://lore.kernel.org/r/20221212032426.16050-1-linyunsheng@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 15:04:39 -08:00
Jaegeuk Kim
71644dff48 f2fs: add block_age-based extent cache
This patch introduces a runtime hot/cold data separation method
for f2fs, in order to improve the accuracy for data temperature
classification, reduce the garbage collection overhead after
long-term data updates.

Enhanced hot/cold data separation can record data block update
frequency as "age" of the extent per inode, and take use of the age
info to indicate better temperature type for data block allocation:
 - It records total data blocks allocated since mount;
 - When file extent has been updated, it calculate the count of data
blocks allocated since last update as the age of the extent;
 - Before the data block allocated, it searches for the age info and
chooses the suitable segment for allocation.

Test and result:
 - Prepare: create about 30000 files
  * 3% for cold files (with cold file extension like .apk, from 3M to 10M)
  * 50% for warm files (with random file extension like .FcDxq, from 1K
to 4M)
  * 47% for hot files (with hot file extension like .db, from 1K to 256K)
 - create(5%)/random update(90%)/delete(5%) the files
  * total write amount is about 70G
  * fsync will be called for .db files, and buffered write will be used
for other files

The storage of test device is large enough(128G) so that it will not
switch to SSR mode during the test.

Benefit: dirty segment count increment reduce about 14%
 - before: Dirty +21110
 - after:  Dirty +18286

Signed-off-by: qixiaoyu1 <qixiaoyu1@xiaomi.com>
Signed-off-by: xiongping1 <xiongping1@xiaomi.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2022-12-12 14:53:56 -08:00
Jaegeuk Kim
e7547daccd f2fs: refactor extent_cache to support for read and more
This patch prepares extent_cache to be ready for addition.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2022-12-12 14:53:56 -08:00
Jakub Kicinski
4cc58a087d bluetooth-next pull request for net-next:
- Add a new VID/PID 0489/e0f2 for MT7922
  - Add Realtek RTL8852BE support ID 0x0cb8:0xc559
  - Add a new PID/VID 13d3/3549 for RTL8822CU
  - Add support for broadcom BCM43430A0 & BCM43430A1
  - Add CONFIG_BT_HCIBTUSB_POLL_SYNC
  - Add CONFIG_BT_LE_L2CAP_ECRED
  - Add support for CYW4373A0
  - Add support for RTL8723DS
  - Add more device IDs for WCN6855
  - Add Broadcom BCM4377 family PCIe Bluetooth
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Merge tag 'for-net-next-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Luiz Augusto von Dentz says:

====================
bluetooth-next pull request for net-next:

 - Add a new VID/PID 0489/e0f2 for MT7922
 - Add Realtek RTL8852BE support ID 0x0cb8:0xc559
 - Add a new PID/VID 13d3/3549 for RTL8822CU
 - Add support for broadcom BCM43430A0 & BCM43430A1
 - Add CONFIG_BT_HCIBTUSB_POLL_SYNC
 - Add CONFIG_BT_LE_L2CAP_ECRED
 - Add support for CYW4373A0
 - Add support for RTL8723DS
 - Add more device IDs for WCN6855
 - Add Broadcom BCM4377 family PCIe Bluetooth

* tag 'for-net-next-2022-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (51 commits)
  Bluetooth: Wait for HCI_OP_WRITE_AUTH_PAYLOAD_TO to complete
  Bluetooth: ISO: Avoid circular locking dependency
  Bluetooth: RFCOMM: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_core: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_bcsp: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_h5: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_ll: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: hci_qca: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: btusb: don't call kfree_skb() under spin_lock_irqsave()
  Bluetooth: btintel: Fix missing free skb in btintel_setup_combined()
  Bluetooth: hci_conn: Fix crash on hci_create_cis_sync
  Bluetooth: btintel: Fix existing sparce warnings
  Bluetooth: btusb: Fix existing sparce warning
  Bluetooth: btusb: Fix new sparce warnings
  Bluetooth: btusb: Add a new PID/VID 13d3/3549 for RTL8822CU
  Bluetooth: btusb: Add Realtek RTL8852BE support ID 0x0cb8:0xc559
  dt-bindings: net: realtek-bluetooth: Add RTL8723DS
  Bluetooth: btusb: Add a new VID/PID 0489/e0f2 for MT7922
  dt-bindings: bluetooth: broadcom: add BCM43430A0 & BCM43430A1
  Bluetooth: hci_bcm4377: Fix missing pci_disable_device() on error in bcm4377_probe()
  ...
====================

Link: https://lore.kernel.org/r/20221212222322.1690780-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 14:51:29 -08:00
Linus Torvalds
7adcadb984 - Make ghes_edac a simple module like the rest of the EDAC drivers and
drop this forced built-in only configuration by disentangling it from
 GHES. Work by Jia He.
 
 - The usual small cleanups and improvements all over EDAC land
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Merge tag 'edac_updates_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

Pull EDAC updates from Borislav Petkov:

 - Make ghes_edac a simple module like the rest of the EDAC drivers and
   drop the forced built-in only configuration by disentangling it from
   GHES (Jia He)

 - The usual small cleanups and improvements all over EDAC land

* tag 'edac_updates_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper()
  EDAC/i5400: Fix typo in comment: vaious -> various
  EDAC/mc_sysfs: Increase legacy channel support to 12
  MAINTAINERS: Make Mauro EDAC reviewer
  MAINTAINERS: Make Manivannan Sadhasivam the maintainer of qcom_edac
  EDAC/igen6: Return the correct error type when not the MC owner
  apei/ghes: Use xchg_release() for updating new cache slot instead of cmpxchg()
  EDAC: Check for GHES preference in the chipset-specific EDAC drivers
  EDAC/ghes: Make ghes_edac a proper module
  EDAC/ghes: Prepare to make ghes_edac a proper module
  EDAC/ghes: Add a notifier for reporting memory errors
  efi/cper: Export several helpers for ghes_edac to use
  EDAC/i5000: Mark as BROKEN
2022-12-12 14:47:31 -08:00
Jakub Kicinski
95d1815f09 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Pablo Neira Ayuso says:

====================
Netfilter/IPVS updates for net-next

1) Incorrect error check in nft_expr_inner_parse(), from Dan Carpenter.

2) Add DATA_SENT state to SCTP connection tracking helper, from
   Sriram Yagnaraman.

3) Consolidate nf_confirm for ipv4 and ipv6, from Florian Westphal.

4) Add bitmask support for ipset, from Vishwanath Pai.

5) Handle icmpv6 redirects as RELATED, from Florian Westphal.

6) Add WARN_ON_ONCE() to impossible case in flowtable datapath,
   from Li Qiong.

7) A large batch of IPVS updates to replace timer-based estimators by
   kthreads to scale up wrt. CPUs and workload (millions of estimators).

Julian Anastasov says:

	This patchset implements stats estimation in kthread context.
It replaces the code that runs on single CPU in timer context every 2
seconds and causing latency splats as shown in reports [1], [2], [3].
The solution targets setups with thousands of IPVS services,
destinations and multi-CPU boxes.

	Spread the estimation on multiple (configured) CPUs and multiple
time slots (timer ticks) by using multiple chains organized under RCU
rules.  When stats are not needed, it is recommended to use
run_estimation=0 as already implemented before this change.

RCU Locking:

- As stats are now RCU-locked, tot_stats, svc and dest which
hold estimator structures are now always freed from RCU
callback. This ensures RCU grace period after the
ip_vs_stop_estimator() call.

Kthread data:

- every kthread works over its own data structure and all
such structures are attached to array. For now we limit
kthreads depending on the number of CPUs.

- even while there can be a kthread structure, its task
may not be running, eg. before first service is added or
while the sysctl var is set to an empty cpulist or
when run_estimation is set to 0 to disable the estimation.

- the allocated kthread context may grow from 1 to 50
allocated structures for timer ticks which saves memory for
setups with small number of estimators

- a task and its structure may be released if all
estimators are unlinked from its chains, leaving the
slot in the array empty

- every kthread data structure allows limited number
of estimators. Kthread 0 is also used to initially
calculate the max number of estimators to allow in every
chain considering a sub-100 microsecond cond_resched
rate. This number can be from 1 to hundreds.

- kthread 0 has an additional job of optimizing the
adding of estimators: they are first added in
temp list (est_temp_list) and later kthread 0
distributes them to other kthreads. The optimization
is based on the fact that newly added estimator
should be estimated after 2 seconds, so we have the
time to offload the adding to chain from controlling
process to kthread 0.

- to add new estimators we use the last added kthread
context (est_add_ktid). The new estimators are linked to
the chains just before the estimated one, based on add_row.
This ensures their estimation will start after 2 seconds.
If estimators are added in bursts, common case if all
services and dests are initially configured, we may
spread the estimators to more chains and as result,
reducing the initial delay below 2 seconds.

Many thanks to Jiri Wiesner for his valuable comments
and for spending a lot of time reviewing and testing
the changes on different platforms with 48-256 CPUs and
1-8 NUMA nodes under different cpufreq governors.

The new IPVS estimators do not use workqueue infrastructure
because:

- The estimation can take long time when using multiple IPVS rules (eg.
  millions estimator structures) and especially when box has multiple
  CPUs due to the for_each_possible_cpu usage that expects packets from
  any CPU. With est_nice sysctl we have more control how to prioritize the
  estimation kthreads compared to other processes/kthreads that have
  latency requirements (such as servers). As a benefit, we can see these
  kthreads in top and decide if we will need some further control to limit
  their CPU usage (max number of structure to estimate per kthread).

- with kthreads we run code that is read-mostly, no write/lock
  operations to process the estimators in 2-second intervals.

- work items are one-shot: as estimators are processed every
  2 seconds, they need to be re-added every time. This again
  loads the timers (add_timer) if we use delayed works, as there are
  no kthreads to do the timings.

[1] Report from Yunhong Jiang:
    https://lore.kernel.org/netdev/D25792C1-1B89-45DE-9F10-EC350DC04ADC@gmail.com/
[2] https://marc.info/?l=linux-virtual-server&m=159679809118027&w=2
[3] Report from Dust:
    https://archive.linuxvirtualserver.org/html/lvs-devel/2020-12/msg00000.html

* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
  ipvs: run_estimation should control the kthread tasks
  ipvs: add est_cpulist and est_nice sysctl vars
  ipvs: use kthreads for stats estimation
  ipvs: use u64_stats_t for the per-cpu counters
  ipvs: use common functions for stats allocation
  ipvs: add rcu protection to stats
  netfilter: flowtable: add a 'default' case to flowtable datapath
  netfilter: conntrack: set icmpv6 redirects as RELATED
  netfilter: ipset: Add support for new bitmask parameter
  netfilter: conntrack: merge ipv4+ipv6 confirm functions
  netfilter: conntrack: add sctp DATA_SENT state
  netfilter: nft_inner: fix IS_ERR() vs NULL check
====================

Link: https://lore.kernel.org/r/20221211101204.1751-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 14:45:36 -08:00
Linus Torvalds
287f037db5 Minor cleanups:
* Remove unnecessary arch_has_empty_bitmaps structure memory
  * Move rescrtl MSR defines into msr-index.h, like normal MSRs
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Merge tag 'x86_cache_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cache resource control updates from Dave Hansen:
 "These declare the resource control (rectrl) MSRs a bit more normally
  and clean up an unnecessary structure member:

   - Remove unnecessary arch_has_empty_bitmaps structure memory

   - Move rescrtl MSR defines into msr-index.h, like normal MSRs"

* tag 'x86_cache_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/resctrl: Move MSR defines into msr-index.h
  x86/resctrl: Remove arch_has_empty_bitmaps
2022-12-12 14:30:54 -08:00
Linus Torvalds
a89ef2aa55 Add TDX guest attestation infrastructure and driver
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Merge tag 'x86_tdx_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 tdx updates from Dave Hansen:
 "This includes a single chunk of new functionality for TDX guests which
  allows them to talk to the trusted TDX module software and obtain an
  attestation report.

  This report can then be used to prove the trustworthiness of the guest
  to a third party and get access to things like storage encryption
  keys"

* tag 'x86_tdx_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  selftests/tdx: Test TDX attestation GetReport support
  virt: Add TDX guest driver
  x86/tdx: Add a wrapper to get TDREPORT0 from the TDX Module
2022-12-12 14:27:49 -08:00
Sven Peter
ffcb0a445e Bluetooth: Add quirk to disable MWS Transport Configuration
Broadcom 4378/4387 controllers found in Apple Silicon Macs claim to
support getting MWS Transport Layer Configuration,

< HCI Command: Read Local Supported... (0x04|0x0002) plen 0
> HCI Event: Command Complete (0x0e) plen 68
      Read Local Supported Commands (0x04|0x0002) ncmd 1
        Status: Success (0x00)
[...]
          Get MWS Transport Layer Configuration (Octet 30 - Bit 3)]
[...]

, but then don't actually allow the required command:

> HCI Event: Command Complete (0x0e) plen 15
      Get MWS Transport Layer Configuration (0x05|0x000c) ncmd 1
        Status: Command Disallowed (0x0c)
        Number of transports: 0
        Baud rate list: 0 entries
        00 00 00 00 00 00 00 00 00 00

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-12-12 14:19:24 -08:00
Sven Peter
392fca352c Bluetooth: Add quirk to disable extended scanning
Broadcom 4377 controllers found in Apple x86 Macs with the T2 chip
claim to support extended scanning when querying supported states,

< HCI Command: LE Read Supported St.. (0x08|0x001c) plen 0
> HCI Event: Command Complete (0x0e) plen 12
      LE Read Supported States (0x08|0x001c) ncmd 1
        Status: Success (0x00)
        States: 0x000003ffffffffff
[...]
          LE Set Extended Scan Parameters (Octet 37 - Bit 5)
          LE Set Extended Scan Enable (Octet 37 - Bit 6)
[...]

, but then fail to actually implement the extended scanning:

< HCI Command: LE Set Extended Sca.. (0x08|0x0041) plen 8
        Own address type: Random (0x01)
        Filter policy: Accept all advertisement (0x00)
        PHYs: 0x01
        Entry 0: LE 1M
          Type: Active (0x01)
          Interval: 11.250 msec (0x0012)
          Window: 11.250 msec (0x0012)
> HCI Event: Command Complete (0x0e) plen 4
      LE Set Extended Scan Parameters (0x08|0x0041) ncmd 1
        Status: Unknown HCI Command (0x01)

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-12-12 14:19:24 -08:00
Sven Peter
ad38e55e1c Bluetooth: hci_event: Ignore reserved bits in LE Extended Adv Report
Broadcom controllers present on Apple Silicon devices use the upper
8 bits of the event type in the LE Extended Advertising Report for
the channel on which the frame has been received.
These bits are reserved according to the Bluetooth spec anyway such that
we can just drop them to ensure that the advertising results are parsed
correctly.

The following excerpt from a btmon trace shows a report received on
channel 37 by these controllers:

> HCI Event: LE Meta Event (0x3e) plen 55
      LE Extended Advertising Report (0x0d)
        Num reports: 1
        Entry 0
          Event type: 0x2513
            Props: 0x0013
              Connectable
              Scannable
              Use legacy advertising PDUs
            Data status: Complete
            Reserved (0x2500)
          Legacy PDU Type: Reserved (0x2513)
          Address type: Public (0x00)
          Address: XX:XX:XX:XX:XX:XX (Shenzhen Jingxun Software [...])
          Primary PHY: LE 1M
          Secondary PHY: No packets
          SID: no ADI field (0xff)
          TX power: 127 dBm
          RSSI: -76 dBm (0xb4)
          Periodic advertising interval: 0.00 msec (0x0000)
          Direct address type: Public (0x00)
          Direct address: 00:00:00:00:00:00 (OUI 00-00-00)
          Data length: 0x1d
          [...]
        Flags: 0x18
          Simultaneous LE and BR/EDR (Controller)
          Simultaneous LE and BR/EDR (Host)
        Company: Harman International Industries, Inc. (87)
          Data: [...]
        Service Data (UUID 0xfddf):
        Name (complete): JBL Flip 5

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-12-12 14:19:24 -08:00
Igor Skalkin
47c50853bb virtio_bt: Fix alignment in configuration struct
The current version of the configuration structure has unaligned
16-bit fields, but according to the specification [1], access to
the configuration space must be aligned.

Add a second, aligned  version of the configuration structure
and a new feature bit indicating that this version is being used.

[1] https://docs.oasis-open.org/virtio/virtio/v1.1/virtio-v1.1.pdf

Signed-off-by: Igor Skalkin <Igor.Skalkin@opensynergy.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-12-12 14:19:23 -08:00
Archie Pusaka
c9209b269a Bluetooth: btusb: Introduce generic USB reset
On cmd_timeout with no reset_gpio, reset the USB port as a last
resort.

This patch changes the behavior of btusb_intel_cmd_timeout and
btusb_rtl_cmd_timeout.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@google.com>
Reviewed-by: Ying Hsu <yinghsu@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-12-12 14:19:23 -08:00
Linus Torvalds
c1f0fcd85d cxl for 6.2
- Add the cpu_cache_invalidate_memregion() API for cache flushing in
   response to physical memory reconfiguration, or memory-side data
   invalidation from operations like secure erase or memory-device unlock.
 
 - Add a facility for the kernel to warn about collisions between kernel
   and userspace access to PCI configuration registers
 
 - Add support for Restricted CXL Host (RCH) topologies (formerly CXL 1.1)
 
 - Add handling and reporting of CXL errors reported via the PCIe AER
   mechanism
 
 - Add support for CXL Persistent Memory Security commands
 
 - Add support for the "XOR" algorithm for CXL host bridge interleave
 
 - Rework / simplify CXL to NVDIMM interactions
 
 - Miscellaneous cleanups and fixes
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Merge tag 'cxl-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull cxl updates from Dan Williams:
 "Compute Express Link (CXL) updates for 6.2.

  While it may seem backwards, the CXL update this time around includes
  some focus on CXL 1.x enabling where the work to date had been with
  CXL 2.0 (VH topologies) in mind.

  First generation CXL can mostly be supported via BIOS, similar to DDR,
  however it became clear there are use cases for OS native CXL error
  handling and some CXL 3.0 endpoint features can be deployed on CXL 1.x
  hosts (Restricted CXL Host (RCH) topologies). So, this update brings
  RCH topologies into the Linux CXL device model.

  In support of the ongoing CXL 2.0+ enabling two new core kernel
  facilities are added.

  One is the ability for the kernel to flag collisions between userspace
  access to PCI configuration registers and kernel accesses. This is
  brought on by the PCIe Data-Object-Exchange (DOE) facility, a hardware
  mailbox over config-cycles.

  The other is a cpu_cache_invalidate_memregion() API that maps to
  wbinvd_on_all_cpus() on x86. To prevent abuse it is disabled in guest
  VMs and architectures that do not support it yet. The CXL paths that
  need it, dynamic memory region creation and security commands (erase /
  unlock), are disabled when it is not present.

  As for the CXL 2.0+ this cycle the subsystem gains support Persistent
  Memory Security commands, error handling in response to PCIe AER
  notifications, and support for the "XOR" host bridge interleave
  algorithm.

  Summary:

   - Add the cpu_cache_invalidate_memregion() API for cache flushing in
     response to physical memory reconfiguration, or memory-side data
     invalidation from operations like secure erase or memory-device
     unlock.

   - Add a facility for the kernel to warn about collisions between
     kernel and userspace access to PCI configuration registers

   - Add support for Restricted CXL Host (RCH) topologies (formerly CXL
     1.1)

   - Add handling and reporting of CXL errors reported via the PCIe AER
     mechanism

   - Add support for CXL Persistent Memory Security commands

   - Add support for the "XOR" algorithm for CXL host bridge interleave

   - Rework / simplify CXL to NVDIMM interactions

   - Miscellaneous cleanups and fixes"

* tag 'cxl-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (71 commits)
  cxl/region: Fix memdev reuse check
  cxl/pci: Remove endian confusion
  cxl/pci: Add some type-safety to the AER trace points
  cxl/security: Drop security command ioctl uapi
  cxl/mbox: Add variable output size validation for internal commands
  cxl/mbox: Enable cxl_mbox_send_cmd() users to validate output size
  cxl/security: Fix Get Security State output payload endian handling
  cxl: update names for interleave ways conversion macros
  cxl: update names for interleave granularity conversion macros
  cxl/acpi: Warn about an invalid CHBCR in an existing CHBS entry
  tools/testing/cxl: Require cache invalidation bypass
  cxl/acpi: Fail decoder add if CXIMS for HBIG is missing
  cxl/region: Fix spelling mistake "memergion" -> "memregion"
  cxl/regs: Fix sparse warning
  cxl/acpi: Set ACPI's CXL _OSC to indicate RCD mode support
  tools/testing/cxl: Add an RCH topology
  cxl/port: Add RCD endpoint port enumeration
  cxl/mem: Move devm_cxl_add_endpoint() from cxl_core to cxl_mem
  tools/testing/cxl: Add XOR Math support to cxl_test
  cxl/acpi: Support CXL XOR Interleave Math (CXIMS)
  ...
2022-12-12 13:55:31 -08:00
Linus Torvalds
691806e977 Thermal control updates for 6.2-rc1
- Fix race conditions related to thermal device operations that are not
    protected against thermal device removal (Guenter Roeck).
 
  - Fix error code in __thermal_cooling_device_register() (Dan Carpenter).
 
  - Validate new cooling device state (coming from user space) in
    cur_state_store() and reuse the max_state value from cooling device
    structure in the sysfs interface (Viresh Kumar).
 
  - Fix some possible name leaks in error paths in the thermal control
    core code (Yang Yingliang).
 
  - Detect TCC lock bit set in the intel_tcc_cooling driver and make it
    refuse to update the TCC offset in that case (Zhang Rui).
 
  - Add TCC cooling support for RaptorLake-S (Zhang Rui).
 
  - Prevent accidental clearing of HFI status by one of the other
    drivers using the same status register (Srinivas Pandruvada).
 
  - Protect clearing of thermal status bits in Intel thermal control
    drivers (Srinivas Pandruvada).
 
  - Allow the HFI thermal control driver to ACK an HFI event for the
    previously observed timestamp (Srinivas Pandruvada).
 
  - Remove a pointless die_id check from the HFI thermal driver and
    adjust the definition a data structure used by it (Ricardo Neri).
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Merge tag 'thermal-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "These include thermal core fixes to protect thermal device operations
  against thermal device removal, other thermal core fixes and updates
  of Intel thermal control drivers.

  Specifics:

   - Fix race conditions related to thermal device operations that are
     not protected against thermal device removal (Guenter Roeck)

   - Fix error code in __thermal_cooling_device_register() (Dan
     Carpenter)

   - Validate new cooling device state (coming from user space) in
     cur_state_store() and reuse the max_state value from cooling device
     structure in the sysfs interface (Viresh Kumar)

   - Fix some possible name leaks in error paths in the thermal control
     core code (Yang Yingliang)

   - Detect TCC lock bit set in the intel_tcc_cooling driver and make it
     refuse to update the TCC offset in that case (Zhang Rui)

   - Add TCC cooling support for RaptorLake-S (Zhang Rui)

   - Prevent accidental clearing of HFI status by one of the other
     drivers using the same status register (Srinivas Pandruvada)

   - Protect clearing of thermal status bits in Intel thermal control
     drivers (Srinivas Pandruvada)

   - Allow the HFI thermal control driver to ACK an HFI event for the
     previously observed timestamp (Srinivas Pandruvada)

   - Remove a pointless die_id check from the HFI thermal driver and
     adjust the definition a data structure used by it (Ricardo Neri)"

* tag 'thermal-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: intel: hfi: Remove a pointless die_id check
  thermal: core: fix some possible name leaks in error paths
  thermal: intel: hfi: ACK HFI for the same timestamp
  thermal: intel: Protect clearing of thermal status bits
  thermal: intel: Prevent accidental clearing of HFI status
  thermal/core: Protect thermal device operations against thermal device removal
  thermal/core: Remove thermal_zone_set_trips()
  thermal/core: Protect sysfs accesses to thermal operations with thermal zone mutex
  thermal/core: Protect hwmon accesses to thermal operations with thermal zone mutex
  thermal/core: Introduce locked version of thermal_zone_device_update
  thermal/core: Move parameter validation from __thermal_zone_get_temp to thermal_zone_get_temp
  thermal/core: Ensure that thermal device is registered in thermal_zone_get_temp
  thermal/core: Delete device under thermal device zone lock
  thermal/core: Destroy thermal zone device mutex in release function
  thermal: intel: intel_tcc_cooling: Add TCC cooling support for RaptorLake-S
  thermal: intel: intel_tcc_cooling: Detect TCC lock bit
  thermal: intel: hfi: Improve the type of hfi_features::nr_table_pages
  thermal/core: fix error code in __thermal_cooling_device_register()
  thermal: sysfs: Reuse cdev->max_state
  thermal: Validate new state in cur_state_store()
2022-12-12 13:45:21 -08:00
Linus Torvalds
456ed864fd ACPI updates for 6.2-rc1
- Update the ACPICA code in the kernel to the 20221020 upstream
    version and fix a couple of issues in it:
 
    * Make acpi_ex_load_op() match upstream implementation (Rafael
      Wysocki).
    * Add support for loong_arch-specific APICs in MADT (Huacai Chen).
    * Add support for fixed PCIe wake event (Huacai Chen).
    * Add EBDA pointer sanity checks (Vit Kabele).
    * Avoid accessing VGA memory when EBDA < 1KiB (Vit Kabele).
    * Add CCEL table support to both compiler/disassembler (Kuppuswamy
      Sathyanarayanan).
    * Add a couple of new UUIDs to the known UUID list (Bob Moore).
    * Add support for FFH Opregion special context data (Sudeep Holla).
    * Improve warning message for "invalid ACPI name" (Bob Moore).
    * Add support for CXL 3.0 structures (CXIMS & RDPAS) in the CEDT
      table (Alison Schofield).
    * Prepare IORT support for revision E.e (Robin Murphy).
    * Finish support for the CDAT table (Bob Moore).
    * Fix error code path in acpi_ds_call_control_method() (Rafael
      Wysocki).
    * Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage() (Li
      Zetao).
    * Update the version of the ACPICA code in the kernel (Bob Moore).
 
  - Use ZERO_PAGE(0) instead of empty_zero_page in the ACPI device
    enumeration code (Giulio Benetti).
 
  - Change the return type of the ACPI driver remove callback to void and
    update its users accordingly (Dawei Li).
 
  - Add general support for FFH address space type and implement the low-
    level part of it for ARM64 (Sudeep Holla).
 
  - Fix stale comments in the ACPI tables parsing code and make it print
    more messages related to MADT (Hanjun Guo, Huacai Chen).
 
  - Replace invocations of generic library functions with more kernel-
    specific counterparts in the ACPI sysfs interface (Christophe JAILLET,
    Xu Panda).
 
  - Print full name paths of ACPI power resource objects during
    enumeration (Kane Chen).
 
  - Eliminate a compiler warning regarding a missing function prototype
    in the ACPI power management code (Sudeep Holla).
 
  - Fix and clean up the ACPI processor driver (Rafael Wysocki, Li Zhong,
    Colin Ian King, Sudeep Holla).
 
  - Add quirk for the HP Pavilion Gaming 15-cx0041ur to the ACPI EC
    driver (Mia Kanashi).
 
  - Add some mew ACPI backlight handling quirks and update some existing
    ones (Hans de Goede).
 
  - Make the ACPI backlight driver prefer the native backlight control
    over vendor backlight control when possible (Hans de Goede).
 
  - Drop unsetting ACPI APEI driver data on remove (Uwe Kleine-König).
 
  - Use xchg_release() instead of cmpxchg() for updating new GHES cache
    slots (Ard Biesheuvel).
 
  - Clean up the ACPI APEI code (Sudeep Holla, Christophe JAILLET, Jay Lu).
 
  - Add new I2C device enumeration quirks for Medion Lifetab S10346 and
    Lenovo Yoga Tab 3 Pro (YT3-X90F) (Hans de Goede).
 
  - Make the ACPI battery driver notify user space about adding new
    battery hooks and removing the existing ones (Armin Wolf).
 
  - Modify the pfr_update and pfr_telemetry drivers to use ACPI_FREE()
    for freeing acpi_object structures to help diagnostics (Wang ShaoBo).
 
  - Make the ACPI fan driver use sysfs_emit_at() in its sysfs interface
    code (ye xingchen).
 
  - Fix the _FIF package extraction failure handling in the ACPI fan
    driver (Hanjun Guo).
 
  - Fix the PCC mailbox handling error code path (Huisong Li).
 
  - Avoid using PCC Opregions if there is no platform interrupt allocated
    for this purpose (Huisong Li).
 
  - Use sysfs_emit() instead of scnprintf() in the ACPI PAD driver and
    CPPC library (ye xingchen).
 
  - Fix some kernel-doc issues in the ACPI GSI processing code (Xiongfeng
    Wang).
 
  - Fix name memory leak in pnp_alloc_dev() (Yang Yingliang).
 
  - Do not disable PNP devices on suspend when they cannot be re-enabled
    on resume (Hans de Goede).
 
  - Clean up the ACPI thermal driver a bit (Rafael Wysocki).
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Merge tag 'acpi-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI and PNP updates from Rafael Wysocki:
 "These include new code (for instance, support for the FFH address
  space type and support for new firmware data structures in ACPICA),
  some new quirks (mostly related to backlight handling and I2C
  enumeration), a number of fixes and a fair amount of cleanups all
  over.

  Specifics:

   - Update the ACPICA code in the kernel to the 20221020 upstream
     version and fix a couple of issues in it:
      - Make acpi_ex_load_op() match upstream implementation (Rafael
        Wysocki)
      - Add support for loong_arch-specific APICs in MADT (Huacai Chen)
      - Add support for fixed PCIe wake event (Huacai Chen)
      - Add EBDA pointer sanity checks (Vit Kabele)
      - Avoid accessing VGA memory when EBDA < 1KiB (Vit Kabele)
      - Add CCEL table support to both compiler/disassembler (Kuppuswamy
        Sathyanarayanan)
      - Add a couple of new UUIDs to the known UUID list (Bob Moore)
      - Add support for FFH Opregion special context data (Sudeep
        Holla)
      - Improve warning message for "invalid ACPI name" (Bob Moore)
      - Add support for CXL 3.0 structures (CXIMS & RDPAS) in the CEDT
        table (Alison Schofield)
      - Prepare IORT support for revision E.e (Robin Murphy)
      - Finish support for the CDAT table (Bob Moore)
      - Fix error code path in acpi_ds_call_control_method() (Rafael
        Wysocki)
      - Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage() (Li
        Zetao)
      - Update the version of the ACPICA code in the kernel (Bob Moore)

   - Use ZERO_PAGE(0) instead of empty_zero_page in the ACPI device
     enumeration code (Giulio Benetti)

   - Change the return type of the ACPI driver remove callback to void
     and update its users accordingly (Dawei Li)

   - Add general support for FFH address space type and implement the
     low- level part of it for ARM64 (Sudeep Holla)

   - Fix stale comments in the ACPI tables parsing code and make it
     print more messages related to MADT (Hanjun Guo, Huacai Chen)

   - Replace invocations of generic library functions with more kernel-
     specific counterparts in the ACPI sysfs interface (Christophe
     JAILLET, Xu Panda)

   - Print full name paths of ACPI power resource objects during
     enumeration (Kane Chen)

   - Eliminate a compiler warning regarding a missing function prototype
     in the ACPI power management code (Sudeep Holla)

   - Fix and clean up the ACPI processor driver (Rafael Wysocki, Li
     Zhong, Colin Ian King, Sudeep Holla)

   - Add quirk for the HP Pavilion Gaming 15-cx0041ur to the ACPI EC
     driver (Mia Kanashi)

   - Add some mew ACPI backlight handling quirks and update some
     existing ones (Hans de Goede)

   - Make the ACPI backlight driver prefer the native backlight control
     over vendor backlight control when possible (Hans de Goede)

   - Drop unsetting ACPI APEI driver data on remove (Uwe Kleine-König)

   - Use xchg_release() instead of cmpxchg() for updating new GHES cache
     slots (Ard Biesheuvel)

   - Clean up the ACPI APEI code (Sudeep Holla, Christophe JAILLET, Jay
     Lu)

   - Add new I2C device enumeration quirks for Medion Lifetab S10346 and
     Lenovo Yoga Tab 3 Pro (YT3-X90F) (Hans de Goede)

   - Make the ACPI battery driver notify user space about adding new
     battery hooks and removing the existing ones (Armin Wolf)

   - Modify the pfr_update and pfr_telemetry drivers to use ACPI_FREE()
     for freeing acpi_object structures to help diagnostics (Wang
     ShaoBo)

   - Make the ACPI fan driver use sysfs_emit_at() in its sysfs interface
     code (ye xingchen)

   - Fix the _FIF package extraction failure handling in the ACPI fan
     driver (Hanjun Guo)

   - Fix the PCC mailbox handling error code path (Huisong Li)

   - Avoid using PCC Opregions if there is no platform interrupt
     allocated for this purpose (Huisong Li)

   - Use sysfs_emit() instead of scnprintf() in the ACPI PAD driver and
     CPPC library (ye xingchen)

   - Fix some kernel-doc issues in the ACPI GSI processing code
     (Xiongfeng Wang)

   - Fix name memory leak in pnp_alloc_dev() (Yang Yingliang)

   - Do not disable PNP devices on suspend when they cannot be
     re-enabled on resume (Hans de Goede)

   - Clean up the ACPI thermal driver a bit (Rafael Wysocki)"

* tag 'acpi-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (67 commits)
  ACPI: x86: Add skip i2c clients quirk for Medion Lifetab S10346
  ACPI: APEI: EINJ: Refactor available_error_type_show()
  ACPI: APEI: EINJ: Fix formatting errors
  ACPI: processor: perflib: Adjust acpi_processor_notify_smm() return value
  ACPI: processor: perflib: Rearrange acpi_processor_notify_smm()
  ACPI: processor: perflib: Rearrange unregistration routine
  ACPI: processor: perflib: Drop redundant parentheses
  ACPI: processor: perflib: Adjust white space
  ACPI: processor: idle: Drop unnecessary statements and parens
  ACPI: thermal: Adjust critical.flags.valid check
  ACPI: fan: Convert to use sysfs_emit_at() API
  ACPICA: Fix use-after-free in acpi_ut_copy_ipackage_to_ipackage()
  ACPI: battery: Call power_supply_changed() when adding hooks
  ACPI: use sysfs_emit() instead of scnprintf()
  ACPI: x86: Add skip i2c clients quirk for Lenovo Yoga Tab 3 Pro (YT3-X90F)
  ACPI: APEI: Remove a useless include
  PNP: Do not disable devices on suspend when they cannot be re-enabled on resume
  ACPI: processor: Silence missing prototype warnings
  ACPI: processor_idle: Silence missing prototype warnings
  ACPI: PM: Silence missing prototype warning
  ...
2022-12-12 13:38:17 -08:00
Linus Torvalds
045e222d0a Power management updates for 6.2-rc1
- Fix nasty and hard to debug race condition introduced by mistake
    in the runtime PM core code and clean up that code somewhat on
    top of the fix (Rafael Wysocki).
 
  - Generalize of_perf_domain_get_sharing_cpumask phandle format (Hector
    Martin).
 
  - Add new cpufreq driver for Apple SoC CPU P-states (Hector Martin).
 
  - Update Qualcomm cpufreq driver, including:
    * CPU clock provider support,
    * Generic cleanups or reorganization.
    * Potential memleak fix.
    * Fix of the return value of cpufreq_driver->get().
    (Manivannan Sadhasivam, Chen Hui).
 
  - Update Qualcomm cpufreq driver's DT bindings, including:
    * Support for CPU clock provider.
    * Missing cache-related properties fixes.
    * Support for QDU1000/QRU1000.
    (Manivannan Sadhasivam, Rob Herring, Melody Olvera).
 
  - Add support for ti,am625 SoC and enable build of ti-cpufreq for
    ARCH_K3 (Dave Gerlach, and Vibhore Vardhan).
 
  - Use flexible array to simplify memory allocation in the tegra186
    cpufreq driver (Christophe JAILLET).
 
  - Convert cpufreq statistics code to use sysfs_emit_at() (ye xingchen).
 
  - Allow intel_pstate to use no-HWP mode on Sapphire Rapids (Giovanni
    Gherdovich).
 
  - Add missing pci_dev_put() to the amd_freq_sensitivity cpufreq driver
    (Xiongfeng Wang).
 
  - Initialize the kobj_unregister completion before calling
    kobject_init_and_add() in the cpufreq core code (Yongqiang Liu).
 
  - Defer setting boost MSRs in the ACPI cpufreq driver (Stuart Hayes,
    Nathan Chancellor).
 
  - Make intel_pstate accept initial EPP value of 0x80 (Srinivas
    Pandruvada).
 
  - Make read-only array sys_clk_src in the SPEAr cpufreq driver static
    (Colin Ian King).
 
  - Make array speeds in the longhaul cpufreq driver static (Colin Ian
    King).
 
  - Use str_enabled_disabled() helper in the ACPI cpufreq driver (Andy
    Shevchenko).
 
  - Drop a reference to CVS from cpufreq documentation (Conghui Wang).
 
  - Improve kernel messages printed by the PSCI cpuidle driver (Ulf
    Hansson).
 
  - Make the DT cpuidle driver return the correct number of parsed idle
    states, clean it up and clarify a comment in it (Ulf Hansson).
 
  - Modify the tasks freezing code to avoid using pr_cont() and refine an
    error message printed by it (Rafael Wysocki).
 
  - Make the hibernation core code complain about memory map mismatches
    during resume to help diagnostics (Xueqin Luo).
 
  - Fix mistake in a kerneldoc comment in the hibernation code (xiongxin).
 
  - Reverse the order of performance and enabling operations in the
    generic power domains code (Abel Vesa).
 
  - Power off[on] domains in hibernate .freeze[thaw]_noirq hook of in the
    generic power domains code (Abel Vesa).
 
  - Consolidate genpd_restore_noirq() and genpd_resume_noirq() (Shawn
    Guo).
 
  - Pass generic PM noirq hooks to genpd_finish_suspend() (Shawn Guo).
 
  - Drop generic power domain status manipulation during hibernate
    restore (Shawn Guo).
 
  - Fix compiler warnings with make W=1 in the idle_inject power capping
    driver (Srinivas Pandruvada).
 
  - Use kstrtobool() instead of strtobool() in the power capping sysfs
    interface (Christophe JAILLET).
 
  - Add SCMI Powercap based power capping driver (Cristian Marussi).
 
  - Add Emerald Rapids support to the intel-uncore-freq driver (Artem
    Bityutskiy).
 
  - Repair slips in kernel-doc comments in the generic notifier code
    (Lukas Bulwahn).
 
  - Fix several DT issues in the OPP library reorganize code around
    opp-microvolt-<named> DT property (Viresh Kumar).
 
  - Allow any of opp-microvolt, opp-microamp, or opp-microwatt properties
    to be present without the others present (James Calligeros).
 
  - Fix clock-latency-ns property in DT example (Serge Semin).
 
  - Add a private governor_data for devfreq governors (Kant Fan).
 
  - Reorganize devfreq code to use device_match_of_node() and
    devm_platform_get_and_ioremap_resource() instead of open coding
    them (ye xingchen, Minghao Chi).
 
  - Make cpupower choose base_cpu to display default cpupower details
    instead of picking CPU 0 (Saket Kumar Bhaskar).
 
  - Add Georgian translation to cpupower documentation (Zurab
    Kargareteli).
 
  - Introduce powercap intel-rapl library, powercap-info command, and
    RAPL monitor into cpupower (Thomas Renninger).
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Merge tag 'pm-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These include two new drivers (cpufreq driver for Apple SoC CPU
  P-states and the SCMI Powercap based power capping driver), other new
  hardware support and driver extensions (Qualcomm cpufreq driver and
  its DT bindings, TI cpufreq driver, intel_pstate, intel-uncore-freq),
  a bunch of fixes and cleanups all over and a cpupower utility update
  including new features related to RAPL support.

  Specifics:

   - Fix nasty and hard to debug race condition introduced by mistake in
     the runtime PM core code and clean up that code somewhat on top of
     the fix (Rafael Wysocki)

   - Generalize of_perf_domain_get_sharing_cpumask phandle format
     (Hector Martin)

   - Add new cpufreq driver for Apple SoC CPU P-states (Hector Martin)

   - Update Qualcomm cpufreq driver (Manivannan Sadhasivam, Chen Hui):
      - CPU clock provider support
      - Generic cleanups or reorganization
      - Potential memleak fix
      - Fix of the return value of cpufreq_driver->get()

   - Update Qualcomm cpufreq driver's DT bindings (Manivannan
     Sadhasivam, Rob Herring, Melody Olvera):
      - Support for CPU clock provider
      - Missing cache-related properties fixes
      - Support for QDU1000/QRU1000

   - Add support for ti,am625 SoC and enable build of ti-cpufreq for
     ARCH_K3 (Dave Gerlach, and Vibhore Vardhan)

   - Use flexible array to simplify memory allocation in the tegra186
     cpufreq driver (Christophe JAILLET)

   - Convert cpufreq statistics code to use sysfs_emit_at() (ye
     xingchen)

   - Allow intel_pstate to use no-HWP mode on Sapphire Rapids (Giovanni
     Gherdovich)

   - Add missing pci_dev_put() to the amd_freq_sensitivity cpufreq
     driver (Xiongfeng Wang)

   - Initialize the kobj_unregister completion before calling
     kobject_init_and_add() in the cpufreq core code (Yongqiang Liu)

   - Defer setting boost MSRs in the ACPI cpufreq driver (Stuart Hayes,
     Nathan Chancellor)

   - Make intel_pstate accept initial EPP value of 0x80 (Srinivas
     Pandruvada)

   - Make read-only array sys_clk_src in the SPEAr cpufreq driver static
     (Colin Ian King)

   - Make array speeds in the longhaul cpufreq driver static (Colin Ian
     King)

   - Use str_enabled_disabled() helper in the ACPI cpufreq driver (Andy
     Shevchenko)

   - Drop a reference to CVS from cpufreq documentation (Conghui Wang)

   - Improve kernel messages printed by the PSCI cpuidle driver (Ulf
     Hansson)

   - Make the DT cpuidle driver return the correct number of parsed idle
     states, clean it up and clarify a comment in it (Ulf Hansson)

   - Modify the tasks freezing code to avoid using pr_cont() and refine
     an error message printed by it (Rafael Wysocki)

   - Make the hibernation core code complain about memory map mismatches
     during resume to help diagnostics (Xueqin Luo)

   - Fix mistake in a kerneldoc comment in the hibernation code
     (xiongxin)

   - Reverse the order of performance and enabling operations in the
     generic power domains code (Abel Vesa)

   - Power off[on] domains in hibernate .freeze[thaw]_noirq hook of in
     the generic power domains code (Abel Vesa)

   - Consolidate genpd_restore_noirq() and genpd_resume_noirq() (Shawn
     Guo)

   - Pass generic PM noirq hooks to genpd_finish_suspend() (Shawn Guo)

   - Drop generic power domain status manipulation during hibernate
     restore (Shawn Guo)

   - Fix compiler warnings with make W=1 in the idle_inject power
     capping driver (Srinivas Pandruvada)

   - Use kstrtobool() instead of strtobool() in the power capping sysfs
     interface (Christophe JAILLET)

   - Add SCMI Powercap based power capping driver (Cristian Marussi)

   - Add Emerald Rapids support to the intel-uncore-freq driver (Artem
     Bityutskiy)

   - Repair slips in kernel-doc comments in the generic notifier code
     (Lukas Bulwahn)

   - Fix several DT issues in the OPP library reorganize code around
     opp-microvolt-<named> DT property (Viresh Kumar)

   - Allow any of opp-microvolt, opp-microamp, or opp-microwatt
     properties to be present without the others present (James
     Calligeros)

   - Fix clock-latency-ns property in DT example (Serge Semin)

   - Add a private governor_data for devfreq governors (Kant Fan)

   - Reorganize devfreq code to use device_match_of_node() and
     devm_platform_get_and_ioremap_resource() instead of open coding
     them (ye xingchen, Minghao Chi)

   - Make cpupower choose base_cpu to display default cpupower details
     instead of picking CPU 0 (Saket Kumar Bhaskar)

   - Add Georgian translation to cpupower documentation (Zurab
     Kargareteli)

   - Introduce powercap intel-rapl library, powercap-info command, and
     RAPL monitor into cpupower (Thomas Renninger)"

* tag 'pm-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
  PM: runtime: Adjust white space in the core code
  cpufreq: Remove CVS version control contents from documentation
  cpufreq: stats: Convert to use sysfs_emit_at() API
  cpufreq: ACPI: Only set boost MSRs on supported CPUs
  PM: sleep: Refine error message in try_to_freeze_tasks()
  PM: sleep: Avoid using pr_cont() in the tasks freezing code
  PM: runtime: Relocate rpm_callback() right after __rpm_callback()
  PM: runtime: Do not call __rpm_callback() from rpm_idle()
  PM / devfreq: event: use devm_platform_get_and_ioremap_resource()
  PM / devfreq: event: Use device_match_of_node()
  PM / devfreq: Use device_match_of_node()
  powercap: idle_inject: Fix warnings with make W=1
  PM: hibernate: Complain about memory map mismatches during resume
  dt-bindings: cpufreq: cpufreq-qcom-hw: Add QDU1000/QRU1000 cpufreq
  cpufreq: tegra186: Use flexible array to simplify memory allocation
  cpupower: rapl monitor - shows the used power consumption in uj for each rapl domain
  cpupower: Introduce powercap intel-rapl library and powercap-info command
  cpupower: Add Georgian translation
  cpufreq: intel_pstate: Add Sapphire Rapids support in no-HWP mode
  cpufreq: amd_freq_sensitivity: Add missing pci_dev_put()
  ...
2022-12-12 13:19:07 -08:00
Rae Moar
9c988fae6f kunit: add macro to allow conditionally exposing static symbols to tests
Create two macros:

VISIBLE_IF_KUNIT - A macro that sets symbols to be static if CONFIG_KUNIT
is not enabled. Otherwise if CONFIG_KUNIT is enabled there is no change to
the symbol definition.

EXPORT_SYMBOL_IF_KUNIT(symbol) - Exports symbol into
EXPORTED_FOR_KUNIT_TESTING namespace only if CONFIG_KUNIT is enabled. Must
use MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING) in test file in order to
use symbols.

Signed-off-by: Rae Moar <rmoar@google.com>
Reviewed-by: John Johansen <john.johansen@canonical.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-12-12 14:13:48 -07:00
David Gow
91e9359221 kunit: Use the static key when retrieving the current test
In order to detect if a KUnit test is running, and to access its
context, the 'kunit_test' member of the current task_struct is used.
Usually, this is accessed directly or via the kunit_fail_current_task()
function.

In order to speed up the case where no test is running, add a wrapper,
kunit_get_current_test(), which uses the static key to fail early.
Equally, Speed up kunit_fail_current_test() by using the static key.

This should make it convenient for code to call this
unconditionally in fakes or error paths, without worrying that this will
slow the code down significantly.

If CONFIG_KUNIT=n (or m), this compiles away to nothing. If
CONFIG_KUNIT=y, it will compile down to a NOP (on most architectures) if
no KUnit test is currently running.

Note that kunit_get_current_test() does not work if KUnit is built as a
module. This mirrors the existing restriction on kunit_fail_current_test().

Note that the definition of kunit_fail_current_test() still wraps an
empty, inline function if KUnit is not built-in. This is to ensure that
the printf format string __attribute__ will still work.

Also update the documentation to suggest users use the new
kunit_get_current_test() function, update the example, and to describe
the behaviour when KUnit is disabled better.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Sadiya Kazi <sadiyakazi@google.com>
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-12-12 14:13:47 -07:00
David Gow
908d0c177b kunit: Provide a static key to check if KUnit is actively running tests
KUnit does a few expensive things when enabled. This hasn't been a
problem because KUnit was only enabled on test kernels, but with a few
people enabling (but not _using_) KUnit on production systems, we need a
runtime way of handling this.

Provide a 'kunit_running' static key (defaulting to false), which allows
us to hide any KUnit code behind a static branch. This should reduce the
performance impact (on other code) of having KUnit enabled to a single
NOP when no tests are running.

Note that, while it looks unintuitive, tests always run entirely within
__kunit_test_suites_init(), so it's safe to decrement the static key at
the end of this function, rather than in __kunit_test_suites_exit(),
which is only there to clean up results in debugfs.

Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-12-12 14:13:47 -07:00
Daniel Latypov
34c68f432c kunit: remove KUNIT_INIT_MEM_ASSERTION macro
Commit 870f63b7cd78 ("kunit: eliminate KUNIT_INIT_*_ASSERT_STRUCT
macros") removed all the other macros of this type.

But it raced with commit b8a926bea8 ("kunit: Introduce
KUNIT_EXPECT_MEMEQ and KUNIT_EXPECT_MEMNEQ macros"), which added another
instance.

Remove KUNIT_INIT_MEM_ASSERTION and just use the generic
KUNIT_INIT_ASSERT macro instead.
Rename the `size` arg to avoid conflicts by appending a "_" (like we did
in the previous commit).

Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-12-12 14:13:47 -07:00
Daniel Latypov
697365c086 kunit: eliminate KUNIT_INIT_*_ASSERT_STRUCT macros
These macros exist because passing an initializer list to other macros
is hard.

The goal of these macros is to generate a line like
  struct $ASSERT_TYPE __assertion = $APPROPRIATE_INITIALIZER;
e.g.
  struct kunit_unary_assertion __assertion = {
	  .condition = "foo()",
	  .expected_true = true
  };

But the challenge is you can't pass `{.condition=..., .expect_true=...}`
as a macro argument, since the comma means you're actually passing two
arguments, `{.condition=...` and `.expect_true=....}`.
So we'd made custom macros for each different initializer-list shape.

But we can work around this with the following generic macro
  #define KUNIT_INIT_ASSERT(initializers...) { initializers }

Note: this has the downside that we have to rename some macros arguments
to not conflict with the struct field names (e.g. `expected_true`).
It's a bit gross, but probably worth reducing the # of macros.

Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-12-12 14:13:47 -07:00
Matthieu Baerts
3fff88186f mptcp: remove MPTCP 'ifdef' in TCP SYN cookies
To ease the maintenance, it is often recommended to avoid having #ifdef
preprocessor conditions.

Here the section related to CONFIG_MPTCP was quite short but the next
commit needs to add more code around. It is then cleaner to move
specific MPTCP code to functions located in net/mptcp directory.

Now that mptcp_subflow_request_sock_ops structure can be static, it can
also be marked as "read only after init".

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 13:11:24 -08:00
Linus Torvalds
631aa74442 Updates for miscellaneous x86 areas:
- Reserve a new boot loader type for barebox which is usally used on ARM
     and MIPS, but can also be utilized as EFI payload on x86 to provide
     watchdog-supervised boot up.
 
   - Consolidate the native and compat 32bit signal handling code and split
     the 64bit version out into a separate source file
 
   - Switch the ESPFIX random usage to get_random_long().
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Merge tag 'x86-misc-2022-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc x86 updates from Thomas Gleixner:
 "Updates for miscellaneous x86 areas:

   - Reserve a new boot loader type for barebox which is usally used on
     ARM and MIPS, but can also be utilized as EFI payload on x86 to
     provide watchdog-supervised boot up.

   - Consolidate the native and compat 32bit signal handling code and
     split the 64bit version out into a separate source file

   - Switch the ESPFIX random usage to get_random_long()"

* tag 'x86-misc-2022-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/espfix: Use get_random_long() rather than archrandom
  x86/signal/64: Move 64-bit signal code to its own file
  x86/signal/32: Merge native and compat 32-bit signal code
  x86/signal: Add ABI prefixes to frame setup functions
  x86/signal: Merge get_sigframe()
  x86: Remove __USER32_DS
  signal/compat: Remove compat_sigset_t override
  x86/signal: Remove sigset_t parameter from frame setup functions
  x86/signal: Remove sig parameter from frame setup functions
  Documentation/x86/boot: Reserve type_of_loader=13 for barebox
2022-12-12 13:01:14 -08:00
Paolo Bonzini
9352e7470a Merge remote-tracking branch 'kvm/queue' into HEAD
x86 Xen-for-KVM:

* Allow the Xen runstate information to cross a page boundary

* Allow XEN_RUNSTATE_UPDATE flag behaviour to be configured

* add support for 32-bit guests in SCHEDOP_poll

x86 fixes:

* One-off fixes for various emulation flows (SGX, VMXON, NRIPS=0).

* Reinstate IBPB on emulated VM-Exit that was incorrectly dropped a few
   years back when eliminating unnecessary barriers when switching between
   vmcs01 and vmcs02.

* Clean up the MSR filter docs.

* Clean up vmread_error_trampoline() to make it more obvious that params
  must be passed on the stack, even for x86-64.

* Let userspace set all supported bits in MSR_IA32_FEAT_CTL irrespective
  of the current guest CPUID.

* Fudge around a race with TSC refinement that results in KVM incorrectly
  thinking a guest needs TSC scaling when running on a CPU with a
  constant TSC, but no hardware-enumerated TSC frequency.

* Advertise (on AMD) that the SMM_CTL MSR is not supported

* Remove unnecessary exports

Selftests:

* Fix an inverted check in the access tracking perf test, and restore
  support for asserting that there aren't too many idle pages when
  running on bare metal.

* Fix an ordering issue in the AMX test introduced by recent conversions
  to use kvm_cpu_has(), and harden the code to guard against similar bugs
  in the future.  Anything that tiggers caching of KVM's supported CPUID,
  kvm_cpu_has() in this case, effectively hides opt-in XSAVE features if
  the caching occurs before the test opts in via prctl().

* Fix build errors that occur in certain setups (unsure exactly what is
  unique about the problematic setup) due to glibc overriding
  static_assert() to a variant that requires a custom message.

* Introduce actual atomics for clear/set_bit() in selftests

Documentation:

* Remove deleted ioctls from documentation

* Various fixes
2022-12-12 15:54:07 -05:00
Linus Torvalds
0a1d4434db Updates for timers, timekeeping and drivers:
- Core:
 
    - The timer_shutdown[_sync]() infrastructure:
 
      Tearing down timers can be tedious when there are circular
      dependencies to other things which need to be torn down. A prime
      example is timer and workqueue where the timer schedules work and the
      work arms the timer.
 
      What needs to prevented is that pending work which is drained via
      destroy_workqueue() does not rearm the previously shutdown
      timer. Nothing in that shutdown sequence relies on the timer being
      functional.
 
      The conclusion was that the semantics of timer_shutdown_sync() should
      be:
 
 	- timer is not enqueued
     	- timer callback is not running
     	- timer cannot be rearmed
 
      Preventing the rearming of shutdown timers is done by discarding rearm
      attempts silently. A warning for the case that a rearm attempt of a
      shutdown timer is detected would not be really helpful because it's
      entirely unclear how it should be acted upon. The only way to address
      such a case is to add 'if (in_shutdown)' conditionals all over the
      place. This is error prone and in most cases of teardown not required
      all.
 
    - The real fix for the bluetooth HCI teardown based on
      timer_shutdown_sync().
 
      A larger scale conversion to timer_shutdown_sync() is work in
      progress.
 
    - Consolidation of VDSO time namespace helper functions
 
    - Small fixes for timer and timerqueue
 
  - Drivers:
 
    - Prevent integer overflow on the XGene-1 TVAL register which causes
      an never ending interrupt storm.
 
    - The usual set of new device tree bindings
 
    - Small fixes and improvements all over the place
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Merge tag 'timers-core-2022-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer updates from Thomas Gleixner:
 "Updates for timers, timekeeping and drivers:

  Core:

   - The timer_shutdown[_sync]() infrastructure:

     Tearing down timers can be tedious when there are circular
     dependencies to other things which need to be torn down. A prime
     example is timer and workqueue where the timer schedules work and
     the work arms the timer.

     What needs to prevented is that pending work which is drained via
     destroy_workqueue() does not rearm the previously shutdown timer.
     Nothing in that shutdown sequence relies on the timer being
     functional.

     The conclusion was that the semantics of timer_shutdown_sync()
     should be:
	- timer is not enqueued
    	- timer callback is not running
    	- timer cannot be rearmed

     Preventing the rearming of shutdown timers is done by discarding
     rearm attempts silently.

     A warning for the case that a rearm attempt of a shutdown timer is
     detected would not be really helpful because it's entirely unclear
     how it should be acted upon. The only way to address such a case is
     to add 'if (in_shutdown)' conditionals all over the place. This is
     error prone and in most cases of teardown not required all.

   - The real fix for the bluetooth HCI teardown based on
     timer_shutdown_sync().

     A larger scale conversion to timer_shutdown_sync() is work in
     progress.

   - Consolidation of VDSO time namespace helper functions

   - Small fixes for timer and timerqueue

  Drivers:

   - Prevent integer overflow on the XGene-1 TVAL register which causes
     an never ending interrupt storm.

   - The usual set of new device tree bindings

   - Small fixes and improvements all over the place"

* tag 'timers-core-2022-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
  dt-bindings: timer: renesas,cmt: Add r8a779g0 CMT support
  dt-bindings: timer: renesas,tmu: Add r8a779g0 support
  clocksource/drivers/arm_arch_timer: Use kstrtobool() instead of strtobool()
  clocksource/drivers/timer-ti-dm: Fix missing clk_disable_unprepare in dmtimer_systimer_init_clock()
  clocksource/drivers/timer-ti-dm: Clear settings on probe and free
  clocksource/drivers/timer-ti-dm: Make timer_get_irq static
  clocksource/drivers/timer-ti-dm: Fix warning for omap_timer_match
  clocksource/drivers/arm_arch_timer: Fix XGene-1 TVAL register math error
  clocksource/drivers/timer-npcm7xx: Enable timer 1 clock before use
  dt-bindings: timer: nuvoton,npcm7xx-timer: Allow specifying all clocks
  dt-bindings: timer: rockchip: Add rockchip,rk3128-timer
  clockevents: Repair kernel-doc for clockevent_delta2ns()
  clocksource/drivers/ingenic-ost: Define pm functions properly in platform_driver struct
  clocksource/drivers/sh_cmt: Access registers according to spec
  vdso/timens: Refactor copy-pasted find_timens_vvar_page() helper into one copy
  Bluetooth: hci_qca: Fix the teardown problem for real
  timers: Update the documentation to reflect on the new timer_shutdown() API
  timers: Provide timer_shutdown[_sync]()
  timers: Add shutdown mechanism to the internal functions
  timers: Split [try_to_]del_timer[_sync]() to prepare for shutdown mode
  ...
2022-12-12 12:52:02 -08:00
Jakub Kicinski
26f708a284 bpf-next-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Alexei Starovoitov says:

====================
pull-request: bpf-next 2022-12-11

We've added 74 non-merge commits during the last 11 day(s) which contain
a total of 88 files changed, 3362 insertions(+), 789 deletions(-).

The main changes are:

1) Decouple prune and jump points handling in the verifier, from Andrii.

2) Do not rely on ALLOW_ERROR_INJECTION for fmod_ret, from Benjamin.
   Merged from hid tree.

3) Do not zero-extend kfunc return values. Necessary fix for 32-bit archs,
   from Björn.

4) Don't use rcu_users to refcount in task kfuncs, from David.

5) Three reg_state->id fixes in the verifier, from Eduard.

6) Optimize bpf_mem_alloc by reusing elements from free_by_rcu, from Hou.

7) Refactor dynptr handling in the verifier, from Kumar.

8) Remove the "/sys" mount and umount dance in {open,close}_netns
  in bpf selftests, from Martin.

9) Enable sleepable support for cgrp local storage, from Yonghong.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (74 commits)
  selftests/bpf: test case for relaxed prunning of active_lock.id
  selftests/bpf: Add pruning test case for bpf_spin_lock
  bpf: use check_ids() for active_lock comparison
  selftests/bpf: verify states_equal() maintains idmap across all frames
  bpf: states_equal() must build idmap for all function frames
  selftests/bpf: test cases for regsafe() bug skipping check_id()
  bpf: regsafe() must not skip check_ids()
  docs/bpf: Add documentation for BPF_MAP_TYPE_SK_STORAGE
  selftests/bpf: Add test for dynptr reinit in user_ringbuf callback
  bpf: Use memmove for bpf_dynptr_{read,write}
  bpf: Move PTR_TO_STACK alignment check to process_dynptr_func
  bpf: Rework check_func_arg_reg_off
  bpf: Rework process_dynptr_func
  bpf: Propagate errors from process_* checks in check_func_arg
  bpf: Refactor ARG_PTR_TO_DYNPTR checks into process_dynptr_func
  bpf: Skip rcu_barrier() if rcu_trace_implies_rcu_gp() is true
  bpf: Reuse freed element in free_by_rcu during allocation
  selftests/bpf: Bring test_offload.py back to life
  bpf: Fix comment error in fixup_kfunc_call function
  bpf: Do not zero-extend kfunc return values
  ...
====================

Link: https://lore.kernel.org/r/20221212024701.73809-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-12 11:27:42 -08:00
Linus Torvalds
9d33edb20f Updates for the interrupt core and driver subsystem:
- Core:
 
    The bulk is the rework of the MSI subsystem to support per device MSI
    interrupt domains. This solves conceptual problems of the current
    PCI/MSI design which are in the way of providing support for PCI/MSI[-X]
    and the upcoming PCI/IMS mechanism on the same device.
 
    IMS (Interrupt Message Store] is a new specification which allows device
    manufactures to provide implementation defined storage for MSI messages
    contrary to the uniform and specification defined storage mechanisms for
    PCI/MSI and PCI/MSI-X. IMS not only allows to overcome the size limitations
    of the MSI-X table, but also gives the device manufacturer the freedom to
    store the message in arbitrary places, even in host memory which is shared
    with the device.
 
    There have been several attempts to glue this into the current MSI code,
    but after lengthy discussions it turned out that there is a fundamental
    design problem in the current PCI/MSI-X implementation. This needs some
    historical background.
 
    When PCI/MSI[-X] support was added around 2003, interrupt management was
    completely different from what we have today in the actively developed
    architectures. Interrupt management was completely architecture specific
    and while there were attempts to create common infrastructure the
    commonalities were rudimentary and just providing shared data structures and
    interfaces so that drivers could be written in an architecture agnostic
    way.
 
    The initial PCI/MSI[-X] support obviously plugged into this model which
    resulted in some basic shared infrastructure in the PCI core code for
    setting up MSI descriptors, which are a pure software construct for holding
    data relevant for a particular MSI interrupt, but the actual association to
    Linux interrupts was completely architecture specific. This model is still
    supported today to keep museum architectures and notorious stranglers
    alive.
 
    In 2013 Intel tried to add support for hot-pluggable IO/APICs to the kernel,
    which was creating yet another architecture specific mechanism and resulted
    in an unholy mess on top of the existing horrors of x86 interrupt handling.
    The x86 interrupt management code was already an incomprehensible maze of
    indirections between the CPU vector management, interrupt remapping and the
    actual IO/APIC and PCI/MSI[-X] implementation.
 
    At roughly the same time ARM struggled with the ever growing SoC specific
    extensions which were glued on top of the architected GIC interrupt
    controller.
 
    This resulted in a fundamental redesign of interrupt management and
    provided the today prevailing concept of hierarchical interrupt
    domains. This allowed to disentangle the interactions between x86 vector
    domain and interrupt remapping and also allowed ARM to handle the zoo of
    SoC specific interrupt components in a sane way.
 
    The concept of hierarchical interrupt domains aims to encapsulate the
    functionality of particular IP blocks which are involved in interrupt
    delivery so that they become extensible and pluggable. The X86
    encapsulation looks like this:
 
                                             |--- device 1
      [Vector]---[Remapping]---[PCI/MSI]--|...
                                             |--- device N
 
    where the remapping domain is an optional component and in case that it is
    not available the PCI/MSI[-X] domains have the vector domain as their
    parent. This reduced the required interaction between the domains pretty
    much to the initialization phase where it is obviously required to
    establish the proper parent relation ship in the components of the
    hierarchy.
 
    While in most cases the model is strictly representing the chain of IP
    blocks and abstracting them so they can be plugged together to form a
    hierarchy, the design stopped short on PCI/MSI[-X]. Looking at the hardware
    it's clear that the actual PCI/MSI[-X] interrupt controller is not a global
    entity, but strict a per PCI device entity.
 
    Here we took a short cut on the hierarchical model and went for the easy
    solution of providing "global" PCI/MSI domains which was possible because
    the PCI/MSI[-X] handling is uniform across the devices. This also allowed
    to keep the existing PCI/MSI[-X] infrastructure mostly unchanged which in
    turn made it simple to keep the existing architecture specific management
    alive.
 
    A similar problem was created in the ARM world with support for IP block
    specific message storage. Instead of going all the way to stack a IP block
    specific domain on top of the generic MSI domain this ended in a construct
    which provides a "global" platform MSI domain which allows overriding the
    irq_write_msi_msg() callback per allocation.
 
    In course of the lengthy discussions we identified other abuse of the MSI
    infrastructure in wireless drivers, NTB etc. where support for
    implementation specific message storage was just mindlessly glued into the
    existing infrastructure. Some of this just works by chance on particular
    platforms but will fail in hard to diagnose ways when the driver is used
    on platforms where the underlying MSI interrupt management code does not
    expect the creative abuse.
 
    Another shortcoming of today's PCI/MSI-X support is the inability to
    allocate or free individual vectors after the initial enablement of
    MSI-X. This results in an works by chance implementation of VFIO (PCI
    pass-through) where interrupts on the host side are not set up upfront to
    avoid resource exhaustion. They are expanded at run-time when the guest
    actually tries to use them. The way how this is implemented is that the
    host disables MSI-X and then re-enables it with a larger number of
    vectors again. That works by chance because most device drivers set up
    all interrupts before the device actually will utilize them. But that's
    not universally true because some drivers allocate a large enough number
    of vectors but do not utilize them until it's actually required,
    e.g. for acceleration support. But at that point other interrupts of the
    device might be in active use and the MSI-X disable/enable dance can
    just result in losing interrupts and therefore hard to diagnose subtle
    problems.
 
    Last but not least the "global" PCI/MSI-X domain approach prevents to
    utilize PCI/MSI[-X] and PCI/IMS on the same device due to the fact that IMS
    is not longer providing a uniform storage and configuration model.
 
    The solution to this is to implement the missing step and switch from
    global PCI/MSI domains to per device PCI/MSI domains. The resulting
    hierarchy then looks like this:
 
                               |--- [PCI/MSI] device 1
      [Vector]---[Remapping]---|...
                               |--- [PCI/MSI] device N
 
    which in turn allows to provide support for multiple domains per device:
 
                               |--- [PCI/MSI] device 1
                               |--- [PCI/IMS] device 1
      [Vector]---[Remapping]---|...
                               |--- [PCI/MSI] device N
                               |--- [PCI/IMS] device N
 
    This work converts the MSI and PCI/MSI core and the x86 interrupt
    domains to the new model, provides new interfaces for post-enable
    allocation/free of MSI-X interrupts and the base framework for PCI/IMS.
    PCI/IMS has been verified with the work in progress IDXD driver.
 
    There is work in progress to convert ARM over which will replace the
    platform MSI train-wreck. The cleanup of VFIO, NTB and other creative
    "solutions" are in the works as well.
 
  - Drivers:
 
    - Updates for the LoongArch interrupt chip drivers
 
    - Support for MTK CIRQv2
 
    - The usual small fixes and updates all over the place
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Merge tag 'irq-core-2022-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq updates from Thomas Gleixner:
 "Updates for the interrupt core and driver subsystem:

  The bulk is the rework of the MSI subsystem to support per device MSI
  interrupt domains. This solves conceptual problems of the current
  PCI/MSI design which are in the way of providing support for
  PCI/MSI[-X] and the upcoming PCI/IMS mechanism on the same device.

  IMS (Interrupt Message Store] is a new specification which allows
  device manufactures to provide implementation defined storage for MSI
  messages (as opposed to PCI/MSI and PCI/MSI-X that has a specified
  message store which is uniform accross all devices). The PCI/MSI[-X]
  uniformity allowed us to get away with "global" PCI/MSI domains.

  IMS not only allows to overcome the size limitations of the MSI-X
  table, but also gives the device manufacturer the freedom to store the
  message in arbitrary places, even in host memory which is shared with
  the device.

  There have been several attempts to glue this into the current MSI
  code, but after lengthy discussions it turned out that there is a
  fundamental design problem in the current PCI/MSI-X implementation.
  This needs some historical background.

  When PCI/MSI[-X] support was added around 2003, interrupt management
  was completely different from what we have today in the actively
  developed architectures. Interrupt management was completely
  architecture specific and while there were attempts to create common
  infrastructure the commonalities were rudimentary and just providing
  shared data structures and interfaces so that drivers could be written
  in an architecture agnostic way.

  The initial PCI/MSI[-X] support obviously plugged into this model
  which resulted in some basic shared infrastructure in the PCI core
  code for setting up MSI descriptors, which are a pure software
  construct for holding data relevant for a particular MSI interrupt,
  but the actual association to Linux interrupts was completely
  architecture specific. This model is still supported today to keep
  museum architectures and notorious stragglers alive.

  In 2013 Intel tried to add support for hot-pluggable IO/APICs to the
  kernel, which was creating yet another architecture specific mechanism
  and resulted in an unholy mess on top of the existing horrors of x86
  interrupt handling. The x86 interrupt management code was already an
  incomprehensible maze of indirections between the CPU vector
  management, interrupt remapping and the actual IO/APIC and PCI/MSI[-X]
  implementation.

  At roughly the same time ARM struggled with the ever growing SoC
  specific extensions which were glued on top of the architected GIC
  interrupt controller.

  This resulted in a fundamental redesign of interrupt management and
  provided the today prevailing concept of hierarchical interrupt
  domains. This allowed to disentangle the interactions between x86
  vector domain and interrupt remapping and also allowed ARM to handle
  the zoo of SoC specific interrupt components in a sane way.

  The concept of hierarchical interrupt domains aims to encapsulate the
  functionality of particular IP blocks which are involved in interrupt
  delivery so that they become extensible and pluggable. The X86
  encapsulation looks like this:

                                            |--- device 1
     [Vector]---[Remapping]---[PCI/MSI]--|...
                                            |--- device N

  where the remapping domain is an optional component and in case that
  it is not available the PCI/MSI[-X] domains have the vector domain as
  their parent. This reduced the required interaction between the
  domains pretty much to the initialization phase where it is obviously
  required to establish the proper parent relation ship in the
  components of the hierarchy.

  While in most cases the model is strictly representing the chain of IP
  blocks and abstracting them so they can be plugged together to form a
  hierarchy, the design stopped short on PCI/MSI[-X]. Looking at the
  hardware it's clear that the actual PCI/MSI[-X] interrupt controller
  is not a global entity, but strict a per PCI device entity.

  Here we took a short cut on the hierarchical model and went for the
  easy solution of providing "global" PCI/MSI domains which was possible
  because the PCI/MSI[-X] handling is uniform across the devices. This
  also allowed to keep the existing PCI/MSI[-X] infrastructure mostly
  unchanged which in turn made it simple to keep the existing
  architecture specific management alive.

  A similar problem was created in the ARM world with support for IP
  block specific message storage. Instead of going all the way to stack
  a IP block specific domain on top of the generic MSI domain this ended
  in a construct which provides a "global" platform MSI domain which
  allows overriding the irq_write_msi_msg() callback per allocation.

  In course of the lengthy discussions we identified other abuse of the
  MSI infrastructure in wireless drivers, NTB etc. where support for
  implementation specific message storage was just mindlessly glued into
  the existing infrastructure. Some of this just works by chance on
  particular platforms but will fail in hard to diagnose ways when the
  driver is used on platforms where the underlying MSI interrupt
  management code does not expect the creative abuse.

  Another shortcoming of today's PCI/MSI-X support is the inability to
  allocate or free individual vectors after the initial enablement of
  MSI-X. This results in an works by chance implementation of VFIO (PCI
  pass-through) where interrupts on the host side are not set up upfront
  to avoid resource exhaustion. They are expanded at run-time when the
  guest actually tries to use them. The way how this is implemented is
  that the host disables MSI-X and then re-enables it with a larger
  number of vectors again. That works by chance because most device
  drivers set up all interrupts before the device actually will utilize
  them. But that's not universally true because some drivers allocate a
  large enough number of vectors but do not utilize them until it's
  actually required, e.g. for acceleration support. But at that point
  other interrupts of the device might be in active use and the MSI-X
  disable/enable dance can just result in losing interrupts and
  therefore hard to diagnose subtle problems.

  Last but not least the "global" PCI/MSI-X domain approach prevents to
  utilize PCI/MSI[-X] and PCI/IMS on the same device due to the fact
  that IMS is not longer providing a uniform storage and configuration
  model.

  The solution to this is to implement the missing step and switch from
  global PCI/MSI domains to per device PCI/MSI domains. The resulting
  hierarchy then looks like this:

                              |--- [PCI/MSI] device 1
     [Vector]---[Remapping]---|...
                              |--- [PCI/MSI] device N

  which in turn allows to provide support for multiple domains per
  device:

                              |--- [PCI/MSI] device 1
                              |--- [PCI/IMS] device 1
     [Vector]---[Remapping]---|...
                              |--- [PCI/MSI] device N
                              |--- [PCI/IMS] device N

  This work converts the MSI and PCI/MSI core and the x86 interrupt
  domains to the new model, provides new interfaces for post-enable
  allocation/free of MSI-X interrupts and the base framework for
  PCI/IMS. PCI/IMS has been verified with the work in progress IDXD
  driver.

  There is work in progress to convert ARM over which will replace the
  platform MSI train-wreck. The cleanup of VFIO, NTB and other creative
  "solutions" are in the works as well.

  Drivers:

   - Updates for the LoongArch interrupt chip drivers

   - Support for MTK CIRQv2

   - The usual small fixes and updates all over the place"

* tag 'irq-core-2022-12-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (134 commits)
  irqchip/ti-sci-inta: Fix kernel doc
  irqchip/gic-v2m: Mark a few functions __init
  irqchip/gic-v2m: Include arm-gic-common.h
  irqchip/irq-mvebu-icu: Fix works by chance pointer assignment
  iommu/amd: Enable PCI/IMS
  iommu/vt-d: Enable PCI/IMS
  x86/apic/msi: Enable PCI/IMS
  PCI/MSI: Provide pci_ims_alloc/free_irq()
  PCI/MSI: Provide IMS (Interrupt Message Store) support
  genirq/msi: Provide constants for PCI/IMS support
  x86/apic/msi: Enable MSI_FLAG_PCI_MSIX_ALLOC_DYN
  PCI/MSI: Provide post-enable dynamic allocation interfaces for MSI-X
  PCI/MSI: Provide prepare_desc() MSI domain op
  PCI/MSI: Split MSI-X descriptor setup
  genirq/msi: Provide MSI_FLAG_MSIX_ALLOC_DYN
  genirq/msi: Provide msi_domain_alloc_irq_at()
  genirq/msi: Provide msi_domain_ops:: Prepare_desc()
  genirq/msi: Provide msi_desc:: Msi_data
  genirq/msi: Provide struct msi_map
  x86/apic/msi: Remove arch_create_remap_msi_irq_domain()
  ...
2022-12-12 11:21:29 -08:00
Stephen Boyd
0e2c9884cb Merge branches 'clk-mediatek', 'clk-trace', 'clk-qcom' and 'clk-microchip' into clk-next
- Tracepoints for clk_rate_request structures

* clk-mediatek:
  clk: mediatek: fix dependency of MT7986 ADC clocks
  clk: mediatek: Change PLL register API for MT8186
  clk: mediatek: Add new clock driver to handle FHCTL hardware
  dt-bindings: clock: mediatek: Add new bindings of MediaTek frequency hopping
  clk: mediatek: Export PLL operations symbols
  clk: mediatek: mt8186-topckgen: Add GPU clock mux notifier
  clk: mediatek: mt8186-mfg: Propagate rate changes to parent
  clk: mediatek: mt8195-topckgen: Drop flags for main/univpll fixed factors
  clk: mediatek: mt8192: Drop flags for main/univpll fixed factors
  clk: mediatek: mt6795-topckgen: Drop flags for main/sys/univpll fixed factors
  clk: mediatek: mt8173: Drop flags for main/sys/univpll fixed factors
  clk: mediatek: mt8183: Drop flags for sys/univpll fixed factors
  clk: mediatek: mt8183: Compress top_divs array entries
  clk: mediatek: mt8186-topckgen: Drop flags for main/univpll fixed factors
  clk: mediatek: clk-mtk: Allow specifying flags on mtk_fixed_factor clocks

* clk-trace:
  clk: Add trace events for rate requests
  clk: Store clk_core for clk_rate_request

* clk-qcom: (69 commits)
  clk: qcom: rpmh: add support for SM6350 rpmh IPA clock
  clk: qcom: mmcc-msm8974: use parent_hws/_data instead of parent_names
  clk: qcom: mmcc-msm8974: move clock parent tables down
  clk: qcom: mmcc-msm8974: use ARRAY_SIZE instead of specifying num_parents
  clk: qcom: gcc-msm8974: use parent_hws/_data instead of parent_names
  clk: qcom: gcc-msm8974: move clock parent tables down
  clk: qcom: gcc-msm8974: use ARRAY_SIZE instead of specifying num_parents
  dt-bindings: clocks: qcom,mmcc: define clocks/clock-names for MSM8974
  dt-bindings: clock: split qcom,gcc-msm8974,-msm8226 to the separate file
  clk: qcom: gcc-ipq4019: switch to devm_clk_notifier_register
  clk: qcom: rpmh: remove usage of platform name
  clk: qcom: rpmh: rename VRM clock data
  clk: qcom: rpmh: rename ARC clock data
  clk: qcom: rpmh: support separate symbol name for the RPMH clocks
  clk: qcom: rpmh: remove platform names from BCM clocks
  clk: qcom: rpmh: drop all _ao names
  clk: qcom: rpmh: reuse common duplicate clocks
  clk: qcom: rpmh: group clock definitions together
  clk: qcom: rpm: drop the platform from clock definitions
  clk: qcom: rpm: drop the _clk suffix completely
  ...

* clk-microchip:
  clk: microchip: enable the MPFS clk driver by default if SOC_MICROCHIP_POLARFIRE
  clk: microchip: check for null return of devm_kzalloc()
2022-12-12 11:13:28 -08:00
Stephen Boyd
e0a1d1394b Merge branches 'clk-spear', 'clk-fract', 'clk-rockchip' and 'clk-imx' into clk-next
- Debugfs support for fractional divider clk

* clk-spear:
  clk: spear: Fix SSP clock definition on SPEAr600
  clk: spear: Fix CLCD clock definition on SPEAr600

* clk-fract:
  clk: fractional-divider: Regroup inclusions
  clk: fractional-divider: Show numerator and denominator in debugfs
  clk: fractional-divider: Split out clk_fd_get_div() helper

* clk-rockchip:
  clk: rockchip: Fix memory leak in rockchip_clk_register_pll()
  clk: rockchip: add clock controller for the RK3588
  clk: rockchip: add lookup table support
  clk: rockchip: simplify rockchip_clk_add_lookup
  clk: rockchip: allow additional mux options for cpu-clock frequency changes
  clk: rockchip: add pll type for RK3588
  clk: rockchip: add register offset of the cores select parent
  dt-bindings: clock: add rk3588 cru bindings
  dt-bindings: reset: add rk3588 reset definitions
  dt-bindings: clock: add rk3588 clock definitions
  clk: rockchip: use proper crypto0 name on rk3399

* clk-imx:
  clk: imx: rename imx_obtain_fixed_clk_hw() to imx_get_clk_hw_by_name()
  clk: imx8mn: fix imx8mn_enet_phy_sels clocks list
  clk: imx8mn: fix imx8mn_sai2_sels clocks list
  clk: imx: rename video_pll1 to video_pll
  clk: imx: replace osc_hdmi with dummy
  clk: imx8mn: rename vpu_pll to m7_alt_pll
  clk: imx: imxrt1050: add IMXRT1050_CLK_LCDIF_PIX clock gate
  clk: imx: imxrt1050: fix IMXRT1050_CLK_LCDIF_APB offsets
  clk: imx8mp: Add audio shared gate
  dt-bindings: clock: imx8mp: Add ids for the audio shared gate
  clk: imx: pll14xx: Add 320 MHz and 640 MHz entries for PLL146x
  clk: imx93: keep sys ctr clock always on
  clk: imx: keep hsio bus clock always on
  clk: imx93: drop tpm1/3, lpit1/2 clk
  dt-bindings: clock: imx93: drop TPM1/3 LPIT1/2 entry
  clk: imx93: correct enet clock
  clk: imx93: unmap anatop base in error handling path
  clk: imx: imx8mp: add shared clk gate for usb suspend clk
  dt-bindings: clocks: imx8mp: Add ID for usb suspend clock
  clk: imx93: correct the flexspi1 clock setting
2022-12-12 11:13:08 -08:00
Stephen Boyd
83907bf316 Merge branches 'clk-bindings', 'clk-renesas', 'clk-amlogic', 'clk-allwinner' and 'clk-ti' into clk-next
* clk-bindings:
  dt-bindings: clock: ti,cdce925: Convert to DT schema

* clk-renesas: (26 commits)
  clk: renesas: r8a779f0: Fix Ethernet Switch clocks
  clk: renesas: r8a779g0: Add Z0 clock support
  clk: renesas: r8a779g0: Add CMT clocks
  clk: renesas: r8a779g0: Add TMU and SASYNCRT clocks
  clk: renesas: r8a779f0: Fix SCIF parent clocks
  clk: renesas: r8a779f0: Fix HSCIF parent clocks
  clk: renesas: r9a06g032: Repair grave increment error
  clk: renesas: rzg2l: Don't assume all CPG_MOD clocks support PM
  clk: renesas: rzg2l: Fix typo in struct rzg2l_cpg_priv kerneldoc
  clk: renesas: r8a779a0: Fix SD0H clock name
  clk: renesas: r8a779g0: Add RPC-IF clock
  clk: renesas: r8a779g0: Add SDHI clocks
  clk: renesas: r8a779f0: Add SASYNCPER internal clock
  clk: renesas: r8a779f0: Fix SD0H clock name
  clk: renesas: r9a07g043: Drop WDT2 clock and reset entry
  clk: renesas: r9a07g044: Drop WDT2 clock and reset entry
  clk: renesas: r8a779g0: Add TPU clock
  clk: renesas: r8a779g0: Add PWM clock
  clk: renesas: r8a779g0: Add SCIF clocks
  clk: renesas: r9a07g044: Add MTU3a clock and reset entry
  ...

* clk-amlogic:
  clk: meson: pll: add pcie lock retry workaround
  clk: meson: pll: adjust timeout in meson_clk_pll_wait_lock()

* clk-allwinner:
  clk: sunxi-ng: f1c100s: Add IR mod clock
  clk: sunxi-ng: v3s: Correct the header guard of ccu-sun8i-v3s.h

* clk-ti:
  clk: ti: fix typo in ti_clk_retry_init() code comment
  clk: ti: dra7-atl: don't allocate `parent_names' variable
  clk: ti: change ti_clk_register[_omap_hw]() API
2022-12-12 11:12:52 -08:00
Stephen Boyd
a9fc882f57 Merge branches 'clk-x86', 'clk-xilinx', 'clk-cleanup', 'clk-mstar' and 'clk-ingenic' into clk-next
- Make MxL's CGU driver secure compatible
 - Support for CPU PLL on MStar/SigmaStar SoCs
 - Ingenic JZ4755 SoC clk support
 - Support audio clks on X1000 SoCs

* clk-x86:
  clk: mxl: syscon_node_to_regmap() returns error pointers
  clk: mxl: Fix a clk entry by adding relevant flags
  clk: mxl: Add option to override gate clks
  clk: mxl: Remove redundant spinlocks
  clk: mxl: Switch from direct readl/writel based IO to regmap based IO

* clk-xilinx:
  clk: xilinx: Drop duplicate depends on COMMON_CLK

* clk-cleanup:
  clk: nomadik: correct struct name kernel-doc warning
  clk: lmk04832: fix kernel-doc warnings
  clk: lmk04832: drop superfluous #include
  clk: lmk04832: drop unnecessary semicolons
  clk: lmk04832: declare variables as const when possible
  clk: socfpga: Fix memory leak in socfpga_gate_init()
  clk: st: Fix memory leak in st_of_quadfs_setup()
  clk: samsung: Fix memory leak in _samsung_clk_register_pll()
  clk: visconti: Fix memory leak in visconti_register_pll()
  clk: Remove a useless include
  clk: samsung: Fix reference to CLK_OF_DECLARE in comment
  clk: stm32mp1: Staticize ethrx_src
  clk: keystone: syscon-clk: Use dev_err_probe() helper
  clk: bulk: Use dev_err_probe() helper in __clk_bulk_get()
  clk: cdce925: simplify using devm_regulator_get_enable()

* clk-mstar:
  clk: mstar: msc313 cpupll clk driver

* clk-ingenic:
  clk: Add Ingenic JZ4755 CGU driver
  dt-bindings: clock: Add Ingenic JZ4755 CGU header
  dt-bindings: ingenic: Add support for the JZ4755 CGU
  clk: ingenic: Minor cosmetic fixups for X1000
  clk: ingenic: Add X1000 audio clocks
  dt-bindings: ingenic,x1000-cgu: Add audio clocks
  clk: ingenic: Add .set_rate_hook() for PLL clocks
  clk: ingenic: Make PLL clock enable_bit and stable_bit optional
  clk: ingenic: Make PLL clock "od" field optional
2022-12-12 11:12:26 -08:00
Linus Torvalds
e6b160bc4d xen: branch for v6.2-rc1
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Merge tag 'for-linus-6.2-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - fix memory leaks in error paths

 - add support for virtio PCI-devices in Xen guests on ARM

 - two minor fixes

* tag 'for-linus-6.2-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/privcmd: Fix a possible warning in privcmd_ioctl_mmap_resource()
  x86/xen: Fix memory leak in xen_init_lock_cpu()
  x86/xen: Fix memory leak in xen_smp_intr_init{_pv}()
  xen: fix xen.h build for CONFIG_XEN_PVH=y
  xen/virtio: Handle PCI devices which Host controller is described in DT
  xen/virtio: Optimize the setup of "xen-grant-dma" devices
2022-12-12 10:55:53 -08:00
Linus Torvalds
7a76117f9f platform-drivers-x86 for v6.2-1
Highlights:
  -  Intel:
     -  PMC: Add support for Meteor Lake
     -  Intel On Demand: various updates
  -  ideapad-laptop:
     -  Add support for various Fn keys on new models
     -  Fix touchpad on/off handling in a generic way to avoid having
        to add more and more quirks
  -  android-x86-tablets: Add support for 2 more X86 Android tablet models
  -  New Dell WMI DDV driver
  -  Miscellaneous cleanups and small bugfixes
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI:
  -  battery: Pass battery hook pointer to hook callbacks
 
 ISST:
  -  Fix typo in comments
 
 Move existing HP drivers to a new hp subdir:
  - Move existing HP drivers to a new hp subdir
 
 dell:
  -  Add new dell-wmi-ddv driver
 
 dell-ddv:
  -  Warn if ePPID has a suspicious length
  -  Improve buffer handling
 
 huawei-wmi:
  -  remove unnecessary member
  -  fix return value calculation
  -  do not hard-code sizes
 
 ideapad-laptop:
  -  Make touchpad_ctrl_via_ec a module option
  -  Stop writing VPCCMD_W_TOUCHPAD at probe time
  -  Send KEY_TOUCHPAD_TOGGLE on some models
  -  Only toggle ps2 aux port on/off on select models
  -  Do not send KEY_TOUCHPAD* events on probe / resume
  -  Refactor ideapad_sync_touchpad_state()
  -  support for more special keys in WMI
  -  Add new _CFG bit numbers for future use
  -  Revert "check for touchpad support in _CFG"
 
 intel/pmc:
  -  Relocate Alder Lake PCH support
  -  Relocate Tiger Lake PCH support
  -  Relocate Ice Lake PCH support
  -  Relocate Cannon Lake Point PCH support
  -  Relocate Sunrise Point PCH support
  -  Move variable declarations and definitions to header and core.c
  -  Replace all the reg_map with init functions
 
 intel/pmc/core:
  -  Add Meteor Lake support to pmc core driver
 
 intel_scu_ipc:
  -  fix possible name leak in __intel_scu_ipc_register()
 
 mxm-wmi:
  -  fix memleak in mxm_wmi_call_mx[ds|mx]()
 
 platform/mellanox:
  -  mlxbf-pmc: Fix event typo
  -  Add BlueField-3 support in the tmfifo driver
 
 platform/x86/amd:
  -  pmc: Add a workaround for an s0i3 issue on Cezanne
 
 platform/x86/amd/pmf:
  -  pass the struct by reference
 
 platform/x86/dell:
  -  alienware-wmi: Use sysfs_emit() instead of scnprintf()
 
 platform/x86/intel:
  -  pmc: Fix repeated word in comment
 
 platform/x86/intel/hid:
  -  Add module-params for 5 button array + SW_TABLET_MODE reporting
 
 platform/x86/intel/sdsi:
  -  Add meter certificate support
  -  Support different GUIDs
  -  Hide attributes if hardware doesn't support
  -  Add Intel On Demand text
 
 sony-laptop:
  -  Convert to use sysfs_emit_at() API
 
 thinkpad_acpi:
  -  use strstarts()
  -  Fix max_brightness of thinklight
 
 tools/arch/x86:
  -  intel_sdsi: Add support for reading meter certificates
  -  intel_sdsi: Add support for new GUID
  -  intel_sdsi: Read more On Demand registers
  -  intel_sdsi: Add Intel On Demand text
  -  intel_sdsi: Add support for reading state certificates
 
 uv_sysfs:
  -  Use sysfs_emit() instead of scnprintf()
 
 wireless-hotkey:
  -  use ACPI HID as phys
 
 x86-android-tablets:
  -  Add Advantech MICA-071 extra button
  -  Add Lenovo Yoga Tab 3 (YT3-X90F) charger + fuel-gauge data
  -  Add Medion Lifetab S10346 data
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Merge tag 'platform-drivers-x86-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:

 - Intel:
      - PMC: Add support for Meteor Lake
      - Intel On Demand: various updates

 - Ideapad-laptop:
      - Add support for various Fn keys on new models
      - Fix touchpad on/off handling in a generic way to avoid having to
        add more and more quirks

 - Android x86 tablets:
      - Add support for two more X86 Android tablet models

 - New Dell WMI DDV driver

 - Miscellaneous cleanups and small bugfixes

* tag 'platform-drivers-x86-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (52 commits)
  platform/mellanox: mlxbf-pmc: Fix event typo
  platform/x86: intel_scu_ipc: fix possible name leak in __intel_scu_ipc_register()
  platform/x86: sony-laptop: Convert to use sysfs_emit_at() API
  platform/x86/dell: alienware-wmi: Use sysfs_emit() instead of scnprintf()
  platform/x86: uv_sysfs: Use sysfs_emit() instead of scnprintf()
  platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()
  platform/x86: x86-android-tablets: Add Advantech MICA-071 extra button
  platform/x86: x86-android-tablets: Add Lenovo Yoga Tab 3 (YT3-X90F) charger + fuel-gauge data
  platform/x86: x86-android-tablets: Add Medion Lifetab S10346 data
  platform/x86: wireless-hotkey: use ACPI HID as phys
  platform/x86/intel/hid: Add module-params for 5 button array + SW_TABLET_MODE reporting
  platform/x86: ideapad-laptop: Make touchpad_ctrl_via_ec a module option
  platform/x86: ideapad-laptop: Stop writing VPCCMD_W_TOUCHPAD at probe time
  platform/x86: ideapad-laptop: Send KEY_TOUCHPAD_TOGGLE on some models
  platform/x86: ideapad-laptop: Only toggle ps2 aux port on/off on select models
  platform/x86: ideapad-laptop: Do not send KEY_TOUCHPAD* events on probe / resume
  platform/x86: ideapad-laptop: Refactor ideapad_sync_touchpad_state()
  tools/arch/x86: intel_sdsi: Add support for reading meter certificates
  tools/arch/x86: intel_sdsi: Add support for new GUID
  tools/arch/x86: intel_sdsi: Read more On Demand registers
  ...
2022-12-12 10:47:10 -08:00
Linus Torvalds
01f3cbb296 SoC: DT changes for 6.2
The devicetree changes contain exactly 1000 non-merge changesets,
 including a number of new arm64 SoC variants from Qualcomm and Apple,
 as well as the Renesas r9a07g043f/u chip in both arm64 and riscv variants
 While we have occasionally merged support for non-arm SoCs in the past,
 this is now the normal path for riscv devicetree files.
 
 The most notable changes, by SoC platform, are:
 
  - The Apple T6000 (M1 Pro), T6001 (M1 Max) and T6002 (M2 Ultra)
    chips now have initial support. This is particularly nice as I am
    typing this on a T6002 Mac Studio with only a small number of driver
    patches.
 
  - Qualcomm MSM8996 Pro (Snapdragon 821), SM6115 (Snapdragon 662), SM4250
    (Snapdragon 460), SM6375 (Snapdragon 695), SDM670 (Snapdragon 670),
    MSM8976 (Snapdragon 652) and MSM8956 (Snapdragon 650) are all mobile
    phone chips that are closely related to others we already support.
    Adding those helps support more phones and we add several models
    from Sony (Xperia 10 IV, 5 IV, X, and X compact), OnePlus (One, 3,
    3T, and Nord N100), Xiaomi (Poco F1, Mi6), Huawei (Watch) and Google
    (Pixel 3a).  There are also new variants of the Herobrine and Trogdor
    chromebook motherboards.  SA8540P is an automotive SoC used in the
    Qdrive-3 development platform
 
  - Rockchips gains no new SoC variants, but a lot of new boards:
    three mobile gaming systems based on RK3326 Odroid-Go/rg351 family,
    two more Anbernic gaming systems based on RK3566 and a number of
    other RK356x based single-board computers.
 
  - Renesas RZ/G2UL (r9a07g043) was already supported for arm64, but as
    the newly added RZ/Five is based on the same design, this now gets
    reorganized in order to share most of the dts description between
    the two and add the RZ/Five SMARC EVK board support.
 
 Aside from that, there are the usual changes all over the tree:
 
  - New boards on other platforms contain two ASpeed BMC users, two
    Broadcom based Wifi routers, Zyxel NSA310S NAS, the i.MX6 based Kobo
    Aura2 ebook reader, two i.MX8 based development boards, two Uniphier
    Pro5 development boards, the STM32MP1 testbench board from DHCOR,
    the TI K3 based BeagleBone AI-64 board, and the Mediatek Helio X10
    based Sony Xperia M5 phone.
 
  - The Starfive JH7100 source gets reorganized in order to support the
    VisionFive V1 board.
 
  - Minor updates and cleanups for Intel SoCFPGA, Marvell PXA168,
    TI, ST, NXP, Apple, Broadcom, Juno, Marvell MVEBU, at91, nuvoton,
    Tegra, Mediatek, Renesas, Hisilicon, Allwinner, Samsung, ux500,
    spear, ...  The treewide cleanups now have a lot of fixes for cache
    nodes and other binding violoations.
 
  - Somewhat larger sets of reworks for NVIDIA Tegra, Qualcomm
    and Renesas platforms, adding a lot more on-chip device support
 
  - A rework of the way that DTB overlays are built.
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Merge tag 'soc-dt-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC DT updates from Arnd Bergmann:
 "The devicetree changes contain exactly 1000 non-merge changesets,
  including a number of new arm64 SoC variants from Qualcomm and Apple,
  as well as the Renesas r9a07g043f/u chip in both arm64 and riscv
  variants.

  While we have occasionally merged support for non-arm SoCs in the
  past, this is now the normal path for riscv devicetree files.

  The most notable changes, by SoC platform, are:

   - The Apple T6000 (M1 Pro), T6001 (M1 Max) and T6002 (M1 Ultra) chips
     now have initial support. This is particularly nice as I am typing
     this on a T6002 Mac Studio with only a small number of driver
     patches.

   - Qualcomm MSM8996 Pro (Snapdragon 821), SM6115 (Snapdragon 662),
     SM4250 (Snapdragon 460), SM6375 (Snapdragon 695), SDM670
     (Snapdragon 670), MSM8976 (Snapdragon 652) and MSM8956 (Snapdragon
     650) are all mobile phone chips that are closely related to others
     we already support.

     Adding those helps support more phones and we add several models
     from Sony (Xperia 10 IV, 5 IV, X, and X compact), OnePlus (One, 3,
     3T, and Nord N100), Xiaomi (Poco F1, Mi6), Huawei (Watch) and
     Google (Pixel 3a).

     There are also new variants of the Herobrine and Trogdor chromebook
     motherboards. SA8540P is an automotive SoC used in the Qdrive-3
     development platform

   - Rockchips gains no new SoC variants, but a lot of new boards: three
     mobile gaming systems based on RK3326 Odroid-Go/rg351 family, two
     more Anbernic gaming systems based on RK3566 and a number of other
     RK356x based single-board computers.

   - Renesas RZ/G2UL (r9a07g043) was already supported for arm64, but as
     the newly added RZ/Five is based on the same design, this now gets
     reorganized in order to share most of the dts description between
     the two and add the RZ/Five SMARC EVK board support.

  Aside from that, there are the usual changes all over the tree:

   - New boards on other platforms contain two ASpeed BMC users, two
     Broadcom based Wifi routers, Zyxel NSA310S NAS, the i.MX6 based
     Kobo Aura2 ebook reader, two i.MX8 based development boards, two
     Uniphier Pro5 development boards, the STM32MP1 testbench board from
     DHCOR, the TI K3 based BeagleBone AI-64 board, and the Mediatek
     Helio X10 based Sony Xperia M5 phone.

   - The Starfive JH7100 source gets reorganized in order to support the
     VisionFive V1 board.

   - Minor updates and cleanups for Intel SoCFPGA, Marvell PXA168, TI,
     ST, NXP, Apple, Broadcom, Juno, Marvell MVEBU, at91, nuvoton,
     Tegra, Mediatek, Renesas, Hisilicon, Allwinner, Samsung, ux500,
     spear, ... The treewide cleanups now have a lot of fixes for cache
     nodes and other binding violoations.

   - Somewhat larger sets of reworks for NVIDIA Tegra, Qualcomm and
     Renesas platforms, adding a lot more on-chip device support

   - A rework of the way that DTB overlays are built"

* tag 'soc-dt-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (979 commits)
  arm64: dts: apple: t6002: Fix GPU power domains
  arm64: dts: apple: t600x-pmgr: Fix search & replace typo
  arm64: dts: apple: Add t8103 L1/L2 cache properties and nodes
  arm64: dts: apple: Rename dart-sio* to sio-dart*
  arch: arm64: apple: t600x: Use standard "iommu" node name
  arch: arm64: apple: t8103: Use standard "iommu" node name
  ARM: dts: socfpga: Fix pca9548 i2c-mux node name
  dt-bindings: iio: adc: qcom,spmi-vadc: fix PM8350 define
  dt-bindings: iio: adc: qcom,spmi-vadc: extend example
  arm64: dts: qcom: sc8280xp: fix UFS DMA coherency
  arm64: dts: qcom: sc7280: Add DT for sc7280-herobrine-zombie
  arm64: dts: qcom: sm8250-sony-xperia-edo: fix no-mmc property for SDHCI
  arm64: dts: qcom: sdm845-sony-xperia-tama: fix no-mmc property for SDHCI
  arm64: dts: qcom: sda660-inforce-ifc6560: fix no-mmc property for SDHCI
  arm64: dts: qcom: sa8155p-adp: fix no-mmc property for SDHCI
  arm64: dts: qcom: qrb5165-rb: fix no-mmc property for SDHCI
  arm64: dts: qcom: sm8450: align MMC node names with dtschema
  arm64: dts: qcom: sc7180-trogdor: use generic node names
  arm64: dts: qcom: sm8450-hdk: add sound support
  arm64: dts: qcom: sm8450: add Soundwire and LPASS
  ...
2022-12-12 10:21:03 -08:00