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Author SHA1 Message Date
Dan Carpenter
182c6941c5
 		platform/x86/intel/tpmi/plr: Fix output in plr_print_bits() 
Smatch complains that 'str' can be used without being initialized:

    drivers/platform/x86/intel/intel_plr_tpmi.c:178 plr_print_bits()
    error: uninitialized symbol 'str'.

In this loop, we iterate over all the set bits and print the name of the
bit.  The intention is that if there is a bit which is between 0-31 we
look for the name in the first array plr_coarse_reasons[] which has 10
elements.  If the bit is in the 32-63 range we look for it in the
plr_fine_reasons[] array which has 30 elements.  If the bit is in the
invalid ranges, 10-31 or 62-63, then we should print "UNKNOWN(%d)".

The problem is that 'str' needs to be initialized at the start of each
iteration, otherwise if we can't find the string then instead of printing
"UNKNOWN(%d)", we will re-print whatever the previous bit was.

Fixes: 9e9397a41b ("platform/x86/intel/tpmi/plr: Add support for the plr mailbox")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/b0084e70-4144-445a-9b89-fb19f6b8336a@stanley.mountain
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
 2024-07-16 11:42:56 +03:00
Ilpo Järvinen
9d20c0535e
 		Docs/admin-guide: Remove pmf leftover reference from the index 
pmf.rst was removed by the commit 2fd66f7d3b ("platform/x86/amd/pmf:
Remove update system state document") but the reference in the
admin-guide index remained in place which triggers this warning:

Documentation/admin-guide/index.rst:75: WARNING: toctree contains
reference to nonexisting document 'admin-guide/pmf'

Remove pmf also from the index to avoid the warning.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20240715104102.4615-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
 2024-07-16 11:41:46 +03:00
Imre Deak
509580fad7 drm/i915/dp: Don't switch the LTTPR mode on an active link 
Switching to transparent mode leads to a loss of link synchronization,
so prevent doing this on an active link. This happened at least on an
Intel N100 system / DELL UD22 dock, the LTTPR residing either on the
host or the dock. To fix the issue, keep the current mode on an active
link, adjusting the LTTPR count accordingly (resetting it to 0 in
transparent mode).

v2: Adjust code comment during link training about reiniting the LTTPRs.
   (Ville)

Fixes: 7b2a4ab8b0 ("drm/i915: Switch to LTTPR transparent mode link training")
Reported-and-tested-by: Gareth Yu <gareth.yu@intel.com>
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/10902
Cc: <stable@vger.kernel.org> # v5.15+
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240708190029.271247-3-imre.deak@intel.com
(cherry picked from commit 211ad49cf8)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
 2024-07-16 08:14:29 +00:00
Imre Deak
d13e2a6e95 drm/i915/dp: Reset intel_dp->link_trained before retraining the link 
Regularly retraining a link during an atomic commit happens with the
given pipe/link already disabled and hence intel_dp->link_trained being
false. Ensure this also for retraining a DP SST link via direct calls to
the link training functions (vs. an actual commit as for DP MST). So far
nothing depended on this, however the next patch will depend on
link_trained==false for changing the LTTPR mode to non-transparent.

Cc: <stable@vger.kernel.org> # v5.15+
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240708190029.271247-2-imre.deak@intel.com
(cherry picked from commit a4d5ce6176)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
 2024-07-16 08:14:26 +00:00
Masahiro Yamada
94a4b0a4cb kconfig: remove SYMBOL_CHOICEVAL flag 
This flag is unneeded because a choice member can be detected by
other means.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2024-07-16 16:07:14 +09:00
Masahiro Yamada
6425e3b247 kconfig: add const qualifiers to several function arguments 
Clarify that the given structures are not modified.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2024-07-16 16:07:14 +09:00
Masahiro Yamada
8bfd6f0923 kconfig: call expr_eliminate_yn() at least once in expr_eliminate_dups() 
Kconfig simplifies expressions, but redundant '&&' and '||' operators
involving constant symbols 'y' and 'n' are sometimes trimmed and
sometimes not.

[Test Code]

    config DEP
            def_bool y

    config A
            bool "A"
            depends on DEP && y

    config B
            bool "B"
            depends on DEP && y && y

[Result]

    $ make helpnewconfig
      [ snip ]
    -----

    There is no help available for this option.
    Symbol: A [=n]
    Type  : bool
    Defined at Kconfig:4
      Prompt: A
      Depends on: DEP [=y] && y [=y]
      Location:
        -> A (A [=n])

    -----
    -----

    There is no help available for this option.
    Symbol: B [=n]
    Type  : bool
    Defined at Kconfig:8
      Prompt: B
      Depends on: DEP [=y]
      Location:
        -> B (B [=n])

    -----

The dependency for A, 'DEP && y', remains as-is, while that for B,
'DEP && y && y', has been reduced to 'DEP'.

Currently, expr_eliminate_dups() calls expr_eliminate_yn() only when
trans_count != 0, in other words, only when expr_eliminate_dups1() has
trimmed at least one leaf. It fails to trim a single '&& y', etc.

To fix this inconsistent behavior, expr_eliminate_yn() should be called
at least once even if no leaf has been trimmed.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2024-07-16 16:07:14 +09:00
Masahiro Yamada
d67015eedd kbuild: deb-pkg: use default string when variable is unset or null 
${DEBFULLNAME-${user}} falls back to ${user} when DEBFULLNAME is unset.
It is more reasonable to do so when DEBFULLNAME is unset or null.

Otherwise, the command:

  $ DEBFULLNAME= make deb-pkg

will leave the name field blank.

The same applies to KBUILD_BUILD_USER and KBUILD_BUILD_HOST.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
 2024-07-16 16:07:14 +09:00
Masahiro Yamada
f58437aba0 modpost: rename R_ARM_THM_CALL to R_ARM_THM_PC22 
/usr/include/elf.h, which originates from the glibc/musl, defines
R_ARM_THM_PC22 instead of R_ARM_THM_CALL.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
 2024-07-16 16:07:14 +09:00
Masahiro Yamada
3914cdde89 modpost: remove self-definitions of R_ARM_* macros 
Commit f5983dab0e ("modpost: define more R_ARM_* for old
distributions") added self-definitions for the R_ARM_* macros to fix
build errors on CentOS 7.

RHEL/CentOS 7 were retired at the end of June.

Remove all the R_ARM_* definitions (except for R_ARM_THM_CALL), which
should be available in recent distributions.

glibc and musl added most of R_ARM_* macros in 2013. [1] [2]

[1]: https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=08cbd996d33114ca50644d060fbe3a08260430fb
[2]: https://git.musl-libc.org/cgit/musl/commit/?id=268375c1c017c0bdefeed1a330811e433c4dfaef

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
 2024-07-16 16:07:14 +09:00
Masahiro Yamada
5f99665ee8 kbuild: raise the minimum GNU Make requirement to 4.0 
RHEL/CentOS 7, popular distributions that install GNU Make 3.82, reached
EOM/EOL on June 30, 2024. While you may get extended support, it is a
good time to raise the minimum GNU Make version.

The new requirement, GNU Make 4.0, was released in October, 2013.

I did not touch the Makefiles under tools/ because I do not know the
requirements for building tools. I do not find any GNU Make version
checks under tools/.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
 2024-07-16 16:07:14 +09:00
Masahiro Yamada
712aba5543 kbuild: avoid build error when single DTB is turned into composite DTB 
As commit afa974b771 ("kbuild: add real-prereqs shorthand for
$(filter-out FORCE,$^)") explained, $(real-prereqs) is not just a list
of objects when linking a multi-object module. If a single-object module
is turned into a multi-object module, $^ (and therefore $(real-prereqs)
as well) contains header files recorded in the *.cmd file. Such headers
must be filtered out.

Now that a DTB can be built either from a single source or multiple
source files, the same issue can occur.

Consider the following scenario:

First, foo.dtb is implemented as a single-blob device tree.

The code looks something like this:

[Sample Code 1]

  Makefile:

      dtb-y += foo.dtb

  foo.dts:

    #include <dt-bindings/gpio/gpio.h>
    /dts-v1/;
    / { };

When it is compiled, .foo.dtb.cmd records that foo.dtb depends on
scripts/dtc/include-prefixes/dt-bindings/gpio/gpio.h.

Later, foo.dtb is split into a base and an overlay. The code looks
something like this:

[Sample Code 2]

  Makefile:

      dtb-y += foo.dtb
      foo-dtbs := foo-base.dtb foo-addon.dtbo

  foo-base.dts:

    #include <dt-bindings/gpio/gpio.h>
    /dts-v1/;
    / { };

  foo-addon.dtso:

    /dts-v1/;
    /plugin/;
    / { };

If you rebuild foo.dtb without 'make clean', you will get this error:

    Overlay 'scripts/dtc/include-prefixes/dt-bindings/gpio/gpio.h' is incomplete

$(real-prereqs) contains not only foo-base.dtb and foo-addon.dtbo but
also scripts/dtc/include-prefixes/dt-bindings/gpio/gpio.h, which is
passed to scripts/dtc/fdtoverlay.

Fixes: 15d16d6dad ("kbuild: Add generic rule to apply fdtoverlay")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
 2024-07-16 16:07:14 +09:00
Masahiro Yamada
c041441975 kbuild: package: add -e and -u options to some shell scripts 
Set -e to make these scripts fail on the first error.

Set -u because these scripts are invoked by Makefile, and do not work
properly without necessary variables defined.

I tweaked mkdebian to cope with optional environment variables.

Remove the explicit "test -n ..." from install-extmod-build.

Both options are described in POSIX. [1]

[1]: https://pubs.opengroup.org/onlinepubs/009604499/utilities/set.html

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
 2024-07-16 16:06:18 +09:00
Linus Torvalds
d679783188 - Flip the logic to add feature names to /proc/cpuinfo to having to 
explicitly specify the flag if there's a valid reason to show it in
   /proc/cpuinfo
 
 - Switch a bunch of Intel x86 model checking code to the new CPU model
   defines
 
 - Fixes and cleanups
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Merge tag 'x86_cpu_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cpu model updates from Borislav Petkov:

 - Flip the logic to add feature names to /proc/cpuinfo to having to
   explicitly specify the flag if there's a valid reason to show it in
   /proc/cpuinfo

 - Switch a bunch of Intel x86 model checking code to the new CPU model
   defines

 - Fixes and cleanups

* tag 'x86_cpu_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/cpu/intel: Drop stray FAM6 check with new Intel CPU model defines
  x86/cpufeatures: Flip the /proc/cpuinfo appearance logic
  x86/CPU/AMD: Always inline amd_clear_divider()
  x86/mce/inject: Add missing MODULE_DESCRIPTION() line
  perf/x86/rapl: Switch to new Intel CPU model defines
  x86/boot: Switch to new Intel CPU model defines
  x86/cpu: Switch to new Intel CPU model defines
  perf/x86/intel: Switch to new Intel CPU model defines
  x86/virt/tdx: Switch to new Intel CPU model defines
  x86/PCI: Switch to new Intel CPU model defines
  x86/cpu/intel: Switch to new Intel CPU model defines
  x86/platform/intel-mid: Switch to new Intel CPU model defines
  x86/pconfig: Remove unused MKTME pconfig code
  x86/cpu: Remove useless work in detect_tme_early()
 2024-07-15 20:25:16 -07:00
Linus Torvalds
2439a5eaa7 - Add a spectre_bhi=vmexit mitigation option aimed at cloud 
environments
 
  - Remove duplicated Spectre cmdline option documentation
 
  - Add separate macro definitions for syscall handlers which do not
    return in order to address objtool warnings
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Merge tag 'x86_bugs_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cpu mitigation updates from Borislav Petkov:

 - Add a spectre_bhi=vmexit mitigation option aimed at cloud
   environments

 - Remove duplicated Spectre cmdline option documentation

 - Add separate macro definitions for syscall handlers which do not
   return in order to address objtool warnings

* tag 'x86_bugs_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/bugs: Add 'spectre_bhi=vmexit' cmdline option
  x86/bugs: Remove duplicate Spectre cmdline option descriptions
  x86/syscall: Mark exit[_group] syscall handlers __noreturn
 2024-07-15 20:07:27 -07:00
Linus Torvalds
f998678baf - Add a unified VMware hypercall API layer which should be used by all 
callers instead of them doing homegrown solutions. This will provide for
    adding API support for confidential computing solutions like TDX
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Merge tag 'x86_vmware_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 vmware updates from Borislav Petkov:

 - Add a unified VMware hypercall API layer which should be used by all
   callers instead of them doing homegrown solutions. This will provide
   for adding API support for confidential computing solutions like TDX

* tag 'x86_vmware_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/vmware: Add TDX hypercall support
  x86/vmware: Remove legacy VMWARE_HYPERCALL* macros
  x86/vmware: Correct macro names
  x86/vmware: Use VMware hypercall API
  drm/vmwgfx: Use VMware hypercall API
  input/vmmouse: Use VMware hypercall API
  ptp/vmware: Use VMware hypercall API
  x86/vmware: Introduce VMware hypercall API
 2024-07-15 20:05:40 -07:00
Peter Wang
3911af778f scsi: ufs: core: Fix deadlock during RTC update 
There is a deadlock when runtime suspend waits for the flush of RTC work,
and the RTC work calls ufshcd_rpm_get_sync() to wait for runtime resume.

Here is deadlock backtrace:

kworker/0:1     D 4892.876354 10 10971 4859 0x4208060 0x8 10 0 120 670730152367
ptr            f0ffff80c2e40000 0 1 0x00000001 0x000000ff 0x000000ff 0x000000ff
<ffffffee5e71ddb0> __switch_to+0x1a8/0x2d4
<ffffffee5e71e604> __schedule+0x684/0xa98
<ffffffee5e71ea60> schedule+0x48/0xc8
<ffffffee5e725f78> schedule_timeout+0x48/0x170
<ffffffee5e71fb74> do_wait_for_common+0x108/0x1b0
<ffffffee5e71efe0> wait_for_completion+0x44/0x60
<ffffffee5d6de968> __flush_work+0x39c/0x424
<ffffffee5d6decc0> __cancel_work_sync+0xd8/0x208
<ffffffee5d6dee2c> cancel_delayed_work_sync+0x14/0x28
<ffffffee5e2551b8> __ufshcd_wl_suspend+0x19c/0x480
<ffffffee5e255fb8> ufshcd_wl_runtime_suspend+0x3c/0x1d4
<ffffffee5dffd80c> scsi_runtime_suspend+0x78/0xc8
<ffffffee5df93580> __rpm_callback+0x94/0x3e0
<ffffffee5df90b0c> rpm_suspend+0x2d4/0x65c
<ffffffee5df91448> __pm_runtime_suspend+0x80/0x114
<ffffffee5dffd95c> scsi_runtime_idle+0x38/0x6c
<ffffffee5df912f4> rpm_idle+0x264/0x338
<ffffffee5df90f14> __pm_runtime_idle+0x80/0x110
<ffffffee5e24ce44> ufshcd_rtc_work+0x128/0x1e4
<ffffffee5d6e3a40> process_one_work+0x26c/0x650
<ffffffee5d6e65c8> worker_thread+0x260/0x3d8
<ffffffee5d6edec8> kthread+0x110/0x134
<ffffffee5d616b18> ret_from_fork+0x10/0x20

Skip updating RTC if RPM state is not RPM_ACTIVE.

Fixes: 6bf999e0eb ("scsi: ufs: core: Add UFS RTC support")
Cc: stable@vger.kernel.org # 6.9.x
Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240715063831.29792-1-peter.wang@mediatek.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2024-07-15 22:57:16 -04:00
Peter Wang
022587d8ae scsi: ufs: core: Bypass quick recovery if force reset is needed 
If force_reset is true, bypass quick recovery.  This will shorten error
recovery time.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Link: https://lore.kernel.org/r/20240712094506.11284-1-peter.wang@mediatek.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2024-07-15 22:53:27 -04:00
Linus Torvalds
222dfb8326 - Make error checking of AMD SMN accesses more robust in the callers as 
they're the only ones who can interpret the results properly
 
  - The usual cleanups and fixes, left and right
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Merge tag 'x86_misc_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull misc x86 updates from Borislav Petkov:

 - Make error checking of AMD SMN accesses more robust in the callers as
   they're the only ones who can interpret the results properly

 - The usual cleanups and fixes, left and right

* tag 'x86_misc_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kmsan: Fix hook for unaligned accesses
  x86/platform/iosf_mbi: Convert PCIBIOS_* return codes to errnos
  x86/pci/xen: Fix PCIBIOS_* return code handling
  x86/pci/intel_mid_pci: Fix PCIBIOS_* return code handling
  x86/of: Return consistent error type from x86_of_pci_irq_enable()
  hwmon: (k10temp) Rename _data variable
  hwmon: (k10temp) Remove unused HAVE_TDIE() macro
  hwmon: (k10temp) Reduce k10temp_get_ccd_support() parameters
  hwmon: (k10temp) Define a helper function to read CCD temperature
  x86/amd_nb: Enhance SMN access error checking
  hwmon: (k10temp) Check return value of amd_smn_read()
  EDAC/amd64: Check return value of amd_smn_read()
  EDAC/amd64: Remove unused register accesses
  tools/x86/kcpuid: Add missing dir via Makefile
  x86, arm: Add missing license tag to syscall tables files
 2024-07-15 19:53:07 -07:00
Linus Torvalds
1d86d35241 - Make sure insn support detection uses the proper compiler flag in bi-arch 
builds
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Merge tag 'x86_build_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 build update from Borislav Petkov:

 - Make sure insn support detection uses the proper compiler flag in
   bi-arch builds

* tag 'x86_build_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kconfig: Add as-instr64 macro to properly evaluate AS_WRUSS
 2024-07-15 19:51:23 -07:00
Kyoungrul Kim
0c60eb0cc3 scsi: ufs: core: Check LSDBS cap when !mcq 
If the user sets use_mcq_mode to 0, the host will try to activate the LSDB
mode unconditionally even when the LSDBS of device HCI cap is 1. This makes
commands time out and causes device probing to fail.

To prevent that problem, check the LSDBS cap when MCQ is not supported.

Signed-off-by: Kyoungrul Kim <k831.kim@samsung.com>
Link: https://lore.kernel.org/r/20240709232520epcms2p8ebdb5c4fccc30a6221390566589bf122@epcms2p8
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2024-07-15 22:51:06 -04:00
Linus Torvalds
9319657544 - Cleanup the 8-byte getuser() asm case 
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Merge tag 'x86_core_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 uaccess update from Borislav Petkov:

 - Cleanup the 8-byte getuser() asm case

* tag 'x86_core_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/uaccess: Improve the 8-byte getuser() case
 2024-07-15 19:49:55 -07:00
Linus Torvalds
98896d8795 - Unrelated x86/cc changes queued here to avoid ugly cross-merges and 
conflicts:
 
    - Carve out CPU hotplug function declarations into a separate header
      with the goal to be able to use the lockdep assertions in a more
      flexible manner
 
    - As a result, refactor cacheinfo code after carving out a function
      to return the cache ID associated with a given cache level
 
    -  Cleanups
 
 - Add support to be able to kexec TDX guests. For that
 
    - Expand ACPI MADT CPU offlining support
 
    - Add machinery to prepare CoCo guests memory before kexec-ing into a new
      kernel
 
    - Cleanup, readjust and massage related code
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Merge tag 'x86_cc_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 confidential computing updates from Borislav Petkov:
 "Unrelated x86/cc changes queued here to avoid ugly cross-merges and
  conflicts:

   - Carve out CPU hotplug function declarations into a separate header
     with the goal to be able to use the lockdep assertions in a more
     flexible manner

   - As a result, refactor cacheinfo code after carving out a function
     to return the cache ID associated with a given cache level

   - Cleanups

  Add support to be able to kexec TDX guests:

   - Expand ACPI MADT CPU offlining support

   - Add machinery to prepare CoCo guests memory before kexec-ing into a
     new kernel

   - Cleanup, readjust and massage related code"

* tag 'x86_cc_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  ACPI: tables: Print MULTIPROC_WAKEUP when MADT is parsed
  x86/acpi: Add support for CPU offlining for ACPI MADT wakeup method
  x86/mm: Introduce kernel_ident_mapping_free()
  x86/smp: Add smp_ops.stop_this_cpu() callback
  x86/acpi: Do not attempt to bring up secondary CPUs in the kexec case
  x86/acpi: Rename fields in the acpi_madt_multiproc_wakeup structure
  x86/mm: Do not zap page table entries mapping unaccepted memory table during kdump
  x86/mm: Make e820__end_ram_pfn() cover E820_TYPE_ACPI ranges
  x86/tdx: Convert shared memory back to private on kexec
  x86/mm: Add callbacks to prepare encrypted memory for kexec
  x86/tdx: Account shared memory
  x86/mm: Return correct level from lookup_address() if pte is none
  x86/mm: Make x86_platform.guest.enc_status_change_*() return an error
  x86/kexec: Keep CR4.MCE set during kexec for TDX guest
  x86/relocate_kernel: Use named labels for less confusion
  cpu/hotplug, x86/acpi: Disable CPU offlining for ACPI MADT wakeup
  cpu/hotplug: Add support for declaring CPU offlining not supported
  x86/apic: Mark acpi_mp_wake_* variables as __ro_after_init
  x86/acpi: Extract ACPI MADT wakeup code into a separate file
  x86/kexec: Remove spurious unconditional JMP from from identity_mapped()
  ...
 2024-07-15 19:36:01 -07:00
Linus Torvalds
181a984b7d - Remove an unused function and the documentation of an already removed 
cmdline parameter
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Merge tag 'x86_cleanups_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cleanups from Borislav Petkov:

 - Remove an unused function and the documentation of an already removed
   cmdline parameter

* tag 'x86_cleanups_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot: Remove unused function __fortify_panic()
  Documentation: Remove "mfgpt_irq=" from the kernel-parameters.txt file
 2024-07-15 19:34:20 -07:00
Linus Torvalds
4578d072fa - Add a check to warn when cmdline parsing happens before the final cmdline 
string has been built and thus arguments can get lost
 
  - Code cleanups and simplifications
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Merge tag 'x86_boot_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 boot updates from Borislav Petkov:

 - Add a check to warn when cmdline parsing happens before the final
   cmdline string has been built and thus arguments can get lost

 - Code cleanups and simplifications

* tag 'x86_boot_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/setup: Warn when option parsing is done too early
  x86/boot: Clean up the arch/x86/boot/main.c code a bit
  x86/boot: Use current_stack_pointer to avoid asm() in init_heap()
 2024-07-15 19:31:59 -07:00
Linus Torvalds
208c6772d3 - This is basically PeterZ's idea to nest the alternative macros to avoid the 
need to "spell out" the number of alternates in an ALTERNATIVE_n() macro and
   thus have an ever-increasing complexity in those definitions.
 
   For ease of bisection, the old macros are converted to the new, nested
   variants in a step-by-step manner so that in case an issue is encountered
   during testing, one can pinpoint the place where it fails easier. Because
   debugging alternatives is a serious pain.
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Merge tag 'x86_alternatives_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 alternatives updates from Borislav Petkov:
 "This is basically PeterZ's idea to nest the alternative macros to
  avoid the need to "spell out" the number of alternates in an
  ALTERNATIVE_n() macro and thus have an ever-increasing complexity in
  those definitions.

  For ease of bisection, the old macros are converted to the new, nested
  variants in a step-by-step manner so that in case an issue is
  encountered during testing, one can pinpoint the place where it fails
  easier.

  Because debugging alternatives is a serious pain"

* tag 'x86_alternatives_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/alternatives, kvm: Fix a couple of CALLs without a frame pointer
  x86/alternative: Replace the old macros
  x86/alternative: Convert the asm ALTERNATIVE_3() macro
  x86/alternative: Convert the asm ALTERNATIVE_2() macro
  x86/alternative: Convert the asm ALTERNATIVE() macro
  x86/alternative: Convert ALTERNATIVE_3()
  x86/alternative: Convert ALTERNATIVE_TERNARY()
  x86/alternative: Convert alternative_call_2()
  x86/alternative: Convert alternative_call()
  x86/alternative: Convert alternative_io()
  x86/alternative: Convert alternative_input()
  x86/alternative: Convert alternative_2()
  x86/alternative: Convert alternative()
  x86/alternatives: Add nested alternatives macros
  x86/alternative: Zap alternative_ternary()
 2024-07-15 19:11:28 -07:00
Linus Torvalds
1467b49869 - A cleanup and a correction to the error injection driver to inject 
a MCA_MISC value only when one has actually been supplied by the user
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Merge tag 'ras_core_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull RAS updates from Borislav Petkov:

 - A cleanup and a correction to the error injection driver to inject a
   MCA_MISC value only when one has actually been supplied by the user

* tag 'ras_core_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce: Remove unused variable and return value in machine_check_poll()
  x86/mce/inject: Only write MCA_MISC when a value has been supplied
 2024-07-15 18:22:48 -07:00
Linus Torvalds
8028e290b6 - The AMD memory controllers data fabric version 4.5 supports 
non-power-of-2 denormalization in the sense that certain bits of the
   system physical address cannot be reconstructed from the normalized
   address reported by the RAS hardware. Add support for handling such
   addresses
 
 - Switch the EDAC drivers to the new Intel CPU model defines
 
 - The usual fixes and cleanups all over the place
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Merge tag 'edac_updates_for_v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

Pull EDAC updates from Borislav Petkov:

 - The AMD memory controllers data fabric version 4.5 supports
   non-power-of-2 denormalization in the sense that certain bits of the
   system physical address cannot be reconstructed from the normalized
   address reported by the RAS hardware. Add support for handling such
   addresses

 - Switch the EDAC drivers to the new Intel CPU model defines

 - The usual fixes and cleanups all over the place

* tag 'edac_updates_for_v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC: Add missing MODULE_DESCRIPTION() macros
  EDAC/dmc520: Use devm_platform_ioremap_resource()
  EDAC/igen6: Add Intel Arrow Lake-U/H SoCs support
  RAS/AMD/FMPM: Use atl internal.h for INVALID_SPA
  RAS/AMD/ATL: Implement DF 4.5 NP2 denormalization
  RAS/AMD/ATL: Validate address map when information is gathered
  RAS/AMD/ATL: Expand helpers for adding and removing base and hole
  RAS/AMD/ATL: Read DRAM hole base early
  RAS/AMD/ATL: Add amd_atl pr_fmt() prefix
  RAS/AMD/ATL: Add a missing module description
  EDAC, i10nm: make skx_common.o a separate module
  EDAC/skx: Switch to new Intel CPU model defines
  EDAC/sb_edac: Switch to new Intel CPU model defines
  EDAC, pnd2: Switch to new Intel CPU model defines
  EDAC/i10nm: Switch to new Intel CPU model defines
  EDAC/ghes: Add missing newline to pr_info() statement
  RAS/AMD/ATL: Add missing newline to pr_info() statement
  EDAC/thunderx: Remove unused struct error_syndrome
 2024-07-15 18:20:24 -07:00
Linus Torvalds
e23dd95cfd spi: Updates for v6.11 
There's some quite exciting core work in this release, we've got the
 beginnings of support for hardware initiated transfers which is itself
 independently useful for optimising fast paths in existing drivers.
 
 We also have a rework of the DMA mapping which allows finer grained
 decisions about DMA mapping messages and also helps remove some bodges
 that we'd had.
 
 Otherwise it's a fairly quiet release, a few new drivers and features
 for existing drivers, together with various cleanups and DT binding
 conversions.
 
 One regmap SPI fix made it's way in here too which I should probably
 have sent as a regmap fix instead.
 
  - Support for pre-optimising messages, reducing the overhead for
    messages that are repeatedly used (eg, reading the interrupt status
    from a device).  This will also be used for hardware initiated
    transfers in future.
  - A reworking of how DMA mapping is done, introducing a new helper and
    allowing the DMA mapping decision to be done per transfer instead of
    per message.
  - Support for Atmel SAMA7D64, Freescale LX2160A DSPI and WCH CH341A.
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Merge tag 'spi-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi updates from Mark Brown:
 "There's some quite exciting core work in this release, we've got the
  beginnings of support for hardware initiated transfers which is itself
  independently useful for optimising fast paths in existing drivers.

  We also have a rework of the DMA mapping which allows finer grained
  decisions about DMA mapping messages and also helps remove some bodges
  that we'd had.

  Otherwise it's a fairly quiet release, a few new drivers and features
  for existing drivers, together with various cleanups and DT binding
  conversions.

  One regmap SPI fix made it's way in here too which I should probably
  have sent as a regmap fix instead.

  Summary:

   - Support for pre-optimising messages, reducing the overhead for
     messages that are repeatedly used (eg, reading the interrupt status
     from a device). This will also be used for hardware initiated
     transfers in future.

   - A reworking of how DMA mapping is done, introducing a new helper
     and allowing the DMA mapping decision to be done per transfer
     instead of per message.

   - Support for Atmel SAMA7D64, Freescale LX2160A DSPI and WCH CH341A"

* tag 'spi-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (72 commits)
  spi: dt-bindings: at91: Add sama7d65 compatible string
  spi: add ch341a usb2spi driver
  spi: dt-bindings: fsl-dspi: add compatible string 'fsl,lx2160a-dspi'
  spi: dt-bindings: fsl-dspi: add dmas and dma-names properties
  spi: spi: Remove unnecessary ‘0’ values from status
  spi: spi: Remove unnecessary ‘0’ values from rc
  spi: xcomm: fix coding style
  spi: xcomm: remove i2c_set_clientdata()
  spi: xcomm: make use of devm_spi_alloc_host()
  spi: xcomm: add gpiochip support
  spi: dt-bindings: snps,dw-apb-ssi.yaml: update compatible property
  spi: dt-bindings: fsl-dspi: Convert to yaml format
  spi: fsl-dspi: use common proptery 'spi-cs-setup(hold)-delay-ns'
  spi: axi-spi-engine: remove platform_set_drvdata()
  spi: spi-fsl-lpspi: Pass pm_ptr()
  spi: spi-imx: Pass pm_ptr()
  spi: spi-fsl-lpspi: Switch to SYSTEM_SLEEP_PM_OPS()
  spi: spi-imx: Switch to RUNTIME_PM_OPS/SYSTEM_SLEEP_PM_OPS()
  spi: add EXPORT_SYMBOL_GPL(devm_spi_optimize_message)
  spi: add devm_spi_optimize_message() helper
  ...
 2024-07-15 18:03:43 -07:00
Linus Torvalds
584aeccc0b regulator: Updates for v6.11 
This s a very quiet release for the regulator API, we have a few new
 devices (most of which are just ID updates) and one new fairly
 specialist core feature for use in interrupt context.
 
  - An API allowing lockless enable/disable for regulators acquired in
    exclusive mode, for use in interrupt contexts.
  - A rewrite of the MedaTek DVFSRC regulator driver which apparently
    never worked.
  - Support for Mediaktek MT6312, Qualcomm QCA6390 and WCN7850, Renesas
    RZ/G2L USB VBUS regulator and ST Microelectronics STM32MP13.
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Merge tag 'regulator-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This s a very quiet release for the regulator API, we have a few new
  devices (most of which are just ID updates) and one new fairly
  specialist core feature for use in interrupt context.

   - An API allowing lockless enable/disable for regulators acquired in
     exclusive mode, for use in interrupt contexts

   - A rewrite of the MedaTek DVFSRC regulator driver which apparently
     never worked

   - Support for Mediaktek MT6312, Qualcomm QCA6390 and WCN7850, Renesas
     RZ/G2L USB VBUS regulator and ST Microelectronics STM32MP13"

* tag 'regulator-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (26 commits)
  regulator: dt-bindings: pca9450: Make interrupt optional
  regulator: pca9450: Make IRQ optional
  dt-bindings: regulator: sprd,sc2731-regulator: convert to YAML
  regulator: max77857: Constify struct regmap_config
  regulator: da9121: Constify struct regmap_config
  dt-bindings: regulator: ti,tps65132: document VIN supply
  dt-bindings: mfd: twl: Fix example
  regulator: Add Renesas RZ/G2L USB VBUS regulator driver
  regulator: core: Add helper for allow HW access to enable/disable regulator
  regulator: Add bindings for MediaTek DVFSRC Regulators
  regulator: Add refactored mtk-dvfsrc-regulator driver
  regulator: Remove mtk-dvfsrc-regulator.c
  regulator: userspace-consumer: quiet device deferral
  regulator: dt-bindings: mt6315: Document MT6319 PMIC
  regulator: add missing MODULE_DESCRIPTION() macro
  dt-bindings: regulator: twl-regulator: convert to yaml
  regulator: dt-bindings: describe the PMU module of the WCN7850 package
  regulator: dt-bindings: describe the PMU module of the QCA6390 package
  regulator: dt-bindings: rtq2208: Add specified fixed LDO VOUT property
  regulator: rtq2208: Add fixed LDO VOUT property and check that matches the constraints
  ...
 2024-07-15 17:59:12 -07:00
Linus Torvalds
25617a5c45 regmap: Updates for v6.11 
There's one new feature here, a regmap_multi_reg_read() matching the
 existing write function which has some IIO users coming.  This allows
 atomic reads from multiple registers without the need to wrap a higher
 level lock in the client driver just for regmap (which already has locks
 anyway).  We also have one fix for the KUnit tests, and a bunch of
 cleanups.
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Merge tag 'regmap-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "There's one new feature here, a regmap_multi_reg_read() matching the
  existing write function which has some IIO users coming.

  This allows atomic reads from multiple registers without the need to
  wrap a higher level lock in the client driver just for regmap (which
  already has locks anyway).

  We also have one fix for the KUnit tests, and a bunch of cleanups"

* tag 'regmap-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: kunit: Add test cases for regmap_multi_reg_(read,write}()
  regmap: Implement regmap_multi_reg_read()
  regmap-irq: handle const struct regmap_irq_sub_irq_map
  const_structs.checkpatch: add regmap structs
  regmap: add missing MODULE_DESCRIPTION() macros
  regmap-i2c: add missing MODULE_DESCRIPTION() macro
  regmap: kunit: Use array_size() and sizeof(*ptr) consistently
  regmap: maple: Switch to use kmemdup_array()
  regmap: cache: Switch to use kmemdup_array()
  regmap: cache: Use correct type of the rb_for_each() parameter
  regmap: Switch to use kmemdup_array()
  regmap: kunit: add missing MODULE_DESCRIPTION()
  regmap: kunit: Fix memory leaks in gen_regmap() and gen_raw_regmap()
 2024-07-15 17:56:11 -07:00
Linus Torvalds
b3c0eccb48 gpio updates for v6.11-rc1 
GPIOLIB core:
 - rework kfifo handling rework in the character device code
 - improve the labeling of GPIOs requested as interrupts and show more info
   on interrupt-only GPIOs in debugfs
 - remove unused APIs
 - unexport interfaces that are only used from the core GPIO code
 - drop the return value from gpiochip_set_desc_names() as it cannot fail
 - move a string array definition out of a header and into a specific
   compilation unit
 - convert the last user of gpiochip_get_desc() other than GPIO core to using
   a safer alternative
 - use array_index_nospec() where applicable
 
 New drivers:
 - add a "virtual GPIO consumer" module that allows requesting GPIOs from actual
   hardware and driving tests of the in-kernel GPIO API from user-space over
   debugfs
 - add a GPIO-based "sloppy" logic analyzer module useful for "first glance"
   debugging on remote boards
 
 Driver improvements:
 - add support for a new model to gpio-pca953x
 - lock GPIOs as interrupts in gpio-sim when the lines are requested as irqs
   via the simulator domain + some other minor improvements
 - improve error reporting in gpio-syscon
 - convert gpio-ath79 to using dynamic GPIO base and range
 - use pcibios_err_to_errno() for converting PCIBIOS error codes to errno
   vaues in gpio-amd8111 and gpio-rdc321x
 - allow building gpio-brcmstb for the BCM2835 architecture
 
 DT bindings:
 - convert DT bindings for lsi,zevio, mpc8xxx, and atmel to DT schema
 - document new properties for aspeed,gpio, fsl,qoriq-gpio and gpio-vf610
 - document new compatibles for pca953x and fsl,qoriq-gpio
 
 Documentation:
 - document stricter behavior of the GPIO character device uAPI with regards to
   reconfiguring requested line without direction set
 - clarify the effect of the active-low flag on line values and edges
 - remove documentation for the legacy GPIO API in order to stop tempting
   people to use it
 - document the preference for using pread() for reading edge events in the
   sysfs API
 
 Other:
 - add an extended initializer to the interrupt simulator allowing to specify
   a number of callbacks callers can use to be notified about irqs being
   requested and released
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Merge tag 'gpio-updates-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio updates from Bartosz Golaszewski:
 "The majority of added lines are two new modules: the GPIO virtual
  consumer module that improves our ability to add automated tests for
  the kernel API and the "sloppy" logic analyzer module that uses the
  GPIO API to implement a coarse-grained debugging tool for useful for
  remote development.

  Other than that we have the usual assortment of various driver
  extensions, improvements to the core GPIO code, DT-bindings and other
  documentation updates as well as an extension to the interrupt
  simulator:

  GPIOLIB core:
   - rework kfifo handling rework in the character device code
   - improve the labeling of GPIOs requested as interrupts and show more
     info on interrupt-only GPIOs in debugfs
   - remove unused APIs
   - unexport interfaces that are only used from the core GPIO code
   - drop the return value from gpiochip_set_desc_names() as it cannot
     fail
   - move a string array definition out of a header and into a specific
     compilation unit
   - convert the last user of gpiochip_get_desc() other than GPIO core
     to using a safer alternative
   - use array_index_nospec() where applicable

  New drivers:
   - add a "virtual GPIO consumer" module that allows requesting GPIOs
     from actual hardware and driving tests of the in-kernel GPIO API
     from user-space over debugfs
   - add a GPIO-based "sloppy" logic analyzer module useful for "first
     glance" debugging on remote boards

  Driver improvements:
   - add support for a new model to gpio-pca953x
   - lock GPIOs as interrupts in gpio-sim when the lines are requested
     as irqs via the simulator domain + some other minor improvements
   - improve error reporting in gpio-syscon
   - convert gpio-ath79 to using dynamic GPIO base and range
   - use pcibios_err_to_errno() for converting PCIBIOS error codes to
     errno vaues in gpio-amd8111 and gpio-rdc321x
   - allow building gpio-brcmstb for the BCM2835 architecture

  DT bindings:
   - convert DT bindings for lsi,zevio, mpc8xxx, and atmel to DT schema
   - document new properties for aspeed,gpio, fsl,qoriq-gpio and
     gpio-vf610
   - document new compatibles for pca953x and fsl,qoriq-gpio

  Documentation:
   - document stricter behavior of the GPIO character device uAPI with
     regards to reconfiguring requested line without direction set
   - clarify the effect of the active-low flag on line values and edges
   - remove documentation for the legacy GPIO API in order to stop
     tempting people to use it
   - document the preference for using pread() for reading edge events
     in the sysfs API

  Other:
   - add an extended initializer to the interrupt simulator allowing to
     specify a number of callbacks callers can use to be notified about
     irqs being requested and released"

* tag 'gpio-updates-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (41 commits)
  gpio: mc33880: Convert comma to semicolon
  gpio: virtuser: actually use the "trimmed" local variable
  dt-bindings: gpio: convert Atmel GPIO to json-schema
  gpio: virtuser: new virtual testing driver for the GPIO API
  dt-bindings: gpio: vf610: Allow gpio-line-names to be set
  gpio: sim: lock GPIOs as interrupts when they are requested
  genirq/irq_sim: add an extended irq_sim initializer
  dt-bindings: gpio: fsl,qoriq-gpio: Add compatible string fsl,ls1046a-gpio
  gpiolib: unexport gpiochip_get_desc()
  gpio: add sloppy logic analyzer using polling
  Documentation: gpio: Reconfiguration with unset direction (uAPI v2)
  Documentation: gpio: Reconfiguration with unset direction (uAPI v1)
  dt-bindings: gpio: fsl,qoriq-gpio: add common property gpio-line-names
  gpio: ath79: convert to dynamic GPIO base allocation
  pinctrl: da9062: replace gpiochip_get_desc() with gpio_device_get_desc()
  gpiolib: put gpio_suffixes in a single compilation unit
  Documentation: gpio: Clarify effect of active low flag on line edges
  Documentation: gpio: Clarify effect of active low flag on line values
  gpiolib: Remove data-less gpiochip_add() function
  gpio: sim: use devm_mutex_init()
  ...
 2024-07-15 17:53:24 -07:00
Linus Torvalds
3f32ab146c MMC host: 
- Convert from using tasklet to the BH workqueue
  - dw_mmc-bluefield: Add support for eMMC HW reset
  - mmc_spi: Allow spi controllers incapable of lower than 400kHz
  - sdhci: Rework code to eliminate SDHCI_QUIRK_UNSTABLE_RO_DETECT
  - sdhci-brcmstb: Add support for the BCM2712 variant
  - sdhci-esdhc-imx: Disable card-detect as system wakeup on S32G platforms
  - sdhci-msm: Add support for the SDX75 variant
  - sdhci-of-dwcmshc: Enable CQE support for some Rockchip variants
  - sdhci-of-esdhc: Convert DT-bindings to yaml
  - sdhci-sprd: Convert DT-bindings to yaml
 
 MEMSTICK:
  - rtsx_pci_ms: Remove the unused Realtek PCI memstick driver
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Merge tag 'mmc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC host:
   - Convert from using tasklet to the BH workqueue
   - dw_mmc-bluefield: Add support for eMMC HW reset
   - mmc_spi: Allow spi controllers incapable of lower than 400kHz
   - sdhci: Rework code to eliminate SDHCI_QUIRK_UNSTABLE_RO_DETECT
   - sdhci-brcmstb: Add support for the BCM2712 variant
   - sdhci-esdhc-imx: Disable card-detect as system wakeup on S32G platforms
   - sdhci-msm: Add support for the SDX75 variant
   - sdhci-of-dwcmshc: Enable CQE support for some Rockchip variants
   - sdhci-of-esdhc: Convert DT-bindings to yaml
   - sdhci-sprd: Convert DT-bindings to yaml

  MEMSTICK:
   - rtsx_pci_ms: Remove the unused Realtek PCI memstick driver"

* tag 'mmc-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (26 commits)
  MAINTAINERS: add 's32@nxp.com' as relevant mailing list for 'sdhci-esdhc-imx' driver
  mmc: sdhci-esdhc-imx: obtain the 'per' clock rate after its enablement
  mmc: sdhci-esdhc-imx: disable card detect wake for S32G based platforms
  dt-bindings: mmc: sdhci-sprd: convert to YAML
  mmc: davinci_mmc: report all possible bus widths
  mmc: dw_mmc-bluefield: Add support for eMMC HW reset
  mmc: dw_mmc: Add support for platform specific eMMC HW reset
  mmc: sdhci_am654: Constify struct regmap_config
  mmc: Convert from tasklet to BH workqueue
  mmc: sdhi: Convert from tasklet to BH workqueue
  mmc: mmc_spi: allow for spi controllers incapable of getting as low as 400k
  memstick: rtsx_pci_ms: Remove Realtek PCI memstick driver
  MAINTAINERS: drop entry for VIA SD/MMC controller
  mmc: tmio: Remove obsolete .set_pwr() callback()
  mfd: tmio: Remove obsolete .set_clk_div() callback
  mmc: sdhci-brcmstb: Add ARCH_BCM2835 option
  mmc: sdhci: Eliminate SDHCI_QUIRK_UNSTABLE_RO_DETECT
  dt-bindings: mmc: Convert fsl-esdhc.txt to yaml
  dt-bindings: mmc: mmc-spi-slot: Change voltage-ranges to uint32-matrix
  mmc: add missing MODULE_DESCRIPTION() macros
  ...
 2024-07-15 17:48:12 -07:00
Linus Torvalds
d46ede3188 pmdomain core: 
- Add support for HW-managed devices
 
 pmdomain providers:
  - amlogic: Add support for the A5 and the A4 power domains
  - arm: Enable system wakeups for the SCMI PM domain
  - qcom/clk: Add HW-mode callbacks to allow switching of GDSC mode
 
 pmdomain consumers:
  - qcom/media/venus: Enable support for switching GDSC HW-mode on V6
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Merge tag 'pmdomain-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain updates from Ulf Hansson:
 "pmdomain core:
   - Add support for HW-managed devices

  pmdomain providers:
   - amlogic: Add support for the A5 and the A4 power domains
   - arm: Enable system wakeups for the SCMI PM domain
   - qcom/clk: Add HW-mode callbacks to allow switching of GDSC mode

  pmdomain consumers:
   - qcom/media/venus: Enable support for switching GDSC HW-mode on V6"

* tag 'pmdomain-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
  pmdomain: amlogic: Constify struct meson_secure_pwrc_domain_desc
  venus: pm_helpers: Use dev_pm_genpd_set_hwmode to switch GDSC mode on V6
  clk: qcom: videocc: Use HW_CTRL_TRIGGER for SM8250, SC7280 vcodec GDSC's
  clk: qcom: gdsc: Add set and get hwmode callbacks to switch GDSC mode
  PM: domains: Add the domain HW-managed mode to the summary
  PM: domains: Allow devices attached to genpd to be managed by HW
  pmdomain: amlogic: Add support for A5 power domains controller
  dt-bindings: power: add Amlogic A5 power domains
  pmdomain: amlogic: add missing MODULE_DESCRIPTION() macros
  pmdomain: arm: scmi_pm_domain: set flag GENPD_FLAG_ACTIVE_WAKEUP
  pmdomain: renesas: rmobile-sysc: Use for_each_child_of_node_scoped()
  pmdomain: core: Use genpd_is_irq_safe() helper
  pmdomain: amlogic: Add support for A4 power domains controller
  dt-bindings: power: add Amlogic A4 power domains
 2024-07-15 17:44:59 -07:00
Linus Torvalds
c6e63a9882 pwm: Changes for v6.11-rc1 
This contains the usual mix of fixes, cleanups, two new drivers and
 several dt binding updates. The fixes are for minor issues that are
 already old (4.11-rc1 and 3.9-rc1) and were found by code review and not
 during usage, so I didn't sent them for earlier inclusion.
 
 The changes to include/linux/mfd/stm32-timers.h and
 drivers/counter/stm32-timer-cnt.c are part of an immutable branch that
 will also be included in the mfd and counter PR. It changes some
 register definitions and affects the pwm-stm32 driver.
 
 Thanks go to Andy Shevchenko, AngeloGioacchino Del Regno, Conor Dooley,
 David Lechner, Dhruva Gole, Drew Fustini, Frank Li, Jeff Johnson, Junyi
 Zhao, Kelvin Zhang, Krzysztof Kozlowski, Lee Jones, Linus Walleij, Linus
 Walleij, Michael Hennerich, Nicola Di Lieto, Nicolas Ferre, Nuno Sa,
 Paul Cercueil, Raag Jadav, Rob Herring, Sean Anderson, Sean Young,
 Shenwei Wang, Stefan Wahren, Trevor Gamblin, Tzung-Bi Shih, Vincent
 Whitchurch and William Breathitt Gray for their contributions to this
 pull request; they authored changes, spend time reviewing changes and
 coordinated the above mentioned immutable branch.
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Merge tag 'pwm/for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux

Pull pwm updates from Uwe Kleine-König:
 "This contains the usual mix of fixes, cleanups, two new drivers and
  several dt binding updates. The fixes are for minor issues that are
  already old (4.11-rc1 and 3.9-rc1) and were found by code review and
  not during usage, so I didn't sent them for earlier inclusion.

  The changes to include/linux/mfd/stm32-timers.h and
  drivers/counter/stm32-timer-cnt.c are part of an immutable branch that
  will also be included in the mfd and counter pulls. It changes some
  register definitions and affects the pwm-stm32 driver.

  Thanks go to Andy Shevchenko, AngeloGioacchino Del Regno, Conor
  Dooley, David Lechner, Dhruva Gole, Drew Fustini, Frank Li, Jeff
  Johnson, Junyi Zhao, Kelvin Zhang, Krzysztof Kozlowski, Lee Jones,
  Linus Walleij, Linus Walleij, Michael Hennerich, Nicola Di Lieto,
  Nicolas Ferre, Nuno Sa, Paul Cercueil, Raag Jadav, Rob Herring, Sean
  Anderson, Sean Young, Shenwei Wang, Stefan Wahren, Trevor Gamblin,
  Tzung-Bi Shih, Vincent Whitchurch and William Breathitt Gray for their
  contributions to this pull request; they authored changes, spend time
  reviewing changes and coordinated the above mentioned immutable
  branch"

* tag 'pwm/for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: (38 commits)
  pwm: axi-pwmgen: add .max_register to regmap
  dt-bindings: pwm: at91: Add sama7d65 compatible string
  pwm: atmel-tcb: Make private data variable naming consistent
  pwm: atmel-tcb: Simplify checking the companion output
  pwm: Allow pwm state transitions from an invalid state
  pwm: xilinx: Simplify using devm_ functions
  pwm: Use guards for pwm_lookup_lock instead of explicity mutex_lock + mutex_unlock
  pwm: Use guards for export->lock instead of explicity mutex_lock + mutex_unlock
  pwm: Use guards for pwm_lock instead of explicity mutex_lock + mutex_unlock
  pwm: Register debugfs operations after the pwm class
  pwm: imx-tpm: Enable pinctrl setting for sleep state
  pwm: lpss: drop redundant runtime PM handles
  pwm: lpss: use devm_pm_runtime_enable() helper
  pwm-stm32: Make use of parametrised register definitions
  dt-bindings: pwm: imx: remove interrupt property from required
  pwm: meson: Add support for Amlogic S4 PWM
  pwm: Add GPIO PWM driver
  dt-bindings: pwm: Add pwm-gpio
  pwm: Drop pwm_apply_state()
  bus: ts-nbus: Use pwm_apply_might_sleep()
  ...
 2024-07-15 17:42:28 -07:00
Linus Torvalds
500a711df6 hwmon updates for v6.11-rc1 
* Obsolete driver removals
 
   - Removed obsolete adm1021 and max6642 drivers
 
 * New drivers
 
   - MPS MP2891
 
   - MPS MP2993
 
   - MPS MP9941
 
   - MPS MP5920
 
   - SPD5118 (Temperature Sensor and EEPROM)
 
 * Added device support to existing drivers
 
   - g762: G761
 
   - dell-smm: Dell OptiPlex 7060
 
   - asus-ec-sensors: ProArt X670E-CREATOR WIFI
 
   - corsair-psu: HX1200i Series 2023 psu
 
   - nzxt-smart2: Additional USB IS for NZXT RGB & Fan Controller
 
 * Notable enhancements and fixes
 
   - Removed use of i2c_match_id()
 
   - Constified struct regmap_config where feasible
 
   - Cleaned up amc6821 driver, and converted to use regmap and with_info API
 
   - Converted max6639 driver to use with_info API; added support for
     additional sysfs attributes
 
   - Fixed various sysfs attribute underflows
 
   - Added PEC support to hwmon core, and use in lm90 and max31827 drivers
 
 * Various other minor fixes and improvements
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Merge tag 'hwmon-for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon updates from Guenter Roeck:
 "Obsolete driver removals:

   - Removed obsolete adm1021 and max6642 drivers

  New drivers:

   - MPS MP2891, MP2993, MP9941, and MP5920

   - SPD5118 (Temperature Sensor and EEPROM)

  Added device support to existing drivers:

   - g762: G761

   - dell-smm: Dell OptiPlex 7060

   - asus-ec-sensors: ProArt X670E-CREATOR WIFI

   - corsair-psu: HX1200i Series 2023 psu

   - nzxt-smart2: Additional USB IS for NZXT RGB & Fan Controller

  Notable enhancements and fixes:

   - Removed use of i2c_match_id()

   - Constified struct regmap_config where feasible

   - Cleaned up amc6821 driver, and converted to use regmap and
     with_info API

   - Converted max6639 driver to use with_info API; added support for
     additional sysfs attributes

   - Fixed various sysfs attribute underflows

   - Added PEC support to hwmon core, and use in lm90 and max31827
     drivers

  And various other minor fixes and improvements"

* tag 'hwmon-for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (103 commits)
  hwmon: (max6697) Fix swapped temp{1,8} critical alarms
  hwmon: (max6697) Fix underflow when writing limit attributes
  hwmon: Remove obsolete adm1021 and max6642 drivers
  hwmon: (pmbus/ltc4286) Drop unused i2c device ids
  hwmon: (g762) Initialize fans after configuring clock
  hwmon: (amc6821) Add support for pwm1_mode attribute
  hwmon: (amc6821) Convert to with_info API
  hwmon: (amc6821) Convert to use regmap
  hwmon: (amc6821) Drop unnecessary enum chips
  hwmon: (amc6821) Use BIT() and GENMASK()
  hwmon: (amc6821) Use tabs for column alignment in defines
  hwmon: (amc6821) Reorder include files, drop unnecessary ones
  hwmon: (amc6821) Add support for fan1_target and pwm1_enable mode 4
  hwmon: (amc6821) Rename fan1_div to fan1_pulses
  hwmon: (amc6821) Make reading and writing fan speed limits consistent
  hwmon: (amc6821) Stop accepting invalid pwm values
  hwmon: (w83627ehf) Fix underflows seen when writing limit attributes
  hwmon: (nct6775-core) Fix underflows seen when writing limit attributes
  hwmon: (lm95234) Fix underflows seen when writing limit attributes
  hwmon: (adc128d818) Fix underflows seen when writing limit attributes
  ...
 2024-07-15 17:39:13 -07:00
Linus Torvalds
e763c9ec71 pwrseq updates for v6.11-rc1 
- add the pwrseq core framework
 - add the first power sequencing driver: pwrseq-qcom-wcn
 - add power control (pwrctl) changes to PCI core
 - add the first PCI pwrctl power sequencing driver
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Merge tag 'pwrseq-updates-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull power sequencing updates from Bartosz Golaszewski:
 "This has been in development since last year's Linux Plumbers
  Conference and was inspired by the need to enable support upstream for
  Bluetooth/WLAN chips on Qualcomm platforms.

  The main problem we're fixing is powering up devices which are
  represented as separate objects in the kernel (binding to different
  drivers) but which share parts of the power-up sequence and thus need
  some kind of a mediator who knows the possible interactions and can
  assure they don't interfere with neither device's bring up. An example
  of such an inter-driver interaction is the WCN family of BT/WLAN chips
  from Qualcomm of which some models require the user to observe a
  certain delay between driving the bt-enable and wlan-enable GPIOs.

  This is not a new problem but up to this point all attempts at
  addressing it ended up hitting one wall or another and being dropped.
  The main obstacle was the fact that most these attempts tried to
  introduce the concept of a "power sequence" into the device-tree
  bindings which breaks the main DT rule: describe the hardware, not its
  behavior. The solution I proposed focuses on making the power
  sequencer drivers interpret the actual HW description flexibly. More
  details on that are in the linked cover letter.

  The second problem fixed here is powering up PCI devices before they
  are detected on the bus. This is achieved by creating special platform
  devices for device-tree nodes describing hard-wired PCI devices which
  bind to the so-called PCI power control drivers which enable required
  resources and trigger a bus rescan once the controlled device is up
  then setup the correct devlink hierarchy for power-management.

  By combining the two new frameworks we implemented the power
  sequencing PCI power control driver which is capable of powering up
  the WLAN modules of the QCom WCN family of chipsets.

  All this has spent a significant amount of time in linux-next and
  enabled WLAN/BT support on several Qualcomm platforms. To further
  prove that this is useful and needed: right after this was picked up
  into next, I was sent a series using the subsystem for a similar
  use-case on Amlogic platforms.

  This contains the core power sequencing framework, the first driver,
  PCI changes using the pwrseq library (blessed by Bjorn Helgaas) and
  some fixes that came later"

* tag 'pwrseq-updates-for-v6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  PCI/pwrctl: only call of_platform_populate() if CONFIG_OF is enabled
  power: sequencing: simplify returning pointer without cleanup
  PCI/pwrctl: Add a PCI power control driver for power sequenced devices
  PCI/pwrctl: Add PCI power control core code
  PCI/pwrctl: Create platform devices for child OF nodes of the port node
  PCI/pwrctl: Reuse the OF node for power controlled devices
  PCI: Hold the rescan mutex when scanning for the first time
  power: pwrseq: add a driver for the PMU module on the QCom WCN chipsets
  power: sequencing: implement the pwrseq core
 2024-07-15 17:34:31 -07:00
Linus Torvalds
cdf471c348 chrome platform firmware changes for 6.11 
* Minor cleanups.
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Merge tag 'tag-chrome-platform-firmware-for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform firmware update from Tzung-Bi Shih:

 - Minor cleanup: add missing MODULE_DESCRIPTION

* tag 'tag-chrome-platform-firmware-for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  firmware: google: add missing MODULE_DESCRIPTION() macros
 2024-07-15 17:28:40 -07:00
Linus Torvalds
89c4913893 chrome platform changes for 6.11 
* New
 
   - Add "cros_ec_hwmon" driver to expose fan speed and temperature.
 
   - Add "cros_charge-control" driver to control charge thresholds and
     behaviour.
 
   - Add module parameter "log_poll_period_ms" in cros_ec_debugfs for
     tuning the poll period.
 
   - Support version 3 of EC_CMD_GET_NEXT_EVENT and keyboard matrix.
 
 * Fixes
 
   - Fix a race condition in accessing MEC (Microchip EC) memory between
     ACPI and kernel.  Serialize the memory access by an AML (ACPI
     Machine Language) mutex.
 
   - Fix an issue of wrong EC message version in cros_ec_debugfs.
 
 * Misc
 
   - Fix kernel-doc errors and cleanups.
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Merge tag 'tag-chrome-platform-for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Tzung-Bi Shih:
 "New code:

   - Add "cros_ec_hwmon" driver to expose fan speed and temperature

   - Add "cros_charge-control" driver to control charge thresholds and
     behaviour

   - Add module parameter "log_poll_period_ms" in cros_ec_debugfs for
     tuning the poll period

   - Support version 3 of EC_CMD_GET_NEXT_EVENT and keyboard matrix

  Fixes:

   - Fix a race condition in accessing MEC (Microchip EC) memory between
     ACPI and kernel. Serialize the memory access by an AML (ACPI
     Machine Language) mutex

   - Fix an issue of wrong EC message version in cros_ec_debugfs

  Misc:

   - Fix kernel-doc errors and cleanups"

* tag 'tag-chrome-platform-for-v6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: (28 commits)
  power: supply: cros_charge-control: Fix signedness bug in charge_behaviour_store()
  power: supply: cros_charge-control: Avoid accessing attributes out of bounds
  power: supply: cros_charge-control: don't load if Framework control is present
  power: supply: add ChromeOS EC based charge control driver
  platform/chrome: cros_ec_proto: Introduce cros_ec_get_cmd_versions()
  platform/chrome: Update binary interface for EC-based charge control
  ACPI: battery: add devm_battery_hook_register()
  dt-bindings: input: cros-ec-keyboard: Add keyboard matrix v3.0
  platform/chrome: cros_ec_lpc: Handle zero length read/write
  platform/chrome: cros_ec_lpc: Fix error code in cros_ec_lpc_mec_read_bytes()
  platform/chrome: cros_ec_debugfs: fix wrong EC message version
  platform/chrome: cros_ec_proto: update Kunit test for get_next_data_v3
  platform/chrome: cros_ec_proto: add missing MODULE_DESCRIPTION() macro
  hwmon: (cros_ec) Fix access to restricted __le16
  hwmon: (cros_ec) Prevent read overflow in probe()
  platform/chrome: cros_ec_lpc: Add quirks for Framework Laptop
  platform/chrome: cros_ec_lpc: Add a new quirk for AML mutex
  platform/chrome: cros_ec_lpc: Add a new quirk for ACPI id
  platform/chrome: cros_ec_lpc: MEC access can use an AML mutex
  platform/chrome: cros_ec_lpc: MEC access can return error code
  ...
 2024-07-15 17:25:38 -07:00
Linus Torvalds
d8764c1931 workqueue: Fixes for v6.11-rc1 
cpus_read_lock() is dropped from workqueue creation path but there were
 still remaining lockdep_assert_cpus_held() triggering spurious lockdep
 failures. Remove them.
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Merge tag 'wq-for-6.11-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue fix from Tejun Heo:
 "cpus_read_lock() was dropped from workqueue creation path but there
  were still remaining lockdep_assert_cpus_held() triggering spurious
  lockdep failures. Remove them"

* tag 'wq-for-6.11-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Remove unneeded lockdep_assert_cpus_held()
 2024-07-15 17:23:32 -07:00
Linus Torvalds
c89d780cc1 arm64 updates for 6.11: 
* Virtual CPU hotplug support for arm64 ACPI systems
 
 * cpufeature infrastructure cleanups and making the FEAT_ECBHB ID bits
   visible to guests
 
 * CPU errata: expand the speculative SSBS workaround to more CPUs
 
 * arm64 ACPI:
 
   - acpi=nospcr option to disable SPCR as default console for arm64
 
   - Move some ACPI code (cpuidle, FFH) to drivers/acpi/arm64/
 
 * GICv3, use compile-time PMR values: optimise the way regular IRQs are
   masked/unmasked when GICv3 pseudo-NMIs are used, removing the need for
   a static key in fast paths by using a priority value chosen
   dynamically at boot time
 
 * arm64 perf updates:
 
   - Rework of the IMX PMU driver to enable support for I.MX95
 
   - Enable support for tertiary match groups in the CMN PMU driver
 
   - Initial refactoring of the CPU PMU code to prepare for the fixed
     instruction counter introduced by Arm v9.4
 
   - Add missing PMU driver MODULE_DESCRIPTION() strings
 
   - Hook up DT compatibles for recent CPU PMUs
 
 * arm64 kselftest updates:
 
   - Kernel mode NEON fp-stress
 
   - Cleanups, spelling mistakes
 
 * arm64 Documentation update with a minor clarification on TBI
 
 * Miscellaneous:
 
   - Fix missing IPI statistics
 
   - Implement raw_smp_processor_id() using thread_info rather than a
     per-CPU variable (better code generation)
 
   - Make MTE checking of in-kernel asynchronous tag faults conditional
     on KASAN being enabled
 
   - Minor cleanups, typos
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:
 "The biggest part is the virtual CPU hotplug that touches ACPI,
  irqchip. We also have some GICv3 optimisation for pseudo-NMIs that has
  been queued via the arm64 tree. Otherwise the usual perf updates,
  kselftest, various small cleanups.

  Core:

   - Virtual CPU hotplug support for arm64 ACPI systems

   - cpufeature infrastructure cleanups and making the FEAT_ECBHB ID
     bits visible to guests

   - CPU errata: expand the speculative SSBS workaround to more CPUs

   - GICv3, use compile-time PMR values: optimise the way regular IRQs
     are masked/unmasked when GICv3 pseudo-NMIs are used, removing the
     need for a static key in fast paths by using a priority value
     chosen dynamically at boot time

  ACPI:

   - 'acpi=nospcr' option to disable SPCR as default console for arm64

   - Move some ACPI code (cpuidle, FFH) to drivers/acpi/arm64/

  Perf updates:

   - Rework of the IMX PMU driver to enable support for I.MX95

   - Enable support for tertiary match groups in the CMN PMU driver

   - Initial refactoring of the CPU PMU code to prepare for the fixed
     instruction counter introduced by Arm v9.4

   - Add missing PMU driver MODULE_DESCRIPTION() strings

   - Hook up DT compatibles for recent CPU PMUs

  Kselftest updates:

   - Kernel mode NEON fp-stress

   - Cleanups, spelling mistakes

  Miscellaneous:

   - arm64 Documentation update with a minor clarification on TBI

   - Fix missing IPI statistics

   - Implement raw_smp_processor_id() using thread_info rather than a
     per-CPU variable (better code generation)

   - Make MTE checking of in-kernel asynchronous tag faults conditional
     on KASAN being enabled

   - Minor cleanups, typos"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (69 commits)
  selftests: arm64: tags: remove the result script
  selftests: arm64: tags_test: conform test to TAP output
  perf: add missing MODULE_DESCRIPTION() macros
  arm64: smp: Fix missing IPI statistics
  irqchip/gic-v3: Fix 'broken_rdists' unused warning when !SMP and !ACPI
  ACPI: Add acpi=nospcr to disable ACPI SPCR as default console on ARM64
  Documentation: arm64: Update memory.rst for TBI
  arm64/cpufeature: Replace custom macros with fields from ID_AA64PFR0_EL1
  KVM: arm64: Replace custom macros with fields from ID_AA64PFR0_EL1
  perf: arm_pmuv3: Include asm/arm_pmuv3.h from linux/perf/arm_pmuv3.h
  perf: arm_v6/7_pmu: Drop non-DT probe support
  perf/arm: Move 32-bit PMU drivers to drivers/perf/
  perf: arm_pmuv3: Drop unnecessary IS_ENABLED(CONFIG_ARM64) check
  perf: arm_pmuv3: Avoid assigning fixed cycle counter with threshold
  arm64: Kconfig: Fix dependencies to enable ACPI_HOTPLUG_CPU
  perf: imx_perf: add support for i.MX95 platform
  perf: imx_perf: fix counter start and config sequence
  perf: imx_perf: refactor driver for imx93
  perf: imx_perf: let the driver manage the counter usage rather the user
  perf: imx_perf: add macro definitions for parsing config attr
  ...
 2024-07-15 17:06:19 -07:00
Lai Jiangshan
aa8684755a workqueue: Remove unneeded lockdep_assert_cpus_held() 
The commit 19af457573 ("workqueue: Remove cpus_read_lock() from
apply_wqattrs_lock()") removes the unneed cpus_read_lock() after the pwq
creations and installations have been reworked based on wq_online_cpumask
rather than cpu_online_mask making cpus_read_lock() is unneeded during
wqattrs changes.

But it desn't remove the lockdep_assert_cpus_held() checks during wqattrs
changes, which leads to complaints from lockdep reported by kernel test
robot:

[   15.726567][  T131] ------------[ cut here ]------------
[ 15.728117][ T131] WARNING: CPU: 1 PID: 131 at kernel/cpu.c:525 lockdep_assert_cpus_held (kernel/cpu.c:525)
[   15.731191][  T131] Modules linked in: floppy(+) parport_pc(+) parport qemu_fw_cfg rtc_cmos
[   15.733423][  T131] CPU: 1 PID: 131 Comm: systemd-udevd Tainted: G                T  6.10.0-rc2-00254-g19af45757383 #1 df6f039f42e8818bf9a534449362ebad1aad32e2
[   15.737011][  T131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 15.739760][ T131] EIP: lockdep_assert_cpus_held (kernel/cpu.c:525)
[ 15.741326][ T131] Code: 97 c2 03 72 20 83 3d f4 73 97 c2 00 74 17 55 89 e5 b8 fc bd 4d c2 ba ff ff ff ff e8 e4 57 d1 00 85 c0 74 06 5d 31 c0 31 d2 c3 <0f> 0b eb f6 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 89 e5 b8

Fix it by removing the unneeded lockdep_assert_cpus_held().
Also remove the unneed cpus_read_lock() from wq_affn_dfl_set().

tj: Dropped the removal of cpus_read_lock/unlock() in wq_affn_dfl_set() to
    keep this patch fix only.

Cc: kernel test robot <oliver.sang@intel.com>
Fixes: 19af45757383("workqueue: Remove cpus_read_lock() from apply_wqattrs_lock()")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202407141846.665c0446-lkp@intel.com
Signed-off-by: Lai Jiangshan <jiangshan.ljs@antgroup.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
 2024-07-15 14:01:14 -10:00
Linus Torvalds
bbb3556c01 Hi, 
Contains cosmetic fixes only.
 
 BR, Jarkko
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Merge tag 'keys-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull keys updates from Jarkko Sakkinen:
 "Contains cosmetic fixes only"

* tag 'keys-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  KEYS: encrypted: add missing MODULE_DESCRIPTION()
  KEYS: trusted: add missing MODULE_DESCRIPTION()
 2024-07-15 16:59:58 -07:00
Linus Torvalds
4cb9dc10a6 Hi, 
Contains couuple of bug fixes.
 
 BR, Jarkko
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Merge tag 'tpmdd-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd

Pull tpm updates from Jarkko Sakkinen:
 "A couple of bug fixes.

  No new features are coming for this release. I had one in progress but
  decided to let it mature up until 6.12"

* tag 'tpmdd-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
  tpm_tis_spi: add missing attpm20p SPI device ID entry
  char: tpm: Fix possible memory leak in tpm_bios_measurements_open()
 2024-07-15 16:57:27 -07:00
Linus Torvalds
b02c520fee workqueue: Changes for v6.11 
- Lai fixed a bug where CPU hotplug and workqueue attribute changes race
   leaving some workqueues not fully updated. This involved refactoring and
   changing how online CPUs are tracked. The resulting code is cleaner.
 
 - Workqueue watchdog touch operation was causing too much cacheline
   contention on very large machines. Nicholas improved scalabililty by
   avoiding unnecessary global updates.
 
 - Code cleanups and minor rescuer behavior improvement.
 
 - The last commit 58629d4871 ("workqueue: Always queue work items to the
   newest PWQ for order workqueues") is a cherry-picked straggler commit from
   for-6.10-fixes, a fix for a bug which may not actually trigger.
   Unfortunately, maybe because for-6.10-fixes was branched off at a
   different point from for-6.11, I couldn't persuade git request-pull to
   generate clean diffstat if pulled into for-6.11.
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Merge tag 'wq-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue updates from Tejun Heo:

 - Lai fixed a bug where CPU hotplug and workqueue attribute changes
   race leaving some workqueues not fully updated. This involved
   refactoring and changing how online CPUs are tracked. The resulting
   code is cleaner.

 - Workqueue watchdog touch operation was causing too much cacheline
   contention on very large machines. Nicholas improved scalabililty by
   avoiding unnecessary global updates.

 - Code cleanups and minor rescuer behavior improvement.

 - The last commit 58629d4871 ("workqueue: Always queue work items to
   the newest PWQ for order workqueues") is a cherry-picked straggler
   commit from for-6.10-fixes, a fix for a bug which may not actually
   trigger.

* tag 'wq-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (24 commits)
  workqueue: Always queue work items to the newest PWQ for order workqueues
  workqueue: Rename wq_update_pod() to unbound_wq_update_pwq()
  workqueue: Remove the arguments @hotplug_cpu and @online from wq_update_pod()
  workqueue: Remove the argument @cpu_going_down from wq_calc_pod_cpumask()
  workqueue: Remove the unneeded cpumask empty check in wq_calc_pod_cpumask()
  workqueue: Remove cpus_read_lock() from apply_wqattrs_lock()
  workqueue: Simplify wq_calc_pod_cpumask() with wq_online_cpumask
  workqueue: Add wq_online_cpumask
  workqueue: Init rescuer's affinities as the wq's effective cpumask
  workqueue: Put PWQ allocation and WQ enlistment in the same lock C.S.
  workqueue: Move kthread_flush_worker() out of alloc_and_link_pwqs()
  workqueue: Make rescuer initialization as the last step of the creation of a new wq
  workqueue: Register sysfs after the whole creation of the new wq
  workqueue: Simplify goto statement
  workqueue: Update cpumasks after only applying it successfully
  workqueue: Improve scalability of workqueue watchdog touch
  workqueue: wq_watchdog_touch is always called with valid CPU
  workqueue: Remove useless pool->dying_workers
  workqueue: Detach workers directly in idle_cull_fn()
  workqueue: Don't bind the rescuer in the last working cpu
  ...
 2024-07-15 16:51:22 -07:00
Linus Torvalds
895b9b1207 cgroup: Changes for v6.11 
- Added Michal Koutný as a maintainer.
 
 - Counters in pids.events were behaving inconsistently. pids.events made
   properly hierarchical and pids.events.local added.
 
 - misc.peak and misc.events.local added.
 
 - cpuset remote partition creation and cpuset.cpus.exclusive handling
   improved.
 
 - Code cleanups, non-critical fixes, doc updates.
 
 - for-6.10-fixes is merged in to receive two non-critical fixes that didn't
   trigger pull.
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Merge tag 'cgroup-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup updates from Tejun Heo:

 - Added Michal Koutný as a maintainer

 - Counters in pids.events were behaving inconsistently. pids.events
   made properly hierarchical and pids.events.local added

 - misc.peak and misc.events.local added

 - cpuset remote partition creation and cpuset.cpus.exclusive handling
   improved

 - Code cleanups, non-critical fixes, doc updates

 - for-6.10-fixes is merged in to receive two non-critical fixes that
   didn't trigger pull

* tag 'cgroup-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (23 commits)
  cgroup: Add Michal Koutný as a maintainer
  cgroup/misc: Introduce misc.events.local
  cgroup/rstat: add force idle show helper
  cgroup: Protect css->cgroup write under css_set_lock
  cgroup/misc: Introduce misc.peak
  cgroup_misc: add kernel-doc comments for enum misc_res_type
  cgroup/cpuset: Prevent UAF in proc_cpuset_show()
  selftest/cgroup: Update test_cpuset_prs.sh to match changes
  cgroup/cpuset: Make cpuset.cpus.exclusive independent of cpuset.cpus
  cgroup/cpuset: Delay setting of CS_CPU_EXCLUSIVE until valid partition
  selftest/cgroup: Fix test_cpuset_prs.sh problems reported by test robot
  cgroup/cpuset: Fix remote root partition creation problem
  cgroup: avoid the unnecessary list_add(dying_tasks) in cgroup_exit()
  cgroup/cpuset: Optimize isolated partition only generate_sched_domains() calls
  cgroup/cpuset: Reduce the lock protecting CS_SCHED_LOAD_BALANCE
  kernel/cgroup: cleanup cgroup_base_files when fail to add cgroup_psi_files
  selftests: cgroup: Add basic tests for pids controller
  selftests: cgroup: Lexicographic order in Makefile
  cgroup/pids: Add pids.events.local
  cgroup/pids: Make event counters hierarchical
  ...
 2024-07-15 16:41:32 -07:00
Linus Torvalds
f97b956b63 nolibc updates for v6.11 
o	Fix selftest printf format mismatch in expect_str_buf_eq().
 
 o	Stop using brk() and sbrk() when testing against musl, which
 	implements these two functions with ENOMEM.
 
 o	Make tests use -Werror to force failure on compiler warnings.
 
 o	Add limits for the {u,}intmax_t, ulong and {u,}llong types.
 
 o	Implement strtol() and friends.
 
 o	Add facility to skip nolibc-specific tests when running against
 	non-nolibc libraries.
 
 o	Implement strerror().
 
 o	Also use strerror() on nolibc when running kselftests.
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Merge tag 'nolibc.2024.07.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull nolibc updates from Paul McKenney:

 - Fix selftest printf format mismatch in expect_str_buf_eq()

 - Stop using brk() and sbrk() when testing against musl, which
   implements these two functions with ENOMEM

 - Make tests use -Werror to force failure on compiler warnings

 - Add limits for the {u,}intmax_t, ulong and {u,}llong types

 - Implement strtol() and friends

 - Add facility to skip nolibc-specific tests when running against
   non-nolibc libraries

 - Implement strerror()

 - Also use strerror() on nolibc when running kselftests

* tag 'nolibc.2024.07.15a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  selftests: kselftest: also use strerror() on nolibc
  tools/nolibc: implement strerror()
  selftests/nolibc: introduce condition to run tests only on nolibc
  tools/nolibc: implement strtol() and friends
  tools/nolibc: add limits for {u,}intmax_t, ulong and {u,}llong
  selftests/nolibc: run-tests.sh: use -Werror by default
  selftests/nolibc: disable brk()/sbrk() tests on musl
  selftests/nolibc: fix printf format mismatch in expect_str_buf_eq()
 2024-07-15 16:38:28 -07:00
Linus Torvalds
e4b2b0b1e4 kcsan: Add __data_racy documentation and module description 
This series contains on commit that improves the documentation for the
 new __data_racy type qualifier to the data_race() macro's kernel-doc
 header and to the LKMM's access-marking documentation.
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Merge tag 'kcsan.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull KCSAN updates from Paul McKenney:

 - improve the documentation for the new __data_racy type qualifier
   to the data_race() macro's kernel-doc header and to the LKMM's
   access-marking documentation

 - add missing MODULE_DESCRIPTION

* tag 'kcsan.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  kcsan: Add missing MODULE_DESCRIPTION() macro
  kcsan: Add example to data_race() kerneldoc header
 2024-07-15 15:44:40 -07:00
Linus Torvalds
b176e21d81 Torture-test updates for v6.11 
This pull request adds MODULE_DESCRIPTION() to torture.c, locktorture.c,
 and scftorture.c, and also adds static to a global variable that is used
 only in scftorture.c.
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Merge tag 'torture.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull torture-test updates from Paul McKenney:
 "This adds MODULE_DESCRIPTION() to torture.c, locktorture.c, and
  scftorture.c, and also adds 'static' to a global variable that is used
  only in scftorture.c"

* tag 'torture.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  scftorture: Make torture_type static
  scftorture: Add MODULE_DESCRIPTION()
  locktorture: Add MODULE_DESCRIPTION()
  torture: Add MODULE_DESCRIPTION()
 2024-07-15 15:39:25 -07:00
Linus Torvalds
9855e87328 RCU pull request for v6.11 
doc.2024.06.06a: Update Tasks RCU and Tasks Rude RCU description in
 	Requirements.rst and clarify rcu_assign_pointer() and
 	rcu_dereference() ordering properties.
 
 fixes.2024.07.04a: Add lockdep assertions for RCU readers, limit inline
 	wakeups for callback-bypass synchronize_rcu(), add an
 	rcutree.nohz_full_patience_delay to reduce nohz_full OS jitter,
 	add Uladzislau Rezki as RCU maintainer, and fix a subtle
 	callback-migration memory-ordering issue.
 
 mb.2024.06.28a: Remove a number of redundant memory barriers.
 
 nocb.2024.06.03a: Remove unnecessary bypass-list lock-contention
 	mitigation, use parking API instead of open-coded ad-hoc
 	equivalent, and upgrade obsolete comments.
 
 rcu-tasks.2024.06.06a: Revert avoidance of a deadlock that can no
 	longer occur and properly synchronize Tasks Trace RCU checking
 	of runqueues.
 
 rcutorture.2024.06.06a: Add tests for handling of double-call_rcu()
 	bug, add missing MODULE_DESCRIPTION, and add a script that
 	histograms the number of calls to RCU updaters.
 
 srcu.2024.06.18a: Fill out SRCU polled-grace-period API.
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Merge tag 'rcu.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull RCU updates from Paul McKenney:

 - Update Tasks RCU and Tasks Rude RCU description in Requirements.rst
   and clarify rcu_assign_pointer() and rcu_dereference() ordering
   properties

 - Add lockdep assertions for RCU readers, limit inline wakeups for
   callback-bypass synchronize_rcu(), add an
   rcutree.nohz_full_patience_delay to reduce nohz_full OS jitter, add
   Uladzislau Rezki as RCU maintainer, and fix a subtle
   callback-migration memory-ordering issue

 - Remove a number of redundant memory barriers

 - Remove unnecessary bypass-list lock-contention mitigation, use
   parking API instead of open-coded ad-hoc equivalent, and upgrade
   obsolete comments

 - Revert avoidance of a deadlock that can no longer occur and properly
   synchronize Tasks Trace RCU checking of runqueues

 - Add tests for handling of double-call_rcu() bug, add missing
   MODULE_DESCRIPTION, and add a script that histograms the number of
   calls to RCU updaters

 - Fill out SRCU polled-grace-period API

* tag 'rcu.2024.07.12a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (29 commits)
  rcu: Fix rcu_barrier() VS post CPUHP_TEARDOWN_CPU invocation
  rcu: Eliminate lockless accesses to rcu_sync->gp_count
  MAINTAINERS: Add Uladzislau Rezki as RCU maintainer
  rcu: Add rcutree.nohz_full_patience_delay to reduce nohz_full OS jitter
  rcu/exp: Remove redundant full memory barrier at the end of GP
  rcu: Remove full memory barrier on RCU stall printout
  rcu: Remove full memory barrier on boot time eqs sanity check
  rcu/exp: Remove superfluous full memory barrier upon first EQS snapshot
  rcu: Remove superfluous full memory barrier upon first EQS snapshot
  rcu: Remove full ordering on second EQS snapshot
  srcu: Fill out polled grace-period APIs
  srcu: Update cleanup_srcu_struct() comment
  srcu: Add NUM_ACTIVE_SRCU_POLL_OLDSTATE
  srcu: Disable interrupts directly in srcu_gp_end()
  rcu: Disable interrupts directly in rcu_gp_init()
  rcu/tree: Reduce wake up for synchronize_rcu() common case
  rcu/tasks: Fix stale task snaphot for Tasks Trace
  tools/rcu: Add rcu-updaters.sh script
  rcutorture: Add missing MODULE_DESCRIPTION() macros
  rcutorture: Fix rcu_torture_fwd_cb_cr() data race
  ...
 2024-07-15 15:25:27 -07:00