Commit Graph

1309168 Commits

Author SHA1 Message Date
Al Viro
6b1a5ae9b5 convert vfs_dedupe_file_range().
fdput() is followed by checking fatal_signal_pending() (and aborting
the loop in such case).  fdput() is transposable with that check.
Yes, it'll probably end up with slightly fatter code (call after the
check has returned false + call on the almost never taken out-of-line path
instead of one call before the check), but it's not worth bothering with
explicit extra scope there (or dragging the check into the loop condition,
for that matter).

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:07 -05:00
Al Viro
9bd812744d convert cifs_ioctl_copychunk()
fdput() moved past mnt_drop_file_write(); harmless, if somewhat cringeworthy.
Reordering could be avoided either by adding an explicit scope or by making
mnt_drop_file_write() called via __cleanup.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:07 -05:00
Al Viro
44b11a56c3 convert media_request_get_by_fd()
the only thing done after fdput() (in failure cases) is a printk; safely
transposable with fdput()...

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:07 -05:00
Al Viro
00ec41ac16 convert spu_run(2)
all failure exits prior to fdget() are returns, fdput() is immediately
followed by return.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:07 -05:00
Al Viro
d8426e6972 switch spufs_calls_{get,put}() to CLASS() use
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:07 -05:00
Al Viro
65c8941e7d convert cachestat(2)
fdput() can be transposed with copy_to_user()

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:07 -05:00
Al Viro
20d9eb3b87 convert do_preadv()/do_pwritev()
fdput() can be transposed with add_{r,w}char() and inc_sysc{r,w}();
it's the same story as with do_readv()/do_writev(), only with
fdput() instead of fdput_pos().

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
8152f82010 fdget(), more trivial conversions
all failure exits prior to fdget() leave the scope, all matching fdput()
are immediately followed by leaving the scope.

[xfs_ioc_commit_range() chunk moved here as well]

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
6348be02ee fdget(), trivial conversions
fdget() is the first thing done in scope, all matching fdput() are
immediately followed by leaving the scope.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
46b5e18ae8 privcmd_ioeventfd_assign(): don't open-code eventfd_ctx_fdget()
just call it, same as privcmd_ioeventfd_deassign() does...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
554ceb7a5e o2hb_region_dev_store(): avoid goto around fdget()/fdput()
Preparation for CLASS(fd) conversion.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
d7a9616ce0 introduce "fd_pos" class, convert fdget_pos() users to it.
fdget_pos() for constructor, fdput_pos() for cleanup, all users of
fd..._pos() converted trivially.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
048181992c fdget_raw() users: switch to CLASS(fd_raw)
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
a6f46579d7 convert vmsplice() to CLASS(fd)
Irregularity here is fdput() not in the same scope as fdget(); we could
just lift it out vmsplice_type() in vmsplice(2), but there's no much
point keeping vmsplice_type() separate after that...

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
0d113fcbc2 simplify xfs_find_handle() a bit
XFS_IOC_FD_TO_HANDLE can grab a reference to copied ->f_path and
let the file go; results in simpler control flow - cleanup is
the same for both "by descriptor" and "by pathname" cases.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
54dac3dacc do_mq_notify(): switch to CLASS(fd)
The only failure exit before fdget() is a return, the only thing done
after fdput() is transposable with it.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
1aaf6a7e75 do_mq_notify(): saner skb freeing on failures
cleanup is convoluted enough as it is; it's easier to have early
failure outs do explicit kfree_skb(nc), rather than going to
contortions needed to reuse the cleanup from late failures.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
f302edb9d8 switch netlink_getsockbyfilp() to taking descriptor
the only call site (in do_mq_notify()) obtains the argument
from an immediately preceding fdget() and it is immediately
followed by fdput(); might as well just replace it with
a variant that would take a descriptor instead of struct file *
and have file lookups handled inside that function.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
4dd53b84ff get rid of perf_fget_light(), convert kernel/events/core.c to CLASS(fd)
Lift fdget() and fdput() out of perf_fget_light(), turning it into
is_perf_file(struct fd f).  The life gets easier in both callers
if we do fdget() unconditionally, including the case when we are
given -1 instead of a descriptor - that avoids a reassignment in
perf_event_open(2) and it avoids a nasty temptation in _perf_ioctl()
where we must *not* lift output_event out of scope for output.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
919a7a1aac timerfd: switch to CLASS(fd)
Fold timerfd_fget() into both callers to have fdget() and fdput() in
the same scope.  Could be done in different ways, but this is probably
the smallest solution.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
05e555642c regularize emptiness checks in fini_module(2) and vfs_dedupe_file_range()
With few exceptions emptiness checks are done as fd_file(...) in boolean
context (usually something like if (!fd_file(f))...); those will be
taken care of later.

However, there's a couple of places where we do those checks as
'store fd_file(...) into a variable, then check if this variable is
NULL' and those are harder to spot.

Get rid of those now.

use fd_empty() instead of extracting file and then checking it for NULL.

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:28:06 -05:00
Al Viro
53c0a58beb net/socket.c: switch to CLASS(fd)
The important part in sockfd_lookup_light() is avoiding needless
file refcount operations, not the marginal reduction of the register
pressure from not keeping a struct file pointer in the caller.

	Switch to use fdget()/fdpu(); with sane use of CLASS(fd) we can
get a better code generation...

	Would be nice if somebody tested it on networking test suites
(including benchmarks)...

	sockfd_lookup_light() does fdget(), uses sock_from_file() to
get the associated socket and returns the struct socket reference to
the caller, along with "do we need to fput()" flag.  No matching fdput(),
the caller does its equivalent manually, using the fact that sock->file
points to the struct file the socket has come from.

	Get rid of that - have the callers do fdget()/fdput() and
use sock_from_file() directly.  That kills sockfd_lookup_light()
and fput_light() (no users left).

	What's more, we can get rid of explicit fdget()/fdput() by
switching to CLASS(fd, ...) - code generation does not suffer, since
now fdput() inserted on "descriptor is not opened" failure exit
is recognized to be a no-op by compiler.

[folded a fix for braino in do_recvmmsg() caught by Simon Horman]

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2024-11-03 01:27:11 -05:00
Linus Torvalds
8cf0b93919 Linux 6.12-rc2 2024-10-06 15:32:27 -07:00
Linus Torvalds
2a130b7e1f Kbuild fixes for v6.12
- Move non-boot built-in DTBs to the .rodata section
 
  - Fix Kconfig bugs
 
  - Fix maint scripts in the linux-image Debian package
 
  - Import some list macros to scripts/include/
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Merge tag 'kbuild-fixes-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - Move non-boot built-in DTBs to the .rodata section

 - Fix Kconfig bugs

 - Fix maint scripts in the linux-image Debian package

 - Import some list macros to scripts/include/

* tag 'kbuild-fixes-v6.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: deb-pkg: Remove blank first line from maint scripts
  kbuild: fix a typo dt_binding_schema -> dt_binding_schemas
  scripts: import more list macros
  kconfig: qconf: fix buffer overflow in debug links
  kconfig: qconf: move conf_read() before drawing tree pain
  kconfig: clear expr::val_is_valid when allocated
  kconfig: fix infinite loop in sym_calc_choice()
  kbuild: move non-boot built-in DTBs to .rodata section
2024-10-06 11:34:55 -07:00
Linus Torvalds
c8d9f2c7aa platform-drivers-x86 for v6.12-2
Highlights:
  -  Intel PMC fix for suspend/resume issues on some Sky and Kaby Lake laptops
  -  Intel Diamond Rapids hw-id additions
  -  Documentation and MAINTAINERS fixes
  -  Some other small fixes
 
 The following is an automated git shortlog grouped by driver:
 
 ISST:
  -  Add Diamond Rapids to support list
  -  Fix the KASAN report slab-out-of-bounds bug
 
 MAINTAINERS:
  -  Update Intel In Field Scan(IFS) entry
 
 dell-ddv:
  -  Fix typo in documentation
 
 dell-laptop:
  -  Do not fail when encountering unsupported batteries
 
 dell-sysman:
  -  add support for alienware products
 
 intel/pmc:
  -  Disable ACPI PM Timer disabling on Sky and Kaby Lake
 
 platform/x86/intel:
  -  power-domains: Add Diamond Rapids support
 
 wmi:
  -  Update WMI driver API documentation
 
 x86-android-tablets:
  -  Fix use after free on platform_device_register() errors
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Merge tag 'platform-drivers-x86-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fixes from Hans de Goede:

 - Intel PMC fix for suspend/resume issues on some Sky and Kaby Lake
   laptops

 - Intel Diamond Rapids hw-id additions

 - Documentation and MAINTAINERS fixes

 - Some other small fixes

* tag 'platform-drivers-x86-v6.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: x86-android-tablets: Fix use after free on platform_device_register() errors
  platform/x86: wmi: Update WMI driver API documentation
  platform/x86: dell-ddv: Fix typo in documentation
  platform/x86: dell-sysman: add support for alienware products
  platform/x86/intel: power-domains: Add Diamond Rapids support
  platform/x86: ISST: Add Diamond Rapids to support list
  platform/x86:intel/pmc: Disable ACPI PM Timer disabling on Sky and Kaby Lake
  platform/x86: dell-laptop: Do not fail when encountering unsupported batteries
  MAINTAINERS: Update Intel In Field Scan(IFS) entry
  platform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug
2024-10-06 11:11:01 -07:00
Linus Torvalds
4563243ede ARM64:
* Fix pKVM error path on init, making sure we do not change critical
   system registers as we're about to fail
 
 * Make sure that the host's vector length is at capped by a value
   common to all CPUs
 
 * Fix kvm_has_feat*() handling of "negative" features, as the current
   code is pretty broken
 
 * Promote Joey to the status of official reviewer, while James steps
   down -- hopefully only temporarly
 
 x86:
 
 * Fix compilation with KVM_INTEL=KVM_AMD=n
 
 * Fix disabling KVM_X86_QUIRK_SLOT_ZAP_ALL when shadow MMU is in use
 
 Selftests:
 
 * Fix compilation on non-x86 architectures
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM64:

   - Fix pKVM error path on init, making sure we do not change critical
     system registers as we're about to fail

   - Make sure that the host's vector length is at capped by a value
     common to all CPUs

   - Fix kvm_has_feat*() handling of "negative" features, as the current
     code is pretty broken

   - Promote Joey to the status of official reviewer, while James steps
     down -- hopefully only temporarly

  x86:

   - Fix compilation with KVM_INTEL=KVM_AMD=n

   - Fix disabling KVM_X86_QUIRK_SLOT_ZAP_ALL when shadow MMU is in use

  Selftests:

   - Fix compilation on non-x86 architectures"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  x86/reboot: emergency callbacks are now registered by common KVM code
  KVM: x86: leave kvm.ko out of the build if no vendor module is requested
  KVM: x86/mmu: fix KVM_X86_QUIRK_SLOT_ZAP_ALL for shadow MMU
  KVM: arm64: Fix kvm_has_feat*() handling of negative features
  KVM: selftests: Fix build on architectures other than x86_64
  KVM: arm64: Another reviewer reshuffle
  KVM: arm64: Constrain the host to the maximum shared SVE VL with pKVM
  KVM: arm64: Fix __pkvm_init_vcpu cptr_el2 error path
2024-10-06 10:53:28 -07:00
Linus Torvalds
b3ce5c30a0 powerpc fixes for 6.12 #3
- Allow r30 to be used in vDSO code generation of getrandom.
 
 Thanks to: Jason A. Donenfeld.
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Merge tag 'powerpc-6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fix from Michael Ellerman:

 - Allow r30 to be used in vDSO code generation of getrandom

Thanks to Jason A. Donenfeld

* tag 'powerpc-6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/vdso: allow r30 in vDSO code generation of getrandom
2024-10-06 10:43:00 -07:00
Aaron Thompson
82cb443089 kbuild: deb-pkg: Remove blank first line from maint scripts
The blank line causes execve() to fail:

  # strace ./postinst
  execve("./postinst", ...) = -1 ENOEXEC (Exec format error)
  strace: exec: Exec format error
  +++ exited with 1 +++

However running the scripts via shell does work (at least with bash)
because the shell attempts to execute the file as a shell script when
execve() fails.

Fixes: b611daae5e ("kbuild: deb-pkg: split image and debug objects staging out into functions")
Signed-off-by: Aaron Thompson <dev@aaront.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-10-07 02:36:38 +09:00
Xu Yang
d939881a15 kbuild: fix a typo dt_binding_schema -> dt_binding_schemas
If we follow "make help" to "make dt_binding_schema", we will see
below error:

$ make dt_binding_schema
make[1]: *** No rule to make target 'dt_binding_schema'.  Stop.
make: *** [Makefile:224: __sub-make] Error 2

It should be a typo. So this will fix it.

Fixes: 604a57ba97 ("dt-bindings: kbuild: Add separate target/dependency for processed-schema.json")
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-10-07 02:36:38 +09:00
Sami Tolvanen
c14a304682 scripts: import more list macros
Import list_is_first, list_is_last, list_replace, and list_replace_init.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2024-10-07 02:12:27 +09:00
Hans de Goede
2fae3129c0 platform/x86: x86-android-tablets: Fix use after free on platform_device_register() errors
x86_android_tablet_remove() frees the pdevs[] array, so it should not
be used after calling x86_android_tablet_remove().

When platform_device_register() fails, store the pdevs[x] PTR_ERR() value
into the local ret variable before calling x86_android_tablet_remove()
to avoid using pdevs[] after it has been freed.

Fixes: 5eba014120 ("platform/x86: x86-android-tablets: Add support for instantiating platform-devs")
Fixes: e2200d3f26 ("platform/x86: x86-android-tablets: Add gpio_keys support to x86_android_tablet_init()")
Cc: stable@vger.kernel.org
Reported-by: Aleksandr Burakov <a.burakov@rosalinux.ru>
Closes: https://lore.kernel.org/platform-driver-x86/20240917120458.7300-1-a.burakov@rosalinux.ru/
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20241005130545.64136-1-hdegoede@redhat.com
2024-10-06 12:50:50 +02:00
Armin Wolf
5984b40f5b platform/x86: wmi: Update WMI driver API documentation
The WMI driver core now passes the WMI event data to legacy notify
handlers, so WMI devices sharing notification IDs are now being
handled properly.

Fixes: e04e2b760d ("platform/x86: wmi: Pass event data directly to legacy notify handlers")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20241005213825.701887-1-W_Armin@gmx.de
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-10-06 12:48:52 +02:00
Anaswara T Rajan
7b954b9ba0 platform/x86: dell-ddv: Fix typo in documentation
Fix typo in word 'diagnostics' in documentation.

Signed-off-by: Anaswara T Rajan <anaswaratrajan@gmail.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20241005070056.16326-1-anaswaratrajan@gmail.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-10-06 12:47:40 +02:00
Crag Wang
a561509b41 platform/x86: dell-sysman: add support for alienware products
Alienware supports firmware-attributes and has its own OEM string.

Signed-off-by: Crag Wang <crag_wang@dell.com>
Link: https://lore.kernel.org/r/20241004152826.93992-1-crag_wang@dell.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-10-06 12:44:16 +02:00
Srinivas Pandruvada
e16f7eee7c platform/x86/intel: power-domains: Add Diamond Rapids support
Add Diamond Rapids (INTEL_PANTHERCOVE_X) to tpmi_cpu_ids to support
domaid id mappings.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20241003215554.3013807-3-srinivas.pandruvada@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-10-06 12:41:27 +02:00
Srinivas Pandruvada
2f95a035b8 platform/x86: ISST: Add Diamond Rapids to support list
Add Diamond Rapids (INTEL_PANTHERCOVE_X) to SST support list by adding
to isst_cpu_ids.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20241003215554.3013807-2-srinivas.pandruvada@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-10-06 12:41:27 +02:00
Hans de Goede
0bdb4e57a1 platform/x86:intel/pmc: Disable ACPI PM Timer disabling on Sky and Kaby Lake
There have been multiple reports that the ACPI PM Timer disabling is
causing Sky and Kaby Lake systems to hang on all suspend (s2idle, s3,
hibernate) methods.

Remove the acpi_pm_tmr_ctl_offset and acpi_pm_tmr_disable_bit settings from
spt_reg_map to disable the ACPI PM Timer disabling on Sky and Kaby Lake to
fix the hang on suspend.

Fixes: e86c8186d0 ("platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended")
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Closes: https://lore.kernel.org/linux-pm/18784f62-91ff-4d88-9621-6c88eb0af2b5@molgen.mpg.de/
Reported-by: Todd Brandt <todd.e.brandt@intel.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219346
Cc: Marek Maslanka <mmaslanka@google.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Todd Brandt <todd.e.brandt@intel.com>
Tested-by: Paul Menzel <pmenzel@molgen.mpg.de> # Dell XPS 13 9360/0596KF
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20241003202614.17181-2-hdegoede@redhat.com
2024-10-06 12:34:22 +02:00
Armin Wolf
b6c57b70a3 platform/x86: dell-laptop: Do not fail when encountering unsupported batteries
If the battery hook encounters a unsupported battery, it will
return an error. This in turn will cause the battery driver to
automatically unregister the battery hook.

On machines with multiple batteries however, this will prevent
the battery hook from handling the primary battery, since it will
always get unregistered upon encountering one of the unsupported
batteries.

Fix this by simply ignoring unsupported batteries.

Reviewed-by: Pali Rohár <pali@kernel.org>
Fixes: ab58016c68 ("platform/x86:dell-laptop: Add knobs to change battery charge settings")
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20241001212835.341788-4-W_Armin@gmx.de
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-10-06 12:31:19 +02:00
Jithu Joseph
ed0e64d85f MAINTAINERS: Update Intel In Field Scan(IFS) entry
Ashok is no longer with Intel and his e-mail address will start bouncing
soon.  Update his email address to the new one he provided to ensure
correct contact details in the MAINTAINERS file.

Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Link: https://lore.kernel.org/r/20241001170808.203970-1-jithu.joseph@intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-10-06 12:29:58 +02:00
Paolo Bonzini
c8d430db8e KVM/arm64 fixes for 6.12, take #1
- Fix pKVM error path on init, making sure we do not change critical
   system registers as we're about to fail
 
 - Make sure that the host's vector length is at capped by a value
   common to all CPUs
 
 - Fix kvm_has_feat*() handling of "negative" features, as the current
   code is pretty broken
 
 - Promote Joey to the status of official reviewer, while James steps
   down -- hopefully only temporarly
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Merge tag 'kvmarm-fixes-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 fixes for 6.12, take #1

- Fix pKVM error path on init, making sure we do not change critical
  system registers as we're about to fail

- Make sure that the host's vector length is at capped by a value
  common to all CPUs

- Fix kvm_has_feat*() handling of "negative" features, as the current
  code is pretty broken

- Promote Joey to the status of official reviewer, while James steps
  down -- hopefully only temporarly
2024-10-06 03:59:22 -04:00
Paolo Bonzini
2a5fe5a016 x86/reboot: emergency callbacks are now registered by common KVM code
Guard them with CONFIG_KVM_X86_COMMON rather than the two vendor modules.
In practice this has no functional change, because CONFIG_KVM_X86_COMMON
is set if and only if at least one vendor-specific module is being built.
However, it is cleaner to specify CONFIG_KVM_X86_COMMON for functions that
are used in kvm.ko.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes: 590b09b1d8 ("KVM: x86: Register "emergency disable" callbacks when virt is enabled")
Fixes: 6d55a94222 ("x86/reboot: Unconditionally define cpu_emergency_virt_cb typedef")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-06 03:55:37 -04:00
Paolo Bonzini
ea4290d77b KVM: x86: leave kvm.ko out of the build if no vendor module is requested
kvm.ko is nothing but library code shared by kvm-intel.ko and kvm-amd.ko.
It provides no functionality on its own and it is unnecessary unless one
of the vendor-specific module is compiled.  In particular, /dev/kvm is
not created until one of kvm-intel.ko or kvm-amd.ko is loaded.

Use CONFIG_KVM to decide if it is built-in or a module, but use the
vendor-specific modules for the actual decision on whether to build it.

This also fixes a build failure when CONFIG_KVM_INTEL and CONFIG_KVM_AMD
are both disabled.  The cpu_emergency_register_virt_callback() function
is called from kvm.ko, but it is only defined if at least one of
CONFIG_KVM_INTEL and CONFIG_KVM_AMD is provided.

Fixes: 590b09b1d8 ("KVM: x86: Register "emergency disable" callbacks when virt is enabled")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-06 03:53:41 -04:00
Linus Torvalds
8f602276d3 bcachefs fixes for 6.12-rc2
A lot of little fixes, bigger ones include:
 
 - bcachefs's __wait_on_freeing_inode() was broken in rc1 due to vfs
   changes, now fixed along with another lost wakeup
 - fragmentation LRU fixes; fsck now repairs successfully (this is the
   data structure copygc uses); along with some nice simplification.
 - Rework logged op error handling, so that if logged op replay errors
   (due to another filesystem error) we delete the logged op instead of
   going into an infinite loop)
 - Various small filesystem connectivitity repair fixes
 
 The final part of this patch series, fixing snapshots + unlinked file
 handling, is now out on the list - I'm giving that part of the series
 more time for user testing.
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Merge tag 'bcachefs-2024-10-05' of git://evilpiepirate.org/bcachefs

Pull bcachefs fixes from Kent Overstreet:
 "A lot of little fixes, bigger ones include:

   - bcachefs's __wait_on_freeing_inode() was broken in rc1 due to vfs
     changes, now fixed along with another lost wakeup

   - fragmentation LRU fixes; fsck now repairs successfully (this is the
     data structure copygc uses); along with some nice simplification.

   - Rework logged op error handling, so that if logged op replay errors
     (due to another filesystem error) we delete the logged op instead
     of going into an infinite loop)

   - Various small filesystem connectivitity repair fixes"

* tag 'bcachefs-2024-10-05' of git://evilpiepirate.org/bcachefs:
  bcachefs: Rework logged op error handling
  bcachefs: Add warn param to subvol_get_snapshot, peek_inode
  bcachefs: Kill snapshot arg to fsck_write_inode()
  bcachefs: Check for unlinked, non-empty dirs in check_inode()
  bcachefs: Check for unlinked inodes with dirents
  bcachefs: Check for directories with no backpointers
  bcachefs: Kill alloc_v4.fragmentation_lru
  bcachefs: minor lru fsck fixes
  bcachefs: Mark more errors AUTOFIX
  bcachefs: Make sure we print error that causes fsck to bail out
  bcachefs: bkey errors are only AUTOFIX during read
  bcachefs: Create lost+found in correct snapshot
  bcachefs: Fix reattach_inode()
  bcachefs: Add missing wakeup to bch2_inode_hash_remove()
  bcachefs: Fix trans_commit disk accounting revert
  bcachefs: Fix bch2_inode_is_open() check
  bcachefs: Fix return type of dirent_points_to_inode_nowarn()
  bcachefs: Fix bad shift in bch2_read_flag_list()
2024-10-05 15:18:04 -07:00
Linus Torvalds
fc20a3e572 xen: branch for v6.12-rc2
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Merge tag 'for-linus-6.12a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "Fix Xen config issue introduced in the merge window"

* tag 'for-linus-6.12a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen: Fix config option reference in XEN_PRIVCMD definition
2024-10-05 10:59:44 -07:00
Linus Torvalds
fdd0a94dcf Fix some ext4 bug fixes and regressions relating to oneline resize and
fast commits.
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Merge tag 'ext4_for_linus-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "Fix some ext4 bugs and regressions relating to oneline resize and fast
  commits"

* tag 'ext4_for_linus-5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix off by one issue in alloc_flex_gd()
  ext4: mark fc as ineligible using an handle in ext4_xattr_set()
  ext4: use handle to mark fc as ineligible in __track_dentry_update()
2024-10-05 10:47:00 -07:00
Linus Torvalds
7c50f22183 cxl fixes for 6.12-rc2
- Fix calculation for SBDF in error injection
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Merge tag 'cxl-fixes-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull cxl fix from Ira Weiny:

 - Fix calculation for SBDF in error injection

* tag 'cxl-fixes-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  EINJ, CXL: Fix CXL device SBDF calculation
2024-10-05 10:40:16 -07:00
Linus Torvalds
3a28c9e128 i2c-for-6.12-rc2
i2c-host fixes (from Andi)
 
 In the stm32f7 a potential deadlock is fixed during runtime
 suspend and resume.
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Merge tag 'i2c-for-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c fix from Wolfram Sang:

 - Fix potential deadlock during runtime suspend and resume (stm32f7)

* tag 'i2c-for-6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: stm32f7: Do not prepare/unprepare clock during runtime suspend/resume
2024-10-05 10:31:04 -07:00
Linus Torvalds
60b9f47eb3 spi: Fixes for v6.12
A small set of driver specific fixes that came in since the merge
 window, about half of which is fixes for correctness in the use of the
 runtime PM APIs done as part of a broader cleanup.
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Merge tag 'spi-fix-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "A small set of driver specific fixes that came in since the merge
  window, about half of which is fixes for correctness in the use of the
  runtime PM APIs done as part of a broader cleanup"

* tag 'spi-fix-v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: s3c64xx: fix timeout counters in flush_fifo
  spi: atmel-quadspi: Fix wrong register value written to MR
  spi: spi-cadence: Fix missing spi_controller_is_target() check
  spi: spi-cadence: Fix pm_runtime_set_suspended() with runtime pm enabled
  spi: spi-imx: Fix pm_runtime_set_suspended() with runtime pm enabled
2024-10-05 10:25:04 -07:00
Linus Torvalds
9ec2236a02 hardening fixes for v6.12-rc2
- gcc plugins: Avoid Kconfig warnings with randstruct (Nathan Chancellor)
 
 - MAINTAINERS: Add security/Kconfig.hardening to hardening section
   (Nathan Chancellor)
 
 - MAINTAINERS: Add unsafe_memcpy() to the FORTIFY review list
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Merge tag 'hardening-v6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull hardening fixes from Kees Cook:

 - gcc plugins: Avoid Kconfig warnings with randstruct (Nathan
   Chancellor)

 - MAINTAINERS: Add security/Kconfig.hardening to hardening section
   (Nathan Chancellor)

 - MAINTAINERS: Add unsafe_memcpy() to the FORTIFY review list

* tag 'hardening-v6.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  MAINTAINERS: Add security/Kconfig.hardening to hardening section
  hardening: Adjust dependencies in selection of MODVERSIONS
  MAINTAINERS: Add unsafe_memcpy() to the FORTIFY review list
2024-10-05 10:19:14 -07:00
Linus Torvalds
fb9b76749a lsm/stable-6.12 PR 20241004
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Merge tag 'lsm-pr-20241004' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

Pull lsm revert from Paul Moore:
 "Here is the CONFIG_SECURITY_TOMOYO_LKM revert that we've been
  discussing this week. With near unanimous agreement that the original
  TOMOYO patches were not the right way to solve the distro problem
  Tetsuo is trying the solve, reverting is our best option at this time"

* tag 'lsm-pr-20241004' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
  tomoyo: revert CONFIG_SECURITY_TOMOYO_LKM support
2024-10-05 10:10:45 -07:00