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129,681 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
506c30790f |
block-5.13-2021-05-09
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||
|
Linus Torvalds
|
732a27a089 |
A set of locking related fixes and updates:
- Two fixes for the futex syscall related to the timeout handling.
FUTEX_LOCK_PI does not support the FUTEX_CLOCK_REALTIME bit and because
it's not set the time namespace adjustment for clock MONOTONIC is
applied wrongly.
FUTEX_WAIT cannot support the FUTEX_CLOCK_REALTIME bit because its
always a relative timeout.
- Cleanups in the futex syscall entry points which became obvious when
the two timeout handling bugs were fixed.
- Cleanup of queued_write_lock_slowpath() as suggested by Linus
- Fixup of the smp_call_function_single_async() prototype
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Merge tag 'locking-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"A set of locking related fixes and updates:
- Two fixes for the futex syscall related to the timeout handling.
FUTEX_LOCK_PI does not support the FUTEX_CLOCK_REALTIME bit and
because it's not set the time namespace adjustment for clock
MONOTONIC is applied wrongly.
FUTEX_WAIT cannot support the FUTEX_CLOCK_REALTIME bit because its
always a relative timeout.
- Cleanups in the futex syscall entry points which became obvious
when the two timeout handling bugs were fixed.
- Cleanup of queued_write_lock_slowpath() as suggested by Linus
- Fixup of the smp_call_function_single_async() prototype"
* tag 'locking-urgent-2021-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Make syscall entry points less convoluted
futex: Get rid of the val2 conditional dance
futex: Do not apply time namespace adjustment on FUTEX_LOCK_PI
Revert
|
||
|
Linus Torvalds
|
dd3e4012dd |
- Fix guest vtime accounting so that ticks happening while the guest is running
can also be accounted to it. Along with a consolidation to the guest-specific context
tracking helpers.
- Provide for the host NMI handler running after a VMX VMEXIT to be able to run
on the kernel stack correctly.
- Initialize MSR_TSC_AUX when RDPID is supported and not RDTSCP (virt relevant -
real hw supports both)
- A code generation improvement to TASK_SIZE_MAX through the use of alternatives
- The usual misc. and related cleanups and improvements
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Merge tag 'x86_urgent_for_v5.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"A bunch of things accumulated for x86 in the last two weeks:
- Fix guest vtime accounting so that ticks happening while the guest
is running can also be accounted to it. Along with a consolidation
to the guest-specific context tracking helpers.
- Provide for the host NMI handler running after a VMX VMEXIT to be
able to run on the kernel stack correctly.
- Initialize MSR_TSC_AUX when RDPID is supported and not RDTSCP (virt
relevant - real hw supports both)
- A code generation improvement to TASK_SIZE_MAX through the use of
alternatives
- The usual misc and related cleanups and improvements"
* tag 'x86_urgent_for_v5.13_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
KVM: x86: Consolidate guest enter/exit logic to common helpers
context_tracking: KVM: Move guest enter/exit wrappers to KVM's domain
context_tracking: Consolidate guest enter/exit wrappers
sched/vtime: Move guest enter/exit vtime accounting to vtime.h
sched/vtime: Move vtime accounting external declarations above inlines
KVM: x86: Defer vtime accounting 'til after IRQ handling
context_tracking: Move guest exit vtime accounting to separate helpers
context_tracking: Move guest exit context tracking to separate helpers
KVM/VMX: Invoke NMI non-IST entry instead of IST entry
x86/cpu: Remove write_tsc() and write_rdtscp_aux() wrappers
x86/cpu: Initialize MSR_TSC_AUX if RDTSCP *or* RDPID is supported
x86/resctrl: Fix init const confusion
x86: Delete UD0, UD1 traces
x86/smpboot: Remove duplicate includes
x86/cpu: Use alternative to generate the TASK_SIZE_MAX constant
|
||
Jens Axboe
|
35c820e715 |
Revert "bio: limit bio max size"
This reverts commit
|
||
|
Linus Torvalds
|
07db05638a |
SCSI misc on 20210508
This is a set of minor fixes in various drivers (qla2xxx, ufs, scsi_debug, lpfc) one doc fix and a fairly large update to the fnic driver to remove the open coded iteration functions in favour of the scsi provided ones. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCYJa23iYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishVhnAP0WVxjv V+L6SAyssgzN3Nbq/nY18qMU1/yeA5jVljRW1gD+JaQKpkOmU+lsldauwW2a3v0G 9XPGTricrtYOu1j3t7c= =F0aC -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull more SCSI updates from James Bottomley: "This is a set of minor fixes in various drivers (qla2xxx, ufs, scsi_debug, lpfc) one doc fix and a fairly large update to the fnic driver to remove the open coded iteration functions in favour of the scsi provided ones" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: fnic: Use scsi_host_busy_iter() to traverse commands scsi: fnic: Kill 'exclude_id' argument to fnic_cleanup_io() scsi: scsi_debug: Fix cmd_per_lun, set to max_queue scsi: ufs: core: Narrow down fast path in system suspend path scsi: ufs: core: Cancel rpm_dev_flush_recheck_work during system suspend scsi: ufs: core: Do not put UFS power into LPM if link is broken scsi: qla2xxx: Prevent PRLI in target mode scsi: qla2xxx: Add marginal path handling support scsi: target: tcmu: Return from tcmu_handle_completions() if cmd_id not found scsi: ufs: core: Fix a typo in ufs-sysfs.c scsi: lpfc: Fix bad memory access during VPD DUMP mailbox command scsi: lpfc: Fix DMA virtual address ptr assignment in bsg scsi: lpfc: Fix illegal memory access on Abort IOCBs scsi: blk-mq: Fix build warning when making htmldocs |
||
|
Linus Torvalds
|
0f979d815c |
Kbuild updates for v5.13 (2nd)
- Convert sh and sparc to use generic shell scripts to generate the
syscall headers
- refactor .gitignore files
- Update kernel/config_data.gz only when the content of the .config is
really changed, which avoids the unneeded re-link of vmlinux
- move "remove stale files" workarounds to scripts/remove-stale-files
- suppress unused-but-set-variable warnings by default for Clang as well
- fix locale setting LANG=C to LC_ALL=C
- improve 'make distclean'
- always keep intermediate objects from scripts/link-vmlinux.sh
- move IF_ENABLED out of <linux/kconfig.h> to make it self-contained
- misc cleanups
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Merge tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- Convert sh and sparc to use generic shell scripts to generate the
syscall headers
- refactor .gitignore files
- Update kernel/config_data.gz only when the content of the .config
is really changed, which avoids the unneeded re-link of vmlinux
- move "remove stale files" workarounds to scripts/remove-stale-files
- suppress unused-but-set-variable warnings by default for Clang
as well
- fix locale setting LANG=C to LC_ALL=C
- improve 'make distclean'
- always keep intermediate objects from scripts/link-vmlinux.sh
- move IF_ENABLED out of <linux/kconfig.h> to make it self-contained
- misc cleanups
* tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (25 commits)
linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>
kbuild: Don't remove link-vmlinux temporary files on exit/signal
kbuild: remove the unneeded comments for external module builds
kbuild: make distclean remove tag files in sub-directories
kbuild: make distclean work against $(objtree) instead of $(srctree)
kbuild: refactor modname-multi by using suffix-search
kbuild: refactor fdtoverlay rule
kbuild: parameterize the .o part of suffix-search
arch: use cross_compiling to check whether it is a cross build or not
kbuild: remove ARCH=sh64 support from top Makefile
.gitignore: prefix local generated files with a slash
kbuild: replace LANG=C with LC_ALL=C
Makefile: Move -Wno-unused-but-set-variable out of GCC only block
kbuild: add a script to remove stale generated files
kbuild: update config_data.gz only when the content of .config is changed
.gitignore: ignore only top-level modules.builtin
.gitignore: move tags and TAGS close to other tag files
kernel/.gitgnore: remove stale timeconst.h and hz.bc
usr/include: refactor .gitignore
genksyms: fix stale comment
...
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||
|
Linus Torvalds
|
fc858a5231 |
Networking fixes for 5.13-rc1, including fixes from bpf, can
and netfilter trees. Self-contained fixes, nothing risky.
Current release - new code bugs:
- dsa: ksz: fix a few bugs found by static-checker in the new driver
- stmmac: fix frame preemption handshake not triggering after
interface restart
Previous releases - regressions:
- make nla_strcmp handle more then one trailing null character
- fix stack OOB reads while fragmenting IPv4 packets in openvswitch
and net/sched
- sctp: do asoc update earlier in sctp_sf_do_dupcook_a
- sctp: delay auto_asconf init until binding the first addr
- stmmac: clear receive all(RA) bit when promiscuous mode is off
- can: mcp251x: fix resume from sleep before interface was brought up
Previous releases - always broken:
- bpf: fix leakage of uninitialized bpf stack under speculation
- bpf: fix masking negation logic upon negative dst register
- netfilter: don't assume that skb_header_pointer() will never fail
- only allow init netns to set default tcp cong to a restricted algo
- xsk: fix xp_aligned_validate_desc() when len == chunk_size to
avoid false positive errors
- ethtool: fix missing NLM_F_MULTI flag when dumping
- can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
- sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
- bridge: fix NULL-deref caused by a races between assigning
rx_handler_data and setting the IFF_BRIDGE_PORT bit
Latecomer:
- seg6: add counters support for SRv6 Behaviors
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.13-rc1, including fixes from bpf, can and
netfilter trees. Self-contained fixes, nothing risky.
Current release - new code bugs:
- dsa: ksz: fix a few bugs found by static-checker in the new driver
- stmmac: fix frame preemption handshake not triggering after
interface restart
Previous releases - regressions:
- make nla_strcmp handle more then one trailing null character
- fix stack OOB reads while fragmenting IPv4 packets in openvswitch
and net/sched
- sctp: do asoc update earlier in sctp_sf_do_dupcook_a
- sctp: delay auto_asconf init until binding the first addr
- stmmac: clear receive all(RA) bit when promiscuous mode is off
- can: mcp251x: fix resume from sleep before interface was brought up
Previous releases - always broken:
- bpf: fix leakage of uninitialized bpf stack under speculation
- bpf: fix masking negation logic upon negative dst register
- netfilter: don't assume that skb_header_pointer() will never fail
- only allow init netns to set default tcp cong to a restricted algo
- xsk: fix xp_aligned_validate_desc() when len == chunk_size to avoid
false positive errors
- ethtool: fix missing NLM_F_MULTI flag when dumping
- can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
- sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
- bridge: fix NULL-deref caused by a races between assigning
rx_handler_data and setting the IFF_BRIDGE_PORT bit
Latecomer:
- seg6: add counters support for SRv6 Behaviors"
* tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (73 commits)
atm: firestream: Use fallthrough pseudo-keyword
net: stmmac: Do not enable RX FIFO overflow interrupts
mptcp: fix splat when closing unaccepted socket
i40e: Remove LLDP frame filters
i40e: Fix PHY type identifiers for 2.5G and 5G adapters
i40e: fix the restart auto-negotiation after FEC modified
i40e: Fix use-after-free in i40e_client_subtask()
i40e: fix broken XDP support
netfilter: nftables: avoid potential overflows on 32bit arches
netfilter: nftables: avoid overflows in nft_hash_buckets()
tcp: Specify cmsgbuf is user pointer for receive zerocopy.
mlxsw: spectrum_mr: Update egress RIF list before route's action
net: ipa: fix inter-EE IRQ register definitions
can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
can: mcp251x: fix resume from sleep before interface was brought up
can: mcp251xfd: mcp251xfd_probe(): add missing can_rx_offload_del() in error path
can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe
netfilter: nftables: Fix a memleak from userdata error path in new objects
netfilter: remove BUG_ON() after skb_header_pointer()
netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check
...
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||
Masahiro Yamada
|
0ab1438bad |
linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>
<linux/kconfig.h> is included from all the kernel-space source files, including C, assembly, linker scripts. It is intended to contain a minimal set of macros to evaluate CONFIG options. IF_ENABLED() is an intruder here because (x ? y : z) is C code, which should not be included from assembly files or linker scripts. Also, <linux/kconfig.h> is no longer self-contained because NULL is defined in <linux/stddef.h>. Move IF_ENABLED() out to <linux/kernel.h> as PTR_IF(). PTF_IF() takes the general boolean expression instead of a CONFIG option so that it fits better in <linux/kernel.h>. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org> |
||
Jakub Kicinski
|
55bc1af3d9 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says: ==================== Netfilter fixes for net 1) Add SECMARK revision 1 to fix incorrect layout that prevents from remove rule with this target, from Phil Sutter. 2) Fix pernet exit path spat in arptables, from Florian Westphal. 3) Missing rcu_read_unlock() for unknown nfnetlink callbacks, reported by syzbot, from Eric Dumazet. 4) Missing check for skb_header_pointer() NULL pointer in nfnetlink_osf. 5) Remove BUG_ON() after skb_header_pointer() from packet path in several conntrack helper and the TCP tracker. 6) Fix memleak in the new object error path of userdata. 7) Avoid overflows in nft_hash_buckets(), reported by syzbot, also from Eric. 8) Avoid overflows in 32bit arches, from Eric. * git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf: netfilter: nftables: avoid potential overflows on 32bit arches netfilter: nftables: avoid overflows in nft_hash_buckets() netfilter: nftables: Fix a memleak from userdata error path in new objects netfilter: remove BUG_ON() after skb_header_pointer() netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check netfilter: nfnetlink: add a missing rcu_read_unlock() netfilter: arptables: use pernet ops struct during unregister netfilter: xt_SECMARK: add new revision to fix structure layout ==================== Link: https://lore.kernel.org/r/20210507174739.1850-1-pablo@netfilter.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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|
Linus Torvalds
|
dd860052c9 |
chrome platform changes for 5.13
cros_ec_typec: * Changes around DP mode check, hard reset, tracking port change. cros_ec misc: * wilco_ec: Convert stream-like files from nonseekable to stream open * cros_usbpd_notify: Listen to EC_HSOT_EVENT_USB_MUX host event * fix format warning in cros_ec_typec -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQCtZK6p/AktxXfkOlzbaomhzOwwgUCYJWylAAKCRBzbaomhzOw ws4SAQD9Alp6FpY6ne62JRHCyQBdEHwDWGQGBvE8NRkHSRcSWAD8C5vgBLGX7Zx8 wLfzrZ6x3BKGkOJuuk3+zhVu8He7WQQ= =caTR -----END PGP SIGNATURE----- Merge tag 'tag-chrome-platform-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux Pull chrome platform updates from Benson Leung: "cros_ec_typec: - Changes around DP mode check, hard reset, tracking port change. cros_ec misc: - wilco_ec: Convert stream-like files from nonseekable to stream open - cros_usbpd_notify: Listen to EC_HSOT_EVENT_USB_MUX host event - fix format warning in cros_ec_typec" * tag 'tag-chrome-platform-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: platform/chrome: cros_ec_lpc: Use DEFINE_MUTEX() for mutex lock platform/chrome: cros_usbpd_notify: Listen to EC_HOST_EVENT_USB_MUX host event platform/chrome: cros_ec_typec: Add DP mode check platform/chrome: cros_ec_typec: Handle hard reset platform/chrome: cros_ec: Add Type C hard reset platform/chrome: cros_ec_typec: Track port role platform/chrome: cros_ec_typec: fix clang -Wformat warning platform/chrome: cros_ec_typec: Check for device within remove function platform/chrome: wilco_ec: convert stream-like files from nonseekable_open -> stream_open |
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Linus Torvalds
|
bd313968fd |
block-5.13-2021-05-07
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Merge tag 'block-5.13-2021-05-07' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- dasd spelling fixes (Bhaskar)
- Limit bio max size on multi-page bvecs to the hardware limit, to
avoid overly large bio's (and hence latencies). Originally queued for
the merge window, but needed a fix and was dropped from the initial
pull (Changheun)
- NVMe pull request (Christoph):
- reset the bdev to ns head when failover (Daniel Wagner)
- remove unsupported command noise (Keith Busch)
- misc passthrough improvements (Kanchan Joshi)
- fix controller ioctl through ns_head (Minwoo Im)
- fix controller timeouts during reset (Tao Chiu)
- rnbd fixes/cleanups (Gioh, Md, Dima)
- Fix iov_iter re-expansion (yangerkun)
* tag 'block-5.13-2021-05-07' of git://git.kernel.dk/linux-block:
block: reexpand iov_iter after read/write
nvmet: remove unsupported command noise
nvme-multipath: reset bdev to ns head when failover
nvme-pci: fix controller reset hang when racing with nvme_timeout
nvme: move the fabrics queue ready check routines to core
nvme: avoid memset for passthrough requests
nvme: add nvme_get_ns helper
nvme: fix controller ioctl through ns_head
bio: limit bio max size
RDMA/rtrs: fix uninitialized symbol 'cnt'
s390: dasd: Mundane spelling fixes
block/rnbd: Remove all likely and unlikely
block/rnbd-clt: Check the return value of the function rtrs_clt_query
block/rnbd: Fix style issues
block/rnbd-clt: Change queue_depth type in rnbd_clt_session to size_t
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Linus Torvalds
|
a647034fe2 |
NFS client updates for Linux 5.13
Highlights include:
Stable fixes:
- Add validation of the UDP retrans parameter to prevent shift out-of-bounds
- Don't discard pNFS layout segments that are marked for return
Bugfixes:
- Fix a NULL dereference crash in xprt_complete_bc_request() when the
NFSv4.1 server misbehaves.
- Fix the handling of NFS READDIR cookie verifiers
- Sundry fixes to ensure attribute revalidation works correctly when the
server does not return post-op attributes.
- nfs4_bitmask_adjust() must not change the server global bitmasks
- Fix major timeout handling in the RPC code.
- NFSv4.2 fallocate() fixes.
- Fix the NFSv4.2 SEEK_HOLE/SEEK_DATA end-of-file handling
- Copy offload attribute revalidation fixes
- Fix an incorrect filehandle size check in the pNFS flexfiles driver
- Fix several RDMA transport setup/teardown races
- Fix several RDMA queue wrapping issues
- Fix a misplaced memory read barrier in sunrpc's call_decode()
Features:
- Micro optimisation of the TCP transmission queue using TCP_CORK
- statx() performance improvements by further splitting up the tracking
of invalid cached file metadata.
- Support the NFSv4.2 "change_attr_type" attribute and use it to
optimise handling of change attribute updates.
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Merge tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
Stable fixes:
- Add validation of the UDP retrans parameter to prevent shift
out-of-bounds
- Don't discard pNFS layout segments that are marked for return
Bugfixes:
- Fix a NULL dereference crash in xprt_complete_bc_request() when the
NFSv4.1 server misbehaves.
- Fix the handling of NFS READDIR cookie verifiers
- Sundry fixes to ensure attribute revalidation works correctly when
the server does not return post-op attributes.
- nfs4_bitmask_adjust() must not change the server global bitmasks
- Fix major timeout handling in the RPC code.
- NFSv4.2 fallocate() fixes.
- Fix the NFSv4.2 SEEK_HOLE/SEEK_DATA end-of-file handling
- Copy offload attribute revalidation fixes
- Fix an incorrect filehandle size check in the pNFS flexfiles driver
- Fix several RDMA transport setup/teardown races
- Fix several RDMA queue wrapping issues
- Fix a misplaced memory read barrier in sunrpc's call_decode()
Features:
- Micro optimisation of the TCP transmission queue using TCP_CORK
- statx() performance improvements by further splitting up the
tracking of invalid cached file metadata.
- Support the NFSv4.2 'change_attr_type' attribute and use it to
optimise handling of change attribute updates"
* tag 'nfs-for-5.13-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (85 commits)
xprtrdma: Fix a NULL dereference in frwr_unmap_sync()
sunrpc: Fix misplaced barrier in call_decode
NFSv4.2: Remove ifdef CONFIG_NFSD from NFSv4.2 client SSC code.
xprtrdma: Move fr_mr field to struct rpcrdma_mr
xprtrdma: Move the Work Request union to struct rpcrdma_mr
xprtrdma: Move fr_linv_done field to struct rpcrdma_mr
xprtrdma: Move cqe to struct rpcrdma_mr
xprtrdma: Move fr_cid to struct rpcrdma_mr
xprtrdma: Remove the RPC/RDMA QP event handler
xprtrdma: Don't display r_xprt memory addresses in tracepoints
xprtrdma: Add an rpcrdma_mr_completion_class
xprtrdma: Add tracepoints showing FastReg WRs and remote invalidation
xprtrdma: Avoid Send Queue wrapping
xprtrdma: Do not wake RPC consumer on a failed LocalInv
xprtrdma: Do not recycle MR after FastReg/LocalInv flushes
xprtrdma: Clarify use of barrier in frwr_wc_localinv_done()
xprtrdma: Rename frwr_release_mr()
xprtrdma: rpcrdma_mr_pop() already does list_del_init()
xprtrdma: Delete rpcrdma_recv_buffer_put()
xprtrdma: Fix cwnd update ordering
...
|
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|
Linus Torvalds
|
a48b0872e6 |
Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton: "This is everything else from -mm for this merge window. 90 patches. Subsystems affected by this patch series: mm (cleanups and slub), alpha, procfs, sysctl, misc, core-kernel, bitmap, lib, compat, checkpatch, epoll, isofs, nilfs2, hpfs, exit, fork, kexec, gcov, panic, delayacct, gdb, resource, selftests, async, initramfs, ipc, drivers/char, and spelling" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (90 commits) mm: fix typos in comments mm: fix typos in comments treewide: remove editor modelines and cruft ipc/sem.c: spelling fix fs: fat: fix spelling typo of values kernel/sys.c: fix typo kernel/up.c: fix typo kernel/user_namespace.c: fix typos kernel/umh.c: fix some spelling mistakes include/linux/pgtable.h: few spelling fixes mm/slab.c: fix spelling mistake "disired" -> "desired" scripts/spelling.txt: add "overflw" scripts/spelling.txt: Add "diabled" typo scripts/spelling.txt: add "overlfow" arm: print alloc free paths for address in registers mm/vmalloc: remove vwrite() mm: remove xlate_dev_kmem_ptr() drivers/char: remove /dev/kmem for good mm: fix some typos and code style problems ipc/sem.c: mundane typo fixes ... |
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Ingo Molnar
|
f0953a1bba |
mm: fix typos in comments
Fix ~94 single-word typos in locking code comments, plus a few very obvious grammar mistakes. Link: https://lkml.kernel.org/r/20210322212624.GA1963421@gmail.com Link: https://lore.kernel.org/r/20210322205203.GB1959563@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Cc: Bhaskar Chowdhury <unixbhaskar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Masahiro Yamada
|
fa60ce2cb4 |
treewide: remove editor modelines and cruft
The section "19) Editor modelines and other cruft" in Documentation/process/coding-style.rst clearly says, "Do not include any of these in source files." I recently receive a patch to explicitly add a new one. Let's do treewide cleanups, otherwise some people follow the existing code and attempt to upstream their favoriate editor setups. It is even nicer if scripts/checkpatch.pl can check it. If we like to impose coding style in an editor-independent manner, I think editorconfig (patch [1]) is a saner solution. [1] https://lore.kernel.org/lkml/20200703073143.423557-1-danny@kdrag0n.dev/ Link: https://lkml.kernel.org/r/20210324054457.1477489-1-masahiroy@kernel.org Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> [auxdisplay] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Bhaskar Chowdhury
|
2eb70aab25 |
include/linux/pgtable.h: few spelling fixes
Few spelling fixes throughout the file. Link: https://lkml.kernel.org/r/20210318201404.6380-1-unixbhaskar@gmail.com Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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David Hildenbrand
|
f7c8ce44eb |
mm/vmalloc: remove vwrite()
The last user (/dev/kmem) is gone. Let's drop it. Link: https://lkml.kernel.org/r/20210324102351.6932-4-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Hillf Danton <hdanton@sina.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Minchan Kim <minchan@kernel.org> Cc: huang ying <huang.ying.caritas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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David Hildenbrand
|
f2e762bab9 |
mm: remove xlate_dev_kmem_ptr()
Since /dev/kmem has been removed, let's remove the xlate_dev_kmem_ptr() leftovers. Link: https://lkml.kernel.org/r/20210324102351.6932-3-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Brian Cain <bcain@codeaurora.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David Hildenbrand <david@redhat.com> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Palmer Dabbelt <palmerdabbelt@google.com> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Niklas Schnelle <schnelle@linux.ibm.com> Cc: Pierre Morel <pmorel@linux.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
David Hildenbrand
|
bbcd53c960 |
drivers/char: remove /dev/kmem for good
Patch series "drivers/char: remove /dev/kmem for good". Exploring /dev/kmem and /dev/mem in the context of memory hot(un)plug and memory ballooning, I started questioning the existence of /dev/kmem. Comparing it with the /proc/kcore implementation, it does not seem to be able to deal with things like a) Pages unmapped from the direct mapping (e.g., to be used by secretmem) -> kern_addr_valid(). virt_addr_valid() is not sufficient. b) Special cases like gart aperture memory that is not to be touched -> mem_pfn_is_ram() Unless I am missing something, it's at least broken in some cases and might fault/crash the machine. Looks like its existence has been questioned before in 2005 and 2010 [1], after ~11 additional years, it might make sense to revive the discussion. CONFIG_DEVKMEM is only enabled in a single defconfig (on purpose or by mistake?). All distributions disable it: in Ubuntu it has been disabled for more than 10 years, in Debian since 2.6.31, in Fedora at least starting with FC3, in RHEL starting with RHEL4, in SUSE starting from 15sp2, and OpenSUSE has it disabled as well. 1) /dev/kmem was popular for rootkits [2] before it got disabled basically everywhere. Ubuntu documents [3] "There is no modern user of /dev/kmem any more beyond attackers using it to load kernel rootkits.". RHEL documents in a BZ [5] "it served no practical purpose other than to serve as a potential security problem or to enable binary module drivers to access structures/functions they shouldn't be touching" 2) /proc/kcore is a decent interface to have a controlled way to read kernel memory for debugging puposes. (will need some extensions to deal with memory offlining/unplug, memory ballooning, and poisoned pages, though) 3) It might be useful for corner case debugging [1]. KDB/KGDB might be a better fit, especially, to write random memory; harder to shoot yourself into the foot. 4) "Kernel Memory Editor" [4] hasn't seen any updates since 2000 and seems to be incompatible with 64bit [1]. For educational purposes, /proc/kcore might be used to monitor value updates -- or older kernels can be used. 5) It's broken on arm64, and therefore, completely disabled there. Looks like it's essentially unused and has been replaced by better suited interfaces for individual tasks (/proc/kcore, KDB/KGDB). Let's just remove it. [1] https://lwn.net/Articles/147901/ [2] https://www.linuxjournal.com/article/10505 [3] https://wiki.ubuntu.com/Security/Features#A.2Fdev.2Fkmem_disabled [4] https://sourceforge.net/projects/kme/ [5] https://bugzilla.redhat.com/show_bug.cgi?id=154796 Link: https://lkml.kernel.org/r/20210324102351.6932-1-david@redhat.com Link: https://lkml.kernel.org/r/20210324102351.6932-2-david@redhat.com Signed-off-by: David Hildenbrand <david@redhat.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Alexander A. Klimov" <grandmaster@al2klimov.de> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Brian Cain <bcain@codeaurora.org> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Chris Zankel <chris@zankel.net> Cc: Corentin Labbe <clabbe@baylibre.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Greentime Hu <green.hu@gmail.com> Cc: Gregory Clement <gregory.clement@bootlin.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Hillf Danton <hdanton@sina.com> Cc: huang ying <huang.ying.caritas@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: James Troup <james.troup@canonical.com> Cc: Jiaxun Yang <jiaxun.yang@flygoat.com> Cc: Jonas Bonn <jonas@southpole.se> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kairui Song <kasong@redhat.com> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Cc: Luis Chamberlain <mcgrof@kernel.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Mike Rapoport <rppt@kernel.org> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Niklas Schnelle <schnelle@linux.ibm.com> Cc: Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com> Cc: openrisc@lists.librecores.org Cc: Palmer Dabbelt <palmerdabbelt@google.com> Cc: Paul Mackerras <paulus@samba.org> Cc: "Pavel Machek (CIP)" <pavel@denx.de> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org> Cc: Pierre Morel <pmorel@linux.ibm.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Rich Felker <dalias@libc.org> Cc: Robert Richter <rric@kernel.org> Cc: Rob Herring <robh@kernel.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Cc: sparclinux@vger.kernel.org Cc: Stafford Horne <shorne@gmail.com> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Theodore Dubois <tblodt@icloud.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: William Cohen <wcohen@redhat.com> Cc: Xiaoming Ni <nixiaoming@huawei.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Shijie Luo
|
cb152a1a95 |
mm: fix some typos and code style problems
fix some typos and code style problems in mm. gfp.h: s/MAXNODES/MAX_NUMNODES mmzone.h: s/then/than rmap.c: s/__vma_split()/__vma_adjust() swap.c: s/__mod_zone_page_stat/__mod_zone_page_state, s/is is/is swap_state.c: s/whoes/whose z3fold.c: code style problem fix in z3fold_unregister_migration zsmalloc.c: s/of/or, s/give/given Link: https://lkml.kernel.org/r/20210419083057.64820-1-luoshijie1@huawei.com Signed-off-by: Shijie Luo <luoshijie1@huawei.com> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Rasmus Villemoes
|
e7cb072eb9 |
init/initramfs.c: do unpacking asynchronously
Patch series "background initramfs unpacking, and CONFIG_MODPROBE_PATH", v3. These two patches are independent, but better-together. The second is a rather trivial patch that simply allows the developer to change "/sbin/modprobe" to something else - e.g. the empty string, so that all request_module() during early boot return -ENOENT early, without even spawning a usermode helper, needlessly synchronizing with the initramfs unpacking. The first patch delegates decompressing the initramfs to a worker thread, allowing do_initcalls() in main.c to proceed to the device_ and late_ initcalls without waiting for that decompression (and populating of rootfs) to finish. Obviously, some of those later calls may rely on the initramfs being available, so I've added synchronization points in the firmware loader and usermodehelper paths - there might be other places that would need this, but so far no one has been able to think of any places I have missed. There's not much to win if most of the functionality needed during boot is only available as modules. But systems with a custom-made .config and initramfs can boot faster, partly due to utilizing more than one cpu earlier, partly by avoiding known-futile modprobe calls (which would still trigger synchronization with the initramfs unpacking, thus eliminating most of the first benefit). This patch (of 2): Most of the boot process doesn't actually need anything from the initramfs, until of course PID1 is to be executed. So instead of doing the decompressing and populating of the initramfs synchronously in populate_rootfs() itself, push that off to a worker thread. This is primarily motivated by an embedded ppc target, where unpacking even the rather modest sized initramfs takes 0.6 seconds, which is long enough that the external watchdog becomes unhappy that it doesn't get attention soon enough. By doing the initramfs decompression in a worker thread, we get to do the device_initcalls and hence start petting the watchdog much sooner. Normal desktops might benefit as well. On my mostly stock Ubuntu kernel, my initramfs is a 26M xz-compressed blob, decompressing to around 126M. That takes almost two seconds: [ 0.201454] Trying to unpack rootfs image as initramfs... [ 1.976633] Freeing initrd memory: 29416K Before this patch, these lines occur consecutively in dmesg. With this patch, the timestamps on these two lines is roughly the same as above, but with 172 lines inbetween - so more than one cpu has been kept busy doing work that would otherwise only happen after the populate_rootfs() finished. Should one of the initcalls done after rootfs_initcall time (i.e., device_ and late_ initcalls) need something from the initramfs (say, a kernel module or a firmware blob), it will simply wait for the initramfs unpacking to be done before proceeding, which should in theory make this completely safe. But if some driver pokes around in the filesystem directly and not via one of the official kernel interfaces (i.e. request_firmware*(), call_usermodehelper*) that theory may not hold - also, I certainly might have missed a spot when sprinkling wait_for_initramfs(). So there is an escape hatch in the form of an initramfs_async= command line parameter. Link: https://lkml.kernel.org/r/20210313212528.2956377-1-linux@rasmusvillemoes.dk Link: https://lkml.kernel.org/r/20210313212528.2956377-2-linux@rasmusvillemoes.dk Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Cc: Jessica Yu <jeyu@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Takashi Iwai <tiwai@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Rasmus Villemoes
|
a065c0faac |
kernel/async.c: remove async_unregister_domain()
No callers in the tree. Link: https://lkml.kernel.org/r/20210309151723.1907838-2-linux@rasmusvillemoes.dk Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Yafang Shao
|
3d1c7fd97e |
delayacct: clear right task's flag after blkio completes
When I was implementing a latency analyzer tool by using task->delays and other things, I found an issue in delayacct. The issue is it should clear the target's flag instead of current's in delayacct_blkio_end(). When I git blame delayacct, I found there're some similar issues we have fixed in delayacct_blkio_end(). - Commit |
||
He Ying
|
6f1f942cd5 |
smp: kernel/panic.c - silence warnings
We found these warnings in kernel/panic.c by using sparse tool: warning: symbol 'panic_smp_self_stop' was not declared. warning: symbol 'nmi_panic_self_stop' was not declared. warning: symbol 'crash_smp_send_stop' was not declared. To avoid them, add declarations for these three functions in include/linux/smp.h. Link: https://lkml.kernel.org/r/20210316084150.75201-1-heying24@huawei.com Signed-off-by: He Ying <heying24@huawei.com> Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Linus Torvalds
|
05da1f643f |
More new code for 5.13-rc1:
- Remove the now unused "io_private" field from struct iomap_ioend, for a modest savings in memory allocation. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEUzaAxoMeQq6m2jMV+H93GTRKtOsFAmCRdGYACgkQ+H93GTRK tOuhBxAAptj7EjQivnQno69kWqbhjOOKZOH40BuwMsufq8XhZkn36rnkt7y3P3B8 WUeWkrBwhFW83UIg+L4Sb7BSCzVXqjqbnCffi8g9MTyuysuHk+3DlAHX0125x1DI z/16F+RVBajD6Ee8D3OIIhJQmFiNw7ERhHHbDuwpc+n4Wown1UwzROTp1S8DIvdJ LFGi0JzbE1++vngARkRidLjp2digS8fioyw+dIeTzLG+fSgnb00ZdybE/g/b5ZqQ PJH/23GFBlo5AuDhxDuhNOzqqC9ensG+n9hUNdaKzxAiYD5T7WSh7y69f/zmZJE/ xLNgXE76QNtkjGUzeCil9lQ9muQxUNBDNnpHJim4ILI8YwaNuvVbrNpURGskcCrT gT1LsAv+8gbcm+SgYE4gAMIEMZlA+uh8qmz+8pDHSMuHHUr2+EUEkWUTY7ioycOW dZgZO1ZKYlXk8vRcvGDwbR1dhmv+jR8hWBHfCLpfLOUE6KRTthA6c4JhwnFpddhM cSJPKqZ+uGASuDGK3WuJVIuGlYUPRS3Gyj2X2Eg43T3zTe2wz/sAAkLLC2TkSeGj QLZEhq/pp2/PWM2LWujdEAiX8zFBJoJjrlR42egNqk27JQ80fVe9fHZruuCYo5SZ ftBDXUJRTahhvW6xFrQcdRyoMG8zlvM8dOjQM38GzkuIFCKp8u8= =vlas -----END PGP SIGNATURE----- Merge tag 'iomap-5.13-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull more iomap updates from Darrick Wong: "Remove the now unused 'io_private' field from struct iomap_ioend, for a modest savings in memory allocation" * tag 'iomap-5.13-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: iomap: remove unused private field from ioend |
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|
Linus Torvalds
|
aef511fb91 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: - three new touchscreen drivers: Hycon HY46XX, ILITEK Lego Series, and MStar MSG2638 - a new driver for Azoteq IQS626A proximity and touch controller - addition of Amazon Game Controller to the list of devices handled by the xpad driver - Elan touchscreen driver will avoid binding to devices described as I2CHID compatible in ACPI tables - various driver fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (56 commits) Input: xpad - add support for Amazon Game Controller Input: ili210x - add missing negation for touch indication on ili210x MAINTAINERS: repair reference in HYCON HY46XX TOUCHSCREEN SUPPORT Input: add driver for the Hycon HY46XX touchpanel series dt-bindings: touchscreen: Add HY46XX bindings dt-bindings: Add Hycon Technology vendor prefix Input: cyttsp - flag the device properly Input: cyttsp - set abs params for ABS_MT_TOUCH_MAJOR Input: cyttsp - drop the phys path Input: cyttsp - reduce reset pulse timings Input: cyttsp - error message on boot mode exit error Input: apbps2 - remove useless variable Input: mms114 - support MMS136 Input: mms114 - convert bindings to YAML and extend Input: Add support for ILITEK Lego Series dt-bindings: input: touchscreen: ilitek_ts_i2c: Add bindings Input: add MStar MSG2638 touchscreen driver dt-bindings: input/touchscreen: add bindings for msg2638 Input: silead - add workaround for x86 BIOS-es which bring the chip up in a stuck state Input: elants_i2c - do not bind to i2c-hid compatible ACPI instantiated devices ... |
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|
Masahiro Yamada
|
e13d04ec45 |
include/linux/compat.h: remove unneeded declaration from COMPAT_SYSCALL_DEFINEx()
compat_sys##name is declared twice, just one line below. With this removal SYSCALL_DEFINEx() (defined in <linux/syscalls.h>) and COMPAT_SYSCALL_DEFINEx() look symmetrical. Link: https://lkml.kernel.org/r/20210223114924.854794-1-masahiroy@kernel.org Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Richard Fitzgerald
|
e18baa7cc3 |
lib: crc8: pointer to data block should be const
crc8() does not change the data passed to it, so the pointer argument should be declared const. This avoids callers that receive const data having to cast it to a non-const pointer to call crc8(). Link: https://lkml.kernel.org/r/20210329122409.3291-1-rf@opensource.cirrus.com Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Yury Norov
|
2cc7b6a44a |
lib: add fast path for find_first_*_bit() and find_last_bit()
Similarly to bitmap functions, users would benefit if we'll handle a case of small-size bitmaps that fit into a single word. While here, move the find_last_bit() declaration to bitops/find.h where other find_*_bit() functions sit. Link: https://lkml.kernel.org/r/20210401003153.97325-11-yury.norov@gmail.com Signed-off-by: Yury Norov <yury.norov@gmail.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Alexey Klimov <aklimov@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David Sterba <dsterba@suse.com> Cc: Dennis Zhou <dennis@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Jianpeng Ma <jianpeng.ma@intel.com> Cc: Joe Perches <joe@perches.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Rich Felker <dalias@libc.org> Cc: Stefano Brivio <sbrivio@redhat.com> Cc: Wei Yang <richard.weiyang@linux.alibaba.com> Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> Cc: Yoshinori Sato <ysato@users.osdn.me> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Yury Norov
|
277a20a498 |
lib: add fast path for find_next_*_bit()
Similarly to bitmap functions, find_next_*_bit() users will benefit if
we'll handle a case of bitmaps that fit into a single word inline. In the
very best case, the compiler may replace a function call with a few
instructions.
This is the quite typical find_next_bit() user:
unsigned int cpumask_next(int n, const struct cpumask *srcp)
{
/* -1 is a legal arg here. */
if (n != -1)
cpumask_check(n);
return find_next_bit(cpumask_bits(srcp), nr_cpumask_bits, n + 1);
}
EXPORT_SYMBOL(cpumask_next);
Currently, on ARM64 the generated code looks like this:
0000000000000000 <cpumask_next>:
0: a9bf7bfd stp x29, x30, [sp, #-16]!
4: 11000402 add w2, w0, #0x1
8: aa0103e0 mov x0, x1
c: d2800401 mov x1, #0x40 // #64
10: 910003fd mov x29, sp
14: 93407c42 sxtw x2, w2
18: 94000000 bl 0 <find_next_bit>
1c: a8c17bfd ldp x29, x30, [sp], #16
20: d65f03c0 ret
24: d503201f nop
After applying this patch:
0000000000000140 <cpumask_next>:
140: 11000400 add w0, w0, #0x1
144: 93407c00 sxtw x0, w0
148: f100fc1f cmp x0, #0x3f
14c: 54000168 b.hi 178 <cpumask_next+0x38> // b.pmore
150: f9400023 ldr x3, [x1]
154: 92800001 mov x1, #0xffffffffffffffff // #-1
158: 9ac02020 lsl x0, x1, x0
15c: 52800802 mov w2, #0x40 // #64
160: 8a030001 and x1, x0, x3
164: dac00020 rbit x0, x1
168: f100003f cmp x1, #0x0
16c: dac01000 clz x0, x0
170: 1a800040 csel w0, w2, w0, eq // eq = none
174: d65f03c0 ret
178: 52800800 mov w0, #0x40 // #64
17c: d65f03c0 ret
find_next_bit() call is replaced with 6 instructions. find_next_bit()
itself is 41 instructions plus function call overhead.
Despite inlining, the scripts/bloat-o-meter report smaller .text size
after applying the series:
add/remove: 11/9 grow/shrink: 233/176 up/down: 5780/-6768 (-988)
Link: https://lkml.kernel.org/r/20210401003153.97325-10-yury.norov@gmail.com
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Alexey Klimov <aklimov@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Sterba <dsterba@suse.com>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jianpeng Ma <jianpeng.ma@intel.com>
Cc: Joe Perches <joe@perches.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Rich Felker <dalias@libc.org>
Cc: Stefano Brivio <sbrivio@redhat.com>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: Wolfram Sang <wsa+renesas@sang-engineering.com>
Cc: Yoshinori Sato <ysato@users.osdn.me>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Yury Norov
|
5c88af59f9 |
lib: inline _find_next_bit() wrappers
lib/find_bit.c declares five single-line wrappers for _find_next_bit(). We may turn those wrappers to inline functions. It eliminates unneeded function calls and opens room for compile-time optimizations. Link: https://lkml.kernel.org/r/20210401003153.97325-8-yury.norov@gmail.com Signed-off-by: Yury Norov <yury.norov@gmail.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Alexey Klimov <aklimov@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David Sterba <dsterba@suse.com> Cc: Dennis Zhou <dennis@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Jianpeng Ma <jianpeng.ma@intel.com> Cc: Joe Perches <joe@perches.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Rich Felker <dalias@libc.org> Cc: Stefano Brivio <sbrivio@redhat.com> Cc: Wei Yang <richard.weiyang@linux.alibaba.com> Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> Cc: Yoshinori Sato <ysato@users.osdn.me> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Yury Norov
|
586eaebea5 |
lib: extend the scope of small_const_nbits() macro
find_bit would also benefit from small_const_nbits() optimizations. The detailed comment is provided by Rasmus Villemoes. Link: https://lkml.kernel.org/r/20210401003153.97325-6-yury.norov@gmail.com Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Yury Norov <yury.norov@gmail.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Alexey Klimov <aklimov@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David Sterba <dsterba@suse.com> Cc: Dennis Zhou <dennis@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Jianpeng Ma <jianpeng.ma@intel.com> Cc: Joe Perches <joe@perches.com> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Rich Felker <dalias@libc.org> Cc: Stefano Brivio <sbrivio@redhat.com> Cc: Wei Yang <richard.weiyang@linux.alibaba.com> Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> Cc: Yoshinori Sato <ysato@users.osdn.me> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Rasmus Villemoes
|
32c93976ac |
kernel/cred.c: make init_groups static
init_groups is declared in both cred.h and init_task.h, but it is not actually referenced anywhere outside of cred.c where it is defined. So make it static and remove the declarations. Link: https://lkml.kernel.org/r/20210310220102.2484201-1-linux@rasmusvillemoes.dk Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Wan Jiabing
|
112dfce8f2 |
linux/profile.h: remove unnecessary declaration
Declaring struct pt_regs is unnecessary. On the one hand, there is no function using it; on the other hand, struct pt_regs has been declared in linux/kernel.h. Remove them. Link: https://lkml.kernel.org/r/20210401104834.1009157-1-wanjiabing@vivo.com Signed-off-by: Wan Jiabing <wanjiabing@vivo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Andy Shevchenko
|
08c5188ef4 |
kernel.h: drop inclusion in bitmap.h
The bitmap.h header is used in a lot of code around the kernel. Besides that it includes kernel.h which sometimes makes a loop. The problem here is many unneeded loops that make header hell dependencies. For example, how may you move bitmap_zalloc() from C-file to the header? Currently it's impossible. And bitmap.h here is only the tip of an iceberg. kerne.h is a dump of everything that even has nothing in common at all. We may still have it, but in my new code I prefer to include only the headers that I want to use, without the bulk of unneeded kernel code. Break the loop by introducing align.h, including it in kernel.h and bitmap.h followed by replacing kernel.h with limits.h. Link: https://lkml.kernel.org/r/20210326170347.37441-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Yury Norov <yury.norov@gmail.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Matthew Wilcox (Oracle)
|
4ee60ec156 |
include: remove pagemap.h from blkdev.h
My UEK-derived config has 1030 files depending on pagemap.h before this change. Afterwards, just 326 files need to be rebuilt when I touch pagemap.h. I think blkdev.h is probably included too widely, but untangling that dependency is harder and this solves my problem. x86 allmodconfig builds, but there may be implicit include problems on other architectures. Link: https://lkml.kernel.org/r/20210309195747.283796-1-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Dan Williams <dan.j.williams@intel.com> [nvdimm] Acked-by: Jens Axboe <axboe@kernel.dk> [block] Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Coly Li <colyli@suse.de> [bcache] Acked-by: Martin K. Petersen <martin.petersen@oracle.com> [scsi] Reviewed-by: William Kucharski <william.kucharski@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Alexey Dobriyan
|
d4455faccd |
proc: mandate ->proc_lseek in "struct proc_ops"
Now that proc_ops are separate from file_operations and other operations it easy to check all instances to have ->proc_lseek hook and remove check in main code. Note: nonseekable_open() files naturally don't require ->proc_lseek. Garbage collect pde_lseek() function. [adobriyan@gmail.com: smoke test lseek()] Link: https://lkml.kernel.org/r/YG4OIhChOrVTPgdN@localhost.localdomain Link: https://lkml.kernel.org/r/YFYX0Bzwxlc7aBa/@localhost.localdomain Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Linus Torvalds
|
a2de4bbddc |
VFIO updates for v5.13-rc1 pt2
- Additional mdev sample driver cleanup (Dan Carpenter) - Doc fix (Alyssa Ross) - Unbreak uAPI from NVLink2 support removal (Alex Williamson) -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEQvbATlQL0amee4qQI5ubbjuwiyIFAmCUL0YbHGFsZXgud2ls bGlhbXNvbkByZWRoYXQuY29tAAoJECObm247sIsiXmsQAJ7b9bMSSHbIJw1wDew9 TNzLOfZDbHFel+BMTiqshzNG+2RKmfumL7K7tkxP166+KK1bGnKJ7gZ7QZlucEca XE3c3NHoSsuJ+4UAo2HHGy+m4n0hNjBlqVIN8oysdj+WcW2Hj9eRVOldLM6zpw0u 93IzXzjbrHeCiFDY9bR87UVeMxvIccHCwKLSfSZlfVoSkemgD3qOUT5FQL3wu7sn 6B4ezxBlGKQS2ynboCdiO7/Z9nsx6V1S3NgdExcn9FkQEiTKACD81obVC6iK6tmh qyyeggPzE6Xebtrizp7jr1m0d6vhAXuKHeiWyDcNh/jSr/VADLi/FQS84uDMx/po ZxUJ7UsyaKWC2FcAcuG7cxAGtMdKwpLxyDmMhZgVxCS7BI6WcYAzscRa46j2s1LQ EF0t7z1YlXumKb/yQj19bsgqI2joDLIVge3HFl5cDijRtHyXtkuGt8ohjEPv2k1Z EHLYdcoIyHfail4yJQ1Dtu/Y08X54vME5hnPbpFn8EXeBAo8bmqILGFt/G6AHdEW 9EaZHHya+a4vhsW7Ja8WszkSdazXukjH20jNlfHPzA/OCPBCpwtfx6KqN5rt12Nz 8Jf+OnfRvSdg3EVD8BF9C/1+qDzzL6RfoD2JwNg1xz9IH3tKVopKm3jJ4CftdEXY H+EGBNFRT8xWJRYDXGNA0It/ =gWXJ -----END PGP SIGNATURE----- Merge tag 'vfio-v5.13-rc1pt2' of git://github.com/awilliam/linux-vfio Pull more VFIO updates from Alex Williamson: "A second small set of commits for this merge window, primarily to unbreak some deletions from our uAPI header. - Additional mdev sample driver cleanup (Dan Carpenter) - Doc fix (Alyssa Ross) - Unbreak uAPI from NVLink2 support removal (Alex Williamson)" * tag 'vfio-v5.13-rc1pt2' of git://github.com/awilliam/linux-vfio: docs: vfio: fix typo vfio/pci: Revert nvlink removal uAPI breakage vfio/mdev: remove unnecessary NULL check in mbochs_create() |
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|
Linus Torvalds
|
939b7cbc00 |
RISC-V Patches for the 5.13 Merge Window, Part 1
* Support for the memtest= kernel command-line argument. * Support for building the kernel with FORTIFY_SOURCE. * Support for generic clockevent broadcasts. * Support for the buildtar build target. * Some build system cleanups to pass more LLVM-friendly arguments. * Support for kprobes. * A rearranged kernel memory map, the first part of supporting sv48 systems. * Improvements to kexec, along with support for kdump and crash kernels. * An alternatives-based errata framework, along with support for handling a pair of errata that manifest on some SiFive designs (including the HiFive Unmatched). * Support for XIP. * A device tree for the Microchip PolarFire ICICLE SoC and associated dev board. Along with a bunch of cleanups. There are already a handful of fixes on the list so there will likely be a part 2. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmCS4lITHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYieZqEACSihfcOgZ/oyGWN3chca917/yCWimM DOu37Zlh81TNPgzzJwbT44IY5sg/lSecwktxs665TChiJjr3JlM4jmz+u64KOTA8 mTWhqZNr5zT9kFj/m3x0V9yYOVr9g43QRmIlc14d+8JaQDw0N8WeH/yK85/CXDSS X5gQK/e9q/yPf/NPyPuPm67jDsFnJERINWaAHI8lhA5fvFyy/xRLmSkuexchysss XOGfyxxX590jGLK1vD+5wccX7ZwfwU4jriTaxyah/VBl8QUur/xSPVyspHIdWiMG jrNXI1dg6oI861BdjryUpZI0iYJaRe5FRWUx7uTIqHfIyL/MnvYI7USVYOOPb72M yZgN903R++5NeUUVTzfXwaigTwfXAPB6USFqZpEfRAf204pgNybmznJWThAVBdYG rUixp7GsEMU3aAT2tE/iHR33JQxQfnZq8Tg43/4gB7MoACrzQrYrGcPnj9xssMyV F1hnao3dr+5Xjo3MwfkW9JvLPwvDuE3mdrdj+a0XZ45gbTJeuBhYxo3VOsFeijhQ gf/VYuoNn5iae9fiMzx5rlmFT9NJDYKDhla+BpAel84/6nRryyfCZCaE5FvDynOO CNQynaeJMIMEygPBYR9FVVCwm+EtVsz3NVFKEuo5ilQpgX8ipctxiqy2+moZALLN OWlEH6BKEgXqkw== =PsA8 -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-5.13-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: - Support for the memtest= kernel command-line argument. - Support for building the kernel with FORTIFY_SOURCE. - Support for generic clockevent broadcasts. - Support for the buildtar build target. - Some build system cleanups to pass more LLVM-friendly arguments. - Support for kprobes. - A rearranged kernel memory map, the first part of supporting sv48 systems. - Improvements to kexec, along with support for kdump and crash kernels. - An alternatives-based errata framework, along with support for handling a pair of errata that manifest on some SiFive designs (including the HiFive Unmatched). - Support for XIP. - A device tree for the Microchip PolarFire ICICLE SoC and associated dev board. ... along with a bunch of cleanups. There are already a handful of fixes on the list so there will likely be a part 2. * tag 'riscv-for-linus-5.13-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (45 commits) RISC-V: Always define XIP_FIXUP riscv: Remove 32b kernel mapping from page table dump riscv: Fix 32b kernel build with CONFIG_DEBUG_VIRTUAL=y RISC-V: Fix error code returned by riscv_hartid_to_cpuid() RISC-V: Enable Microchip PolarFire ICICLE SoC RISC-V: Initial DTS for Microchip ICICLE board dt-bindings: riscv: microchip: Add YAML documentation for the PolarFire SoC RISC-V: Add Microchip PolarFire SoC kconfig option RISC-V: enable XIP RISC-V: Add crash kernel support RISC-V: Add kdump support RISC-V: Improve init_resources() RISC-V: Add kexec support RISC-V: Add EM_RISCV to kexec UAPI header riscv: vdso: fix and clean-up Makefile riscv/mm: Use BUG_ON instead of if condition followed by BUG. riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU riscv: module: Create module allocations without exec permissions riscv: bpf: Avoid breaking W^X ... |
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Arnd Bergmann
|
1139aeb1c5 |
smp: Fix smp_call_function_single_async prototype
As of commit |
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Sean Christopherson
|
1ca0016c14 |
context_tracking: KVM: Move guest enter/exit wrappers to KVM's domain
Move the guest enter/exit wrappers to kvm_host.h so that KVM can manage its context tracking vs. vtime accounting without bleeding too many KVM details into the context tracking code. No functional change intended. Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20210505002735.1684165-8-seanjc@google.com |
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|
Sean Christopherson
|
14296e0c44 |
context_tracking: Consolidate guest enter/exit wrappers
Consolidate the guest enter/exit wrappers, providing and tweaking stubs as needed. This will allow moving the wrappers under KVM without having to bleed #ifdefs into the soon-to-be KVM code. No functional change intended. Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20210505002735.1684165-7-seanjc@google.com |
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|
Sean Christopherson
|
6f922b89e5 |
sched/vtime: Move guest enter/exit vtime accounting to vtime.h
Provide separate helpers for guest enter vtime accounting (in addition to the existing guest exit helpers), and move all vtime accounting helpers to vtime.h where the existing #ifdef infrastructure can be leveraged to better delineate the different types of accounting. This will also allow future cleanups via deduplication of context tracking code. Opportunstically delete the vtime_account_kernel() stub now that all callers are wrapped with CONFIG_VIRT_CPU_ACCOUNTING_NATIVE=y. No functional change intended. Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20210505002735.1684165-6-seanjc@google.com |
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Sean Christopherson
|
b41c723b20 |
sched/vtime: Move vtime accounting external declarations above inlines
Move the blob of external declarations (and their stubs) above the set of inline definitions (and their stubs) for vtime accounting. This will allow a future patch to bring in more inline definitions without also having to shuffle large chunks of code. No functional change intended. Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Link: https://lore.kernel.org/r/20210505002735.1684165-5-seanjc@google.com |
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Wanpeng Li
|
88d8220bbf |
context_tracking: Move guest exit vtime accounting to separate helpers
Provide separate vtime accounting functions for guest exit instead of open coding the logic within the context tracking code. This will allow KVM x86 to handle vtime accounting slightly differently when using tick-based accounting. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Wanpeng Li <wanpengli@tencent.com> Co-developed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Link: https://lore.kernel.org/r/20210505002735.1684165-3-seanjc@google.com |
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Wanpeng Li
|
866a6dadbb |
context_tracking: Move guest exit context tracking to separate helpers
Provide separate context tracking helpers for guest exit, the standalone helpers will be called separately by KVM x86 in later patches to fix tick-based accounting. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Wanpeng Li <wanpengli@tencent.com> Co-developed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20210505002735.1684165-2-seanjc@google.com |
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Linus Torvalds
|
8404c9fbc8 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"The remainder of the main mm/ queue.
143 patches.
Subsystems affected by this patch series (all mm): pagecache, hugetlb,
userfaultfd, vmscan, compaction, migration, cma, ksm, vmstat, mmap,
kconfig, util, memory-hotplug, zswap, zsmalloc, highmem, cleanups, and
kfence"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (143 commits)
kfence: use power-efficient work queue to run delayed work
kfence: maximize allocation wait timeout duration
kfence: await for allocation using wait_event
kfence: zero guard page after out-of-bounds access
mm/process_vm_access.c: remove duplicate include
mm/mempool: minor coding style tweaks
mm/highmem.c: fix coding style issue
btrfs: use memzero_page() instead of open coded kmap pattern
iov_iter: lift memzero_page() to highmem.h
mm/zsmalloc: use BUG_ON instead of if condition followed by BUG.
mm/zswap.c: switch from strlcpy to strscpy
arm64/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
x86/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
mm,memory_hotplug: add kernel boot option to enable memmap_on_memory
acpi,memhotplug: enable MHP_MEMMAP_ON_MEMORY when supported
mm,memory_hotplug: allocate memmap from the added memory range
mm,memory_hotplug: factor out adjusting present pages into adjust_present_page_count()
mm,memory_hotplug: relax fully spanned sections check
drivers/base/memory: introduce memory_block_{online,offline}
mm/memory_hotplug: remove broken locking of zone PCP structures during hot remove
...
|
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Linus Torvalds
|
16bb86b556 |
virtio,vhost,vdpa: features, fixes
A bunch of new drivers including vdpa support for block and virtio-vdpa. Beginning of vq kick (aka doorbell) mapping support. Misc fixes. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmCRBBEPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRpiCIH/iNNTeyl4hZJ8IOTlqTagjZgUBYslpda66pU XfGKmXWpCGHYSw0XgbfHDyTZTCmdyq/b4FrxPgYrrEsQqztLIaGHyapHPcXEAThb +pHtcxqsQ8DGucJZpNU44M3kB13u07gauR540HyXzEqLXd5vEhG7dkClBjm67TWN SbJoEP3eNJMUezYuGsmUAGoi/M9NyCx+RiLd7roIlTxhIDW17PFNY0sIgG/sX6/s 1MXng0l00EjawIu4OnWfjg6kZoa6se41Rpcwd7XluTZncYKnMTJGoxDwv0xoJl4I pI5OS+Ea6ENuuygmYMEl294I5E0QeaMGFpEYyO9sm764K5bLjVw= =x0Ot -----END PGP SIGNATURE----- Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost Pull virtio updates from Michael Tsirkin: "A bunch of new drivers including vdpa support for block and virtio-vdpa. Beginning of vq kick (aka doorbell) mapping support. Misc fixes" * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (40 commits) virtio_pci_modern: correct sparse tags for notify virtio_pci_modern: __force cast the notify mapping vDPA/ifcvf: get_config_size should return dev specific config size vDPA/ifcvf: enable Intel C5000X-PL virtio-block for vDPA vDPA/ifcvf: deduce VIRTIO device ID when probe vdpa_sim_blk: add support for vdpa management tool vdpa_sim_blk: handle VIRTIO_BLK_T_GET_ID vdpa_sim_blk: implement ramdisk behaviour vdpa: add vdpa simulator for block device vhost/vdpa: Remove the restriction that only supports virtio-net devices vhost/vdpa: use get_config_size callback in vhost_vdpa_config_validate() vdpa: add get_config_size callback in vdpa_config_ops vdpa_sim: cleanup kiovs in vdpasim_free() vringh: add vringh_kiov_length() helper vringh: implement vringh_kiov_advance() vringh: explain more about cleaning riov and wiov vringh: reset kiov 'consumed' field in __vringh_iov() vringh: add 'iotlb_lock' to synchronize iotlb accesses vdpa_sim: use iova module to allocate IOVA addresses vDPA/ifcvf: deduce VIRTIO device ID from pdev ids ... |
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Linus Torvalds
|
57151b502c |
pci-v5.13-changes
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Merge tag 'pci-v5.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Release OF node when pci_scan_device() fails (Dmitry Baryshkov)
- Add pci_disable_parity() (Bjorn Helgaas)
- Disable Mellanox Tavor parity reporting (Heiner Kallweit)
- Disable N2100 r8169 parity reporting (Heiner Kallweit)
- Fix RCiEP device to RCEC association (Qiuxu Zhuo)
- Convert sysfs "config", "rom", "reset", "label", "index",
"acpi_index" to static attributes to help fix races in device
enumeration (Krzysztof Wilczyński)
- Convert sysfs "vpd" to static attribute (Heiner Kallweit, Krzysztof
Wilczyński)
- Use sysfs_emit() in "show" functions (Krzysztof Wilczyński)
- Remove unused alloc_pci_root_info() return value (Krzysztof
Wilczyński)
PCI device hotplug:
- Fix acpiphp reference count leak (Feilong Lin)
Power management:
- Fix acpi_pci_set_power_state() debug message (Rafael J. Wysocki)
- Fix runtime PM imbalance (Dinghao Liu)
Virtualization:
- Increase delay after FLR to work around Intel DC P4510 NVMe erratum
(Raphael Norwitz)
MSI:
- Convert rcar, tegra, xilinx to MSI domains (Marc Zyngier)
- For rcar, xilinx, use controller address as MSI doorbell (Marc
Zyngier)
- Remove unused hv msi_controller struct (Marc Zyngier)
- Remove unused PCI core msi_controller support (Marc Zyngier)
- Remove struct msi_controller altogether (Marc Zyngier)
- Remove unused default_teardown_msi_irqs() (Marc Zyngier)
- Let host bridges declare their reliance on MSI domains (Marc
Zyngier)
- Make pci_host_common_probe() declare its reliance on MSI domains
(Marc Zyngier)
- Advertise mediatek lack of built-in MSI handling (Thomas Gleixner)
- Document ways of ending up with NO_MSI (Marc Zyngier)
- Refactor HT advertising of NO_MSI flag (Marc Zyngier)
VPD:
- Remove obsolete Broadcom NIC VPD length-limiting quirk (Heiner
Kallweit)
- Remove sysfs VPD size checking dead code (Heiner Kallweit)
- Convert VPF sysfs file to static attribute (Heiner Kallweit)
- Remove unnecessary pci_set_vpd_size() (Heiner Kallweit)
- Tone down "missing VPD" message (Heiner Kallweit)
Endpoint framework:
- Fix NULL pointer dereference when epc_features not implemented
(Shradha Todi)
- Add missing destroy_workqueue() in endpoint test (Yang Yingliang)
Amazon Annapurna Labs PCIe controller driver:
- Fix compile testing without CONFIG_PCI_ECAM (Arnd Bergmann)
- Fix "no symbols" warnings when compile testing with
CONFIG_TRIM_UNUSED_KSYMS (Arnd Bergmann)
APM X-Gene PCIe controller driver:
- Fix cfg resource mapping regression (Dejin Zheng)
Broadcom iProc PCIe controller driver:
- Return zero for success of iproc_msi_irq_domain_alloc() (Pali
Rohár)
Broadcom STB PCIe controller driver:
- Add reset_control_rearm() stub for !CONFIG_RESET_CONTROLLER (Jim
Quinlan)
- Fix use of BCM7216 reset controller (Jim Quinlan)
- Use reset/rearm for Broadcom STB pulse reset instead of
deassert/assert (Jim Quinlan)
- Fix brcm_pcie_probe() error return for unsupported revision (Wei
Yongjun)
Cavium ThunderX PCIe controller driver:
- Fix compile testing (Arnd Bergmann)
- Fix "no symbols" warnings when compile testing with
CONFIG_TRIM_UNUSED_KSYMS (Arnd Bergmann)
Freescale Layerscape PCIe controller driver:
- Fix ls_pcie_ep_probe() syntax error (comma for semicolon)
(Krzysztof Wilczyński)
- Remove layerscape-gen4 dependencies on OF and ARM64, add dependency
on ARCH_LAYERSCAPE (Geert Uytterhoeven)
HiSilicon HIP PCIe controller driver:
- Remove obsolete HiSilicon PCIe DT description (Dongdong Liu)
Intel Gateway PCIe controller driver:
- Remove unused pcie_app_rd() (Jiapeng Chong)
Intel VMD host bridge driver:
- Program IRTE with Requester ID of VMD endpoint, not child device
(Jon Derrick)
- Disable VMD MSI-X remapping when possible so children can use more
MSI-X vectors (Jon Derrick)
MediaTek PCIe controller driver:
- Configure FC and FTS for functions other than 0 (Ryder Lee)
- Add YAML schema for MediaTek (Jianjun Wang)
- Export pci_pio_to_address() for module use (Jianjun Wang)
- Add MediaTek MT8192 PCIe controller driver (Jianjun Wang)
- Add MediaTek MT8192 INTx support (Jianjun Wang)
- Add MediaTek MT8192 MSI support (Jianjun Wang)
- Add MediaTek MT8192 system power management support (Jianjun Wang)
- Add missing MODULE_DEVICE_TABLE (Qiheng Lin)
Microchip PolarFlare PCIe controller driver:
- Make several symbols static (Wei Yongjun)
NVIDIA Tegra PCIe controller driver:
- Add MCFG quirks for Tegra194 ECAM errata (Vidya Sagar)
- Make several symbols const (Rikard Falkeborn)
- Fix Kconfig host/endpoint typo (Wesley Sheng)
SiFive FU740 PCIe controller driver:
- Add pcie_aux clock to prci driver (Greentime Hu)
- Use reset-simple in prci driver for PCIe (Greentime Hu)
- Add SiFive FU740 PCIe host controller driver and DT binding (Paul
Walmsley, Greentime Hu)
Synopsys DesignWare PCIe controller driver:
- Move MSI Receiver init to dw_pcie_host_init() so it is
re-initialized along with the RC in resume (Jisheng Zhang)
- Move iATU detection earlier to fix regression (Hou Zhiqiang)
TI J721E PCIe driver:
- Add DT binding and TI j721e support for refclk to PCIe connector
(Kishon Vijay Abraham I)
- Add host mode and endpoint mode DT bindings for TI AM64 SoC (Kishon
Vijay Abraham I)
TI Keystone PCIe controller driver:
- Use generic config accessors for TI AM65x (K3) to fix regression
(Kishon Vijay Abraham I)
Xilinx NWL PCIe controller driver:
- Add support for coherent PCIe DMA traffic using CCI (Bharat Kumar
Gogada)
- Add optional "dma-coherent" DT property (Bharat Kumar Gogada)
Miscellaneous:
- Fix kernel-doc warnings (Krzysztof Wilczyński)
- Remove unused MicroGate SyncLink device IDs (Jiri Slaby)
- Remove redundant dev_err() for devm_ioremap_resource() failure
(Chen Hui)
- Remove redundant initialization (Colin Ian King)
- Drop redundant dev_err() for platform_get_irq() errors (Krzysztof
Wilczyński)"
* tag 'pci-v5.13-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (98 commits)
riscv: dts: Add PCIe support for the SiFive FU740-C000 SoC
PCI: fu740: Add SiFive FU740 PCIe host controller driver
dt-bindings: PCI: Add SiFive FU740 PCIe host controller
MAINTAINERS: Add maintainers for SiFive FU740 PCIe driver
clk: sifive: Use reset-simple in prci driver for PCIe driver
clk: sifive: Add pcie_aux clock in prci driver for PCIe driver
PCI: brcmstb: Use reset/rearm instead of deassert/assert
ata: ahci_brcm: Fix use of BCM7216 reset controller
reset: add missing empty function reset_control_rearm()
PCI: Allow VPD access for QLogic ISP2722
PCI/VPD: Add helper pci_get_func0_dev()
PCI/VPD: Remove pci_vpd_find_tag() SRDT handling
PCI/VPD: Remove pci_vpd_find_tag() 'offset' argument
PCI/VPD: Change pci_vpd_init() return type to void
PCI/VPD: Make missing VPD message less alarming
PCI/VPD: Remove pci_set_vpd_size()
x86/PCI: Remove unused alloc_pci_root_info() return value
MAINTAINERS: Add Jianjun Wang as MediaTek PCI co-maintainer
PCI: mediatek-gen3: Add system PM support
PCI: mediatek-gen3: Add MSI support
...
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Linus Torvalds
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7b9df264f0 |
pwm: Changes for v5.13-rc1
This set of changes adds support for the PWM controller found on Toshiba Visconti SoCs and converts a couple of drivers to the atomic API. There's also a bunch of cleanups and minor fixes across the board. -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEEiOrDCAFJzPfAjcif3SOs138+s6EFAmCS5fUZHHRoaWVycnku cmVkaW5nQGdtYWlsLmNvbQAKCRDdI6zXfz6zoe3FD/9vloMEaieCdiL7ImFSw44b YsKwoyemT2utsAZd0/xckIogB0vU51m/Wx/Xvmlp8Xw1pn512Csi7sd/aD1Ryc6x 2J7HnA9rin/X0wFxspVrZ0OZCEP9d1v4GhPYI1tMQ4RKYxlAU3nC2wx1+W55j0mD dircs7QXg963iYN0bhyl+YrniesfQ6wWPgTC8IRgpozS9cTAk5dKE7chNEhIbyal pdtg3072oFIP3B2kVb9m2sluPSuvPivXLbUs527vhPaiKtfaOmwcZHON6LZk2+87 2fza/6qf061NVmmi9w8BqsFagrTFyQvEHAHoO4E5qlZUWHpzqfiMMxSWOPyVCMLf jmJVBGxVNnB60B+O2+QQgHw8JoO99v84UEpvrhk1Mei1WWZfEfvBV6+jIAU08TwF RLJgw2YFvcmtAZVjNw7hW1JwqMNIfNbM4Y4eWiPIP1qrP32nS85V4m9rHE19kMGh Ww6gSMv7Wsl5COjQ/WnvTzodKemLuJ1dqmpeVdKJw8gluOnKQa0Uu6B/ArricoZI tkODvQdaenjk4rBL9gi6bwN01ubjjDFW3AnBtDSSyrRxw2uGUNmx8N3WxnKiis7O Vp6271hpriqzSomOvCdpc1Oy+iT0iHElioLSzrc4ODOLyHFBmT/LaXhVxEhTwxRy BCyUw/G2AjsjxYzWRwa4zA== =d0HN -----END PGP SIGNATURE----- Merge tag 'pwm/for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "This adds support for the PWM controller found on Toshiba Visconti SoCs and converts a couple of drivers to the atomic API. There's also a bunch of cleanups and minor fixes across the board" * tag 'pwm/for-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (35 commits) pwm: Reword docs about pwm_apply_state() pwm: atmel: Improve duty cycle calculation in .apply() pwm: atmel: Fix duty cycle calculation in .get_state() pwm: visconti: Add Toshiba Visconti SoC PWM support dt-bindings: pwm: Add bindings for Toshiba Visconti PWM Controller arm64: dts: rockchip: Remove clock-names from PWM nodes ARM: dts: rockchip: Remove clock-names from PWM nodes dt-bindings: pwm: rockchip: Add more compatible strings dt-bindings: pwm: Convert pwm-rockchip.txt to YAML pwm: mediatek: Remove unused function pwm: pca9685: Improve runtime PM behavior pwm: pca9685: Support hardware readout pwm: pca9685: Switch to atomic API pwm: lpss: Don't modify HW state in .remove callback pwm: sti: Free resources only after pwmchip_remove() pwm: sti: Don't modify HW state in .remove callback pwm: lpc3200: Don't modify HW state in .remove callback pwm: lpc18xx-sct: Free resources only after pwmchip_remove() pwm: bcm-kona: Don't modify HW state in .remove callback pwm: bcm2835: Free resources only after pwmchip_remove() ... |