mirror of
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c159dfbdd4
1333367 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
c159dfbdd4 |
Mainly individually changelogged singleton patches. The patch series in
this pull are:
- "lib min_heap: Improve min_heap safety, testing, and documentation"
from Kuan-Wei Chiu provides various tightenings to the min_heap library
code.
- "xarray: extract __xa_cmpxchg_raw" from Tamir Duberstein preforms some
cleanup and Rust preparation in the xarray library code.
- "Update reference to include/asm-<arch>" from Geert Uytterhoeven fixes
pathnames in some code comments.
- "Converge on using secs_to_jiffies()" from Easwar Hariharan uses the
new secs_to_jiffies() in various places where that is appropriate.
- "ocfs2, dlmfs: convert to the new mount API" from Eric Sandeen
switches two filesystems to the new mount API.
- "Convert ocfs2 to use folios" from Matthew Wilcox does that.
- "Remove get_task_comm() and print task comm directly" from Yafang Shao
removes now-unneeded calls to get_task_comm() in various places.
- "squashfs: reduce memory usage and update docs" from Phillip Lougher
implements some memory savings in squashfs and performs some
maintainability work.
- "lib: clarify comparison function requirements" from Kuan-Wei Chiu
tightens the sort code's behaviour and adds some maintenance work.
- "nilfs2: protect busy buffer heads from being force-cleared" from
Ryusuke Konishi fixes an issues in nlifs when the fs is presented with a
corrupted image.
- "nilfs2: fix kernel-doc comments for function return values" from
Ryusuke Konishi fixes some nilfs kerneldoc.
- "nilfs2: fix issues with rename operations" from Ryusuke Konishi
addresses some nilfs BUG_ONs which syzbot was able to trigger.
- "minmax.h: Cleanups and minor optimisations" from David Laight
does some maintenance work on the min/max library code.
- "Fixes and cleanups to xarray" from Kemeng Shi does maintenance work
on the xarray library code.
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Merge tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
"Mainly individually changelogged singleton patches. The patch series
in this pull are:
- "lib min_heap: Improve min_heap safety, testing, and documentation"
from Kuan-Wei Chiu provides various tightenings to the min_heap
library code
- "xarray: extract __xa_cmpxchg_raw" from Tamir Duberstein preforms
some cleanup and Rust preparation in the xarray library code
- "Update reference to include/asm-<arch>" from Geert Uytterhoeven
fixes pathnames in some code comments
- "Converge on using secs_to_jiffies()" from Easwar Hariharan uses
the new secs_to_jiffies() in various places where that is
appropriate
- "ocfs2, dlmfs: convert to the new mount API" from Eric Sandeen
switches two filesystems to the new mount API
- "Convert ocfs2 to use folios" from Matthew Wilcox does that
- "Remove get_task_comm() and print task comm directly" from Yafang
Shao removes now-unneeded calls to get_task_comm() in various
places
- "squashfs: reduce memory usage and update docs" from Phillip
Lougher implements some memory savings in squashfs and performs
some maintainability work
- "lib: clarify comparison function requirements" from Kuan-Wei Chiu
tightens the sort code's behaviour and adds some maintenance work
- "nilfs2: protect busy buffer heads from being force-cleared" from
Ryusuke Konishi fixes an issues in nlifs when the fs is presented
with a corrupted image
- "nilfs2: fix kernel-doc comments for function return values" from
Ryusuke Konishi fixes some nilfs kerneldoc
- "nilfs2: fix issues with rename operations" from Ryusuke Konishi
addresses some nilfs BUG_ONs which syzbot was able to trigger
- "minmax.h: Cleanups and minor optimisations" from David Laight does
some maintenance work on the min/max library code
- "Fixes and cleanups to xarray" from Kemeng Shi does maintenance
work on the xarray library code"
* tag 'mm-nonmm-stable-2025-01-24-23-16' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (131 commits)
ocfs2: use str_yes_no() and str_no_yes() helper functions
include/linux/lz4.h: add some missing macros
Xarray: use xa_mark_t in xas_squash_marks() to keep code consistent
Xarray: remove repeat check in xas_squash_marks()
Xarray: distinguish large entries correctly in xas_split_alloc()
Xarray: move forward index correctly in xas_pause()
Xarray: do not return sibling entries from xas_find_marked()
ipc/util.c: complete the kernel-doc function descriptions
gcov: clang: use correct function param names
latencytop: use correct kernel-doc format for func params
minmax.h: remove some #defines that are only expanded once
minmax.h: simplify the variants of clamp()
minmax.h: move all the clamp() definitions after the min/max() ones
minmax.h: use BUILD_BUG_ON_MSG() for the lo < hi test in clamp()
minmax.h: reduce the #define expansion of min(), max() and clamp()
minmax.h: update some comments
minmax.h: add whitespace around operators and after commas
nilfs2: do not update mtime of renamed directory that is not moved
nilfs2: handle errors that nilfs_prepare_chunk() may return
CREDITS: fix spelling mistake
...
|
||
|
Linus Torvalds
|
baf29cc16e |
ata changes for 6.14
- Constify struct pci_device_id (Christophe).
- Remove unused code in the sata_gemini driver (David).
- Improve libahci_platform to allow supporting non consecutive port
numbers as specified in device trees (Josua).
- Cleanup ahci driver code handling of port numbers with the new helper
ahci_ignore_port() (me).
- Use pm_sleep_ptr() to remove CONFIG_PM_SLEEP ifdefs in the ahci_st
driver (Raphael). More of these changes will be included in the next
cycle.
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Merge tag 'ata-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata updates from Damien Le Moal:
- Constify struct pci_device_id (Christophe)
- Remove unused code in the sata_gemini driver (David)
- Improve libahci_platform to allow supporting non consecutive port
numbers as specified in device trees (Josua)
- Cleanup ahci driver code handling of port numbers with the new helper
ahci_ignore_port() (me)
- Use pm_sleep_ptr() to remove CONFIG_PM_SLEEP ifdefs in the ahci_st
driver (Raphael). More of these changes will be included in the next
cycle
* tag 'ata-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ahci: st: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
ahci: Introduce ahci_ignore_port() helper
ata: libahci_platform: support non-consecutive port numbers
ata: sata_gemini: Remove remaining reset glue
ata: sata_gemini: Remove unused gemini_sata_reset_bridge()
ata: Constify struct pci_device_id
|
||
|
Linus Torvalds
|
88e45067a3 |
SCSI misc on 20250126
Updates to the usual drivers (ufs, lpfc, fnic, qla2xx, mpi3mr) The major core change is the renaming of the slave_ methods plus a bit of constification. The rest are minor updates and fixes. Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCZ5ZQKSYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishQMdAQCyVlDZ v/3EFCuC4U1l70mMu8t+F4RPvqYxM3QPCi5dDQEA751YN/kaqxeXZDqGUKCAOE3K Nl4XFTfLEkDVrQFFqPc= =9sV8 -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "Updates to the usual drivers (ufs, lpfc, fnic, qla2xx, mpi3mr). The major core change is the renaming of the slave_ methods plus a bit of constification. The rest are minor updates and fixes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (103 commits) scsi: fnic: Propagate SCSI error code from fnic_scsi_drv_init() scsi: fnic: Test for memory allocation failure and return error code scsi: fnic: Return appropriate error code from failure of scsi drv init scsi: fnic: Return appropriate error code for mem alloc failure scsi: fnic: Remove always-true IS_FNIC_FCP_INITIATOR macro scsi: fnic: Fix use of uninitialized value in debug message scsi: fnic: Delete incorrect debugfs error handling scsi: fnic: Remove unnecessary else to fix warning in FDLS FIP scsi: fnic: Remove extern definition from .c files scsi: fnic: Remove unnecessary else and unnecessary break in FDLS scsi: mpi3mr: Fix possible crash when setting up bsg fails scsi: ufs: bsg: Set bsg_queue to NULL after removal scsi: ufs: bsg: Delete bsg_dev when setting up bsg fails scsi: st: Don't set pos_unknown just after device recognition scsi: aic7xxx: Fix build 'aicasm' warning scsi: Revert "scsi: ufs: core: Probe for EXT_IID support" scsi: storvsc: Ratelimit warning logs to prevent VM denial of service scsi: scsi_debug: Constify sdebug_driver_template scsi: documentation: Corrections for struct updates scsi: driver-api: documentation: Change what is added to docbook ... |
||
|
Linus Torvalds
|
949268ec54 |
firewire updates for v6.14
Two changes for the 6.14 kernel. The first change concerns the PCI driver for 1394 OHCI hardware. Previously, it used legacy PCI suspend/resume callbacks, which have now been replaced with callbacks defined in the Linux generic power management framework. This original patch was posted in 2020 and has been adapted with some modifications for the latest kernel. Note that the driver still includes platform-specific operations for PowerPC, and these operations have not been tested in the new implementation yet. It would be helpful to share the results of suspending/resuming on the platform. The rest is a minor fix for the memory allocation in some KUnit tests. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQE66IEYNDXNBPeGKSsLtaWM8LwEwUCZ5X2iwAKCRCsLtaWM8Lw E9NHAP40sG56/XbmXvU9AFwIHp9GdmflFc7fpWU7IYLFXiy3PgEAyFvO70axmsbS rbFAt7kzfIW/ylcM7GrCn/c/RcQEvQA= =BZbp -----END PGP SIGNATURE----- Merge tag 'firewire-updates-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire updates from Takashi Sakamoto: "Two changes for the 6.14 kernel. The first change concerns the PCI driver for 1394 OHCI hardware. Previously, it used legacy PCI suspend/resume callbacks, which have now been replaced with callbacks defined in the Linux generic power management framework. This original patch was posted in 2020 and has been adapted with some modifications for the latest kernel. Note that the driver still includes platform-specific operations for PowerPC, and these operations have not been tested in the new implementation yet. It would be helpful to share the results of suspending/resuming on the platform. The other one is a minor fix for the memory allocation in some KUnit tests" * tag 'firewire-updates-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: test: Fix potential null dereference in firewire kunit test firewire: ohci: use generic power management |
||
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Linus Torvalds
|
41bfad507c |
Modules changes for 6.14-rc1
Several fixes and small improvements are present: - Sign modules with sha512 instead of sha1 by default - Don't fail module loading when setting ro_after_init section RO failed - Constify 'struct module_attribute' - Cleanups and preparation for const struct bin_attribute - Put known GPL offenders in an array - Extend the preempt disabled section in dereference_symbol_descriptor() This has been all on linux-next for at least 2 weeks with no issues. A small merge conflict between the changes here and a pull from the driver-core tree might appear in kernel/module/sysfs.c, function add_notes_attrs(). The code has been cleaned up here and the driver-core additionally changes nattr->read to nattr->read_new. Related to the modules, an important new tool gendwarfksyms to calculate symbols CRCs from DWARF data and thereby enable the modversion support for Rust should come through the kbuild tree. -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEEIduBR9MnFA82q/jtumpXJwqY6poFAmeWOxwUHHBldHIucGF2 bHVAc3VzZS5jb20ACgkQumpXJwqY6ppY0gf/aPhM6fLVArOIcyW1BvO8P4rl/nNp cBvN/WnNB3M1hCASAyCT56u8dDN8pxZYdMvaMKd2rCDGVIdcnXdhBEXmYLbZ4ih2 w56nEJHbtqH2MZcBtrfZgJ4V70poNuKNl0JpTUzya+uGtl4noTfxybjcJXDvlNoO 2Qj6SgblZ35GbEWBW0TrfjwiiHVTADaj2s0V9Pnsmpk472qc4fEMc96U3AGvsGsp b3KJZND2SW1bdTnTyO1SOJBcMeYCKlXb7f3/X7tGqqn7jhjfx1nrfeVG+NLYXaZo XxNi4vzmJCpu3wkOryvxj8WQkkHIqVkldtpM/fmu+GYVRr282LRdOdrY5Q== =GgGQ -----END PGP SIGNATURE----- Merge tag 'modules-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux Pull modules updates from Petr Pavlu: - Sign modules with sha512 instead of sha1 by default - Don't fail module loading when failing to set the ro_after_init section read-only - Constify 'struct module_attribute' - Cleanups and preparation for const struct bin_attribute - Put known GPL offenders in an array - Extend the preempt disabled section in dereference_symbol_descriptor() * tag 'modules-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux: module: sign with sha512 instead of sha1 by default module: Don't fail module loading when setting ro_after_init section RO failed module: Split module_enable_rodata_ro() module: sysfs: Use const 'struct bin_attribute' module: sysfs: Add notes attributes through attribute_group module: sysfs: Simplify section attribute allocation module: sysfs: Drop 'struct module_sect_attr' module: sysfs: Drop member 'module_sect_attr::address' module: sysfs: Drop member 'module_sect_attrs::nsections' module: Constify 'struct module_attribute' module: Handle 'struct module_version_attribute' as const params: Prepare for 'const struct module_attribute *' module: Put known GPL offenders in an array module: Extend the preempt disabled section in dereference_symbol_descriptor(). |
||
|
Linus Torvalds
|
40648d246f |
rv: tools/rtla: Updates for 6.14
- Add a test suite to test the tool
Add a small test suite that can be used to test rtla's basic features to
at least have something to test when applying changes.
- Automate manual steps in monitor creation
While creating a new monitor in RV, besides generating code from dot2k,
there are a few manual steps which can be tedious and error prone, like
adding the tracepoints, makefile lines and kconfig, or selecting events
that start the monitor in the initial state.
Updates were made to try and automate as much as possible among those steps to
make creating a new RV monitor much quicker. It is still requires to
select proper tracepoints, this step is harder to automate in a general
way and, in several cases, would still need user intervention.
- Have rtla timerlat hist and top set OSNOISE_WORKLOAD flag
Have both rtla-timerlat-hist and rtla-timerlat-top set OSNOISE_WORKLOAD to
the proper value ("on" when running with -k, "off" when running with -u)
every time the option is available instead of setting it only when running
with -u.
This prevents rtla timerlat -k from giving no results when
NO_OSNOISE_WORKLOAD is set, either manually or by an abnormally exited earlier
run of rtla timerlat -u.
- Stop rtla timerlat on signal properly when overloaded
There is an issue where if rtla is run on machines with a high number of
CPUs (100+), timerlat can generate more samples than rtla is able to process
via tracefs_iterate_raw_events. This is especially common when the interval
is set to 100us (rteval and cyclictest default) as opposed to the rtla
default of 1000us, but also happens with the rtla default.
Currently, this leads to rtla hanging and having to be terminated with
SIGTERM. SIGINT setting stop_tracing is not enough, since more and more
events are coming and tracefs_iterate_raw_events never exits.
To fix this: Stop the timerlat tracer on SIGINT/SIGALRM to ensure no more
events are generated when rtla is supposed to exit.
Also on receiving SIGINT/SIGALRM twice, abort iteration immediately with
tracefs_iterate_stop, making rtla exit right away instead of waiting for all
events to be processed.
- Account for missed events
Due to tracefs buffer overflow, it can happen that rtla misses events,
making the tracing results inaccurate.
Count both the number of missed events and the total number of processed
events, and display missed events as well as their percentage. The numbers
are displayed for both osnoise and timerlat, even though for the earlier,
missed events are generally not expected.
For hist, the number is displayed at the end of the run; for top, it is
displayed on each printing of the top table.
- Changes to make osnoise more robust
There was a dependency in the code that the first field of the
osnoise_tool structure was the trace field. If that that ever changed,
then the code work break. Change the code to encapsulate this dependency
where the code that uses the structure does not have this dependency.
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Merge tag 'trace-tools-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull rv and tools/rtla updates from Steven Rostedt:
- Add a test suite to test the tool
Add a small test suite that can be used to test rtla's basic features
to at least have something to test when applying changes.
- Automate manual steps in monitor creation
While creating a new monitor in RV, besides generating code from
dot2k, there are a few manual steps which can be tedious and error
prone, like adding the tracepoints, makefile lines and kconfig, or
selecting events that start the monitor in the initial state.
Updates were made to try and automate as much as possible among those
steps to make creating a new RV monitor much quicker. It is still
requires to select proper tracepoints, this step is harder to
automate in a general way and, in several cases, would still need
user intervention.
- Have rtla timerlat hist and top set OSNOISE_WORKLOAD flag
Have both rtla-timerlat-hist and rtla-timerlat-top set
OSNOISE_WORKLOAD to the proper value ("on" when running with -k,
"off" when running with -u) every time the option is available
instead of setting it only when running with -u.
This prevents rtla timerlat -k from giving no results when
NO_OSNOISE_WORKLOAD is set, either manually or by an abnormally
exited earlier run of rtla timerlat -u.
- Stop rtla timerlat on signal properly when overloaded
There is an issue where if rtla is run on machines with a high number
of CPUs (100+), timerlat can generate more samples than rtla is able
to process via tracefs_iterate_raw_events. This is especially common
when the interval is set to 100us (rteval and cyclictest default) as
opposed to the rtla default of 1000us, but also happens with the rtla
default.
Currently, this leads to rtla hanging and having to be terminated
with SIGTERM. SIGINT setting stop_tracing is not enough, since more
and more events are coming and tracefs_iterate_raw_events never
exits.
To fix this: Stop the timerlat tracer on SIGINT/SIGALRM to ensure no
more events are generated when rtla is supposed to exit.
Also on receiving SIGINT/SIGALRM twice, abort iteration immediately
with tracefs_iterate_stop, making rtla exit right away instead of
waiting for all events to be processed.
- Account for missed events
Due to tracefs buffer overflow, it can happen that rtla misses
events, making the tracing results inaccurate.
Count both the number of missed events and the total number of
processed events, and display missed events as well as their
percentage. The numbers are displayed for both osnoise and timerlat,
even though for the earlier, missed events are generally not
expected.
For hist, the number is displayed at the end of the run; for top, it
is displayed on each printing of the top table.
- Changes to make osnoise more robust
There was a dependency in the code that the first field of the
osnoise_tool structure was the trace field. If that that ever
changed, then the code work break. Change the code to encapsulate
this dependency where the code that uses the structure does not have
this dependency.
* tag 'trace-tools-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (22 commits)
rtla: Report missed event count
rtla: Add function to report missed events
rtla: Count all processed events
rtla: Count missed trace events
tools/rtla: Add osnoise_trace_is_off()
rtla/timerlat_top: Set OSNOISE_WORKLOAD for kernel threads
rtla/timerlat_hist: Set OSNOISE_WORKLOAD for kernel threads
rtla/osnoise: Distinguish missing workload option
rtla/timerlat_top: Abort event processing on second signal
rtla/timerlat_hist: Abort event processing on second signal
rtla/timerlat_top: Stop timerlat tracer on signal
rtla/timerlat_hist: Stop timerlat tracer on signal
rtla: Add trace_instance_stop
tools/rtla: Add basic test suite
verification/dot2k: Implement event type detection
verification/dot2k: Auto patch current kernel source
verification/dot2k: Simplify manual steps in monitor creation
rv: Simplify manual steps in monitor creation
verification/dot2k: Add support for name and description options
verification/dot2k: More robust template variables
...
|
||
|
Linus Torvalds
|
90ab2117f4 |
Runtime verifier and osnoise fixes for 6.14:
- Reset idle tasks on reset for runtime verifier When the runtime verifier is reset, it resets the task's data that is being monitored. But it only iterates for_each_process() which does not include the idle tasks. As the idle tasks can be monitored, they need to be reset as well. - Fix the enabling and disabling of tracepoints in osnoise If timerlat is enabled and the WORKLOAD flag is not set, then the osnoise tracer will enable the migrate task tracepoint to monitor it for its own workload. The test to enable the tracepoint is done against user space modifiable parameters. On disabling of the tracer, those same parameters are used to determine if the tracepoint should be disabled. The problem is if user space were to modify the parameters after it enables the tracer then it may not disable the tracepoint. Instead, a static variable is used to keep track if the tracepoint was enabled or not. Then when the tracer shuts down, it will use this variable to decide to disable the tracepoint or not, instead of looking at the user space parameters. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZ5UJ1BQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qo46AQDjr1yVTyUmzvxe1bMLDoDOq1xeRMRe 4f8CdpOJRxbi0QEAwnl5Ey9Rvcuy8GFpt/USESr4VYWAN10fvsPx7pkphAs= =RYyn -----END PGP SIGNATURE----- Merge tag 'trace-rv-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull runtime verifier and osnoise fixes from Steven Rostedt: - Reset idle tasks on reset for runtime verifier When the runtime verifier is reset, it resets the task's data that is being monitored. But it only iterates for_each_process() which does not include the idle tasks. As the idle tasks can be monitored, they need to be reset as well. - Fix the enabling and disabling of tracepoints in osnoise If timerlat is enabled and the WORKLOAD flag is not set, then the osnoise tracer will enable the migrate task tracepoint to monitor it for its own workload. The test to enable the tracepoint is done against user space modifiable parameters. On disabling of the tracer, those same parameters are used to determine if the tracepoint should be disabled. The problem is if user space were to modify the parameters after it enables the tracer then it may not disable the tracepoint. Instead, a static variable is used to keep track if the tracepoint was enabled or not. Then when the tracer shuts down, it will use this variable to decide to disable the tracepoint or not, instead of looking at the user space parameters. * tag 'trace-rv-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing/osnoise: Fix resetting of tracepoints rv: Reset per-task monitors also for idle tasks |
||
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Linus Torvalds
|
5fb4088624 |
bitmap patches for v6.14.
Hi Linus, Please pull bitmap patches for v6.14. This includes const_true() series from Vincent Mailhol, another __always_inline rework from Nathan Chancellor for RISCV, and a couple random fixes from Dr. David Alan Gilbert and I Hsin Cheng. Thanks, Yury -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEi8GdvG6xMhdgpu/4sUSA/TofvsgFAmeUMpEACgkQsUSA/Tof vsiqEAv/VvtTD6I3Ms3kIl2G1pBP/EFcYQGbwS1PCsX3RX16rinZ2XUDRtjvRy1Y FA+OsZ2yPtH8G1WRM8YauZsh2cZSCA4xTFadLSZkT8leSWERKaTyJI+PXe2A43IU d+FV4zYH5JYqV2u9aLHWMO8Voq9nNHZXOYHRu0q53TBFn7V294Lma9oDlK3Wjfur vSZZU9SKKlMV8Oy6/hZ3tDemUDM1jAGlqrxFb8aXRsTsCpsmlqE1bQdZ+AadjevZ cVeplB8OCCnqcYV28szIwsJpSzmd5/WBP6jLpeMgBYFGS0JT2USdZ8gsw+Yq/On5 hjxek3cHBKdv0CINk0Ejf4aV0IvoX5S/VRlTjhttzyX68no1DoibDuWJWB42PRWS frllVOmdkm2DqA0G9mgxtwzBl5UqMFVe5LuVU9E9BZZeDmRZmS3obrUiMzpiqUOs zkdDvA0uaKgjx2qZADDEFqg1+XdX0A0iPebEv9vLaULXv0+D/PbkClNqIf8p7778 2GWuBLJe =1hW6 -----END PGP SIGNATURE----- Merge tag 'bitmap-for-6.14' of https://github.com:/norov/linux Pull bitmap updates from Yury Norov: "This includes const_true() series from Vincent Mailhol, another __always_inline rework from Nathan Chancellor for RISCV, and a couple of random fixes from Dr. David Alan Gilbert and I Hsin Cheng" * tag 'bitmap-for-6.14' of https://github.com:/norov/linux: cpumask: Rephrase comments for cpumask_any*() APIs cpu: Remove unused init_cpu_online riscv: Always inline bitops linux/bits.h: simplify GENMASK_INPUT_CHECK() compiler.h: add const_true() |
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Thorsten Leemhuis
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f3b93547b9 |
module: sign with sha512 instead of sha1 by default
Switch away from using sha1 for module signing by default and use the more modern sha512 instead, which is what among others Arch, Fedora, RHEL, and Ubuntu are currently using for their kernels. Sha1 has not been considered secure against well-funded opponents since 2005[1]; since 2011 the NIST and other organizations furthermore recommended its replacement[2]. This is why OpenSSL on RHEL9, Fedora Linux 41+[3], and likely some other current and future distributions reject the creation of sha1 signatures, which leads to a build error of allmodconfig configurations: 80A20474797F0000:error:03000098:digital envelope routines:do_sigver_init:invalid digest:crypto/evp/m_sigver.c:342: make[4]: *** [.../certs/Makefile:53: certs/signing_key.pem] Error 1 make[4]: *** Deleting file 'certs/signing_key.pem' make[4]: *** Waiting for unfinished jobs.... make[3]: *** [.../scripts/Makefile.build:478: certs] Error 2 make[2]: *** [.../Makefile:1936: .] Error 2 make[1]: *** [.../Makefile:224: __sub-make] Error 2 make[1]: Leaving directory '...' make: *** [Makefile:224: __sub-make] Error 2 This change makes allmodconfig work again and sets a default that is more appropriate for current and future users, too. Link: https://www.schneier.com/blog/archives/2005/02/cryptanalysis_o.html [1] Link: https://csrc.nist.gov/projects/hash-functions [2] Link: https://fedoraproject.org/wiki/Changes/OpenSSLDistrustsha1SigVer [3] Signed-off-by: Thorsten Leemhuis <linux@leemhuis.info> Reviewed-by: Sami Tolvanen <samitolvanen@google.com> Tested-by: kdevops <kdevops@lists.linux.dev> [0] Link: https://github.com/linux-kdevops/linux-modules-kpd/actions/runs/11420092929/job/31775404330 [0] Link: https://lore.kernel.org/r/52ee32c0c92afc4d3263cea1f8a1cdc809728aff.1729088288.git.linux@leemhuis.info Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Christophe Leroy
|
110b1e070f |
module: Don't fail module loading when setting ro_after_init section RO failed
Once module init has succeded it is too late to cancel loading.
If setting ro_after_init data section to read-only fails, all we
can do is to inform the user through a warning.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Closes: https://lore.kernel.org/all/20230915082126.4187913-1-ruanjinjie@huawei.com/
Fixes:
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Christophe Leroy
|
097fd001e1 |
module: Split module_enable_rodata_ro()
module_enable_rodata_ro() is called twice, once before module init to set rodata sections readonly and once after module init to set rodata_after_init section readonly. The second time, only the rodata_after_init section needs to be set to read-only, no need to re-apply it to already set rodata. Split module_enable_rodata_ro() in two. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Tested-by: Daniel Gomez <da.gomez@samsung.com> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Link: https://lore.kernel.org/r/e3b6ff0df7eac281c58bb02cecaeb377215daff3.1733427536.git.christophe.leroy@csgroup.eu Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
|
b83815afae |
module: sysfs: Use const 'struct bin_attribute'
The sysfs core is switching to 'const struct bin_attribute's. Prepare for that. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20241227-sysfs-const-bin_attr-module-v2-6-e267275f0f37@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
|
4723f16de6 |
module: sysfs: Add notes attributes through attribute_group
A kobject is meant to manage the lifecycle of some resource. However the module sysfs code only creates a kobject to get a "notes" subdirectory in sysfs. This can be achieved easier and cheaper by using a sysfs group. Switch the notes attribute code to such a group, similar to how the section allocation in the same file already works. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20241227-sysfs-const-bin_attr-module-v2-5-e267275f0f37@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
|
f47c0bebed |
module: sysfs: Simplify section attribute allocation
The existing allocation logic manually stuffs two allocations into one. This is hard to understand and of limited value, given that all the section names are allocated on their own anyways. Une one allocation per datastructure. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20241227-sysfs-const-bin_attr-module-v2-4-e267275f0f37@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
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34f5ec0f82 |
module: sysfs: Drop 'struct module_sect_attr'
This is now an otherwise empty wrapper around a 'struct bin_attribute', not providing any functionality. Remove it. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20241227-sysfs-const-bin_attr-module-v2-3-e267275f0f37@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
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4b2c11e4aa |
module: sysfs: Drop member 'module_sect_attr::address'
'struct bin_attribute' already contains the member 'private' to pass custom data to the attribute handlers. Use that instead of the custom 'address' member. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20241227-sysfs-const-bin_attr-module-v2-2-e267275f0f37@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
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d8959b947a |
module: sysfs: Drop member 'module_sect_attrs::nsections'
The member is only used to iterate over all attributes in free_sect_attrs(). However the attribute group can already be used for that. Use the group and drop 'nsections'. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20241227-sysfs-const-bin_attr-module-v2-1-e267275f0f37@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
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f3227ffda0 |
module: Constify 'struct module_attribute'
These structs are never modified, move them to read-only memory. This makes the API clearer and also prepares for the constification of 'struct attribute' itself. While at it, also constify 'modinfo_attrs_count'. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Link: https://lore.kernel.org/r/20241216-sysfs-const-attr-module-v1-3-3790b53e0abf@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
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38e3fe6595 |
module: Handle 'struct module_version_attribute' as const
The structure is always read-only due to its placement in the read-only section __modver. Reflect this at its usage sites. Also prepare for the const handling of 'struct module_attribute' itself. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Link: https://lore.kernel.org/r/20241216-sysfs-const-attr-module-v1-2-3790b53e0abf@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Thomas Weißschuh
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30d4460888 |
params: Prepare for 'const struct module_attribute *'
The 'struct module_attribute' sysfs callbacks are about to change to receive a 'const struct module_attribute *' parameter. Prepare for that by avoid casting away the constness through container_of() and using const pointers to 'struct param_attribute'. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Link: https://lore.kernel.org/r/20241216-sysfs-const-attr-module-v1-1-3790b53e0abf@weissschuh.net Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Uwe Kleine-König
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c8e0bd579e |
module: Put known GPL offenders in an array
Instead of repeating the add_taint_module() call for each offender, create an array and loop over that one. This simplifies adding new entries considerably. Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com> Link: https://lore.kernel.org/r/20241115185253.1299264-2-wse@tuxedocomputers.com [ppavlu: make the array const] Signed-off-by: Petr Pavlu <petr.pavlu@suse.com> |
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Sebastian Andrzej Siewior
|
a145c848d6 |
module: Extend the preempt disabled section in dereference_symbol_descriptor().
dereference_symbol_descriptor() needs to obtain the module pointer
belonging to pointer in order to resolve that pointer.
The returned mod pointer is obtained under RCU-sched/ preempt_disable()
guarantees and needs to be used within this section to ensure that the
module is not removed in the meantime.
Extend the preempt_disable() section to also cover
dereference_module_function_descriptor().
Fixes:
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Linus Torvalds
|
c2da8b3f91 |
Changes since last update:
- Micro-optimize superblock checksum; - Avoid overly large bvecs[] for file-backed mounts; - Some leftover folio conversion in z_erofs_bind_cache(); - Minor bugfixes and cleanups. -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEQ0A6bDUS9Y+83NPFUXZn5Zlu5qoFAmeVA7kRHHhpYW5nQGtl cm5lbC5vcmcACgkQUXZn5Zlu5qqhtA/7BH6b8r5vuyIT8i63rxQA0Wkf45norCQL xi8Lvcp3wd+7XPJB3ifmKHyd5Yr8X/7z7KPcwY8eJYUcUYwzzlM95Vdh/gYdHYTW qqLZ+CCxmAnE5/0IxWuvQ/SWorj+e29mSxYOZB0MFbuGX87uX4xkeBWr5uE36X56 AVlBvNTKhqvFnifW7a7QEUjgbUA+YC+WXnnKJWI8fysHY8Hs+kf7JE0boTaFsClb VQhdn3YERDvdjh3JzUbjTA3OETwrQ6416j+stN6ExIazy1j3kmNBPtCkgNZ3ja6/ 0ye6SSo5dVTwM/jI26rz10Ge4wlTYlSNvTwocH3iZAb73b8T+S5cvCqPv4NFOAKs aQc5gY+lv8hQf8r088BX4HqnDgdYSJKZwpo8sfHJ6RET/fAQItYcwWLi3GB8+JZB coZm7FQp5x9xvF0JzKT3X0WSFnzsTzm3pIt/Xgw0hUYo92t6V5hnaHH7EEn9LSBM 6c/JLX1VU5wwJx4UP1qiOMr3awJANISDm6ogZ55yiNmoPeVM+yTHFcRfwehVkQHm 2H8vGyhvWpq++v1hhesb7YB3xQx6BcpOoI1r4t11ISZraY0MTEKW4Up4eWSXHADP lB3h1xSI6TpkQ8FD/AzXA7tQjoB+nc15VPbXhSowRPQ5C3i0rl4aXINRTkl4TUZh Kje7IFTbyT8= =kjU1 -----END PGP SIGNATURE----- Merge tag 'erofs-for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs Pull erofs updates from Gao Xiang: "Still no new features for this cycle, as some ongoing improvements remain premature for now. This includes a micro-optimization for the superblock checksum, along with minor bugfixes and code cleanups, as usual: - Micro-optimize superblock checksum - Avoid overly large bvecs[] for file-backed mounts - Some leftover folio conversion in z_erofs_bind_cache() - Minor bugfixes and cleanups" * tag 'erofs-for-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: refine z_erofs_get_extent_compressedlen() erofs: remove dead code in erofs_fc_parse_param erofs: return SHRINK_EMPTY if no objects to free erofs: convert z_erofs_bind_cache() to folios erofs: tidy up zdata.c erofs: get rid of `z_erofs_next_pcluster_t` erofs: simplify z_erofs_load_compact_lcluster() erofs: fix potential return value overflow of z_erofs_shrink_scan() erofs: shorten bvecs[] for file-backed mounts erofs: micro-optimize superblock checksum fs: erofs: xattr.c change kzalloc to kcalloc |
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Linus Torvalds
|
aa22f4da2a |
remoteproc updates for v6.14
Correct error path in rproc_alloc(), with regards to put_device() and freeing of the rproc index ida. The Mediatek SCP remoteproc driver is returned to only creating child devices from specific DeviceTree nodes. OMAP remoteproc driver is updated to match the cleanups in the OMAP iommu driver. In addition to this, a number of conversions to devres and other small, mostly stylistic, code cleanups. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmeVIZEVHGFuZGVyc3Nv bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FwaMP/10U35ZG0iFhjmMTWusMMS/j/FMv ufD1wXCibAROf/Kj3JhITVjUyOVNYisyGKi8gUPmWn9Ti5nMjUFvYDXtUfrBegLf Kl1rYIFuXCeldQQbZDbtHXnXTtosneQSqLSoj1lQSiQgC8R0SuQCwm3KyhSBJs1P sxXz6B+ewW67U7hpaRI/hzKOzq3ANK7NqMzTxVkage+VRfEcc1xeH+iwTUUseiYR GkECXTogol+btjUyAM7QVkVUAA+DqjJoFinWW6kXzOP1Z+L6T4lqcqXVoakItR8K hJ2IP5ktoShDtQ1IdXOLXcdS9IL6YPvLjkY5YPv9/fSEyiKBOC3k49ED1tkLuFa4 0/CDamFLeuAZm3yvnsH2sgpLYrUOdVbm6nkqicBq2BGngJxWr1crVeXclON39TgU 7wa0jLWW2P1B649NGNRrM+6vsxrZPRRYVdpoT7L6EItdQfUKOo5ra1Min9SIeAjy edsAaM7UogOyewYTWW///3ecjS1UDEW2gOzrRnAyxUWd+6yzBxnMsxY+0h1idXPt Wbf9PP0YDd4HtbXrCH96t1FtMJJ9TClh7vxCLqpMSS1H508uFpSkMmOpw13FnODu evvucZ3QjOs+eujiuZWzbJyjXIqMSfU0wDYz2xSVOJxvctsUkASQzlvirqQZe0uy Oe9jfkgPMRdW9jQ9 =QA3V -----END PGP SIGNATURE----- Merge tag 'rproc-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux Pull remoteproc updates from Bjorn Andersson: - Correct error path in rproc_alloc(), with regards to put_device() and freeing of the rproc index ida - The Mediatek SCP remoteproc driver is returned to only creating child devices from specific DeviceTree nodes - Update the OMAP remoteproc driver to match the cleanups in the OMAP iommu driver In addition to this, a number of conversions to devres and other small, mostly stylistic, code cleanups * tag 'rproc-v6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: remoteproc: st: Use syscon_regmap_lookup_by_phandle_args remoteproc: keystone: Use syscon_regmap_lookup_by_phandle_args remoteproc: st: Simplify with dev_err_probe remoteproc: omap: Simplify returning syscon PTR_ERR remoteproc: keystone: Simplify returning syscon PTR_ERR remoteproc: k3-r5: Add devm action to release tsp remoteproc: k3-r5: Use devm_rproc_add() helper remoteproc: k3-r5: Use devm_ioremap_wc() helper remoteproc: k3-r5: Use devm_kcalloc() helper remoteproc: k3-r5: Add devm action to release reserved memory remoteproc: mtk_scp: Only populate devices for SCP cores remoteproc: omap: Handle ARM dma_iommu_mapping remoteproc: core: Fix ida_free call while not allocated |
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Linus Torvalds
|
eda061cccd |
linux-watchdog 6.14-rc1 tag
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEABECAAYFAmeTcTkACgkQ+iyteGJfRsq+jwCgvHWRGd0AE6TUgrgBCSfQWGWZ WXkAnAyliRpcK4QPW2XZ2pKzUr+/lFF1 =o+LK -----END PGP SIGNATURE----- Merge tag 'linux-watchdog-6.14-rc1' of git://www.linux-watchdog.org/linux-watchdog Pull watchdog updates from Wim Van Sebroeck: - Add Qualcomm IPQ5424 DT binding - da9052_wdt: add support for bootstatus bits - Other small fixes and improvements * tag 'linux-watchdog-6.14-rc1' of git://www.linux-watchdog.org/linux-watchdog: dt-bindings: watchdog: Document Qualcomm IPQ5424 watchdog: rti_wdt: Fix an OF node leak in rti_wdt_probe() watchdog: max77620: fix excess field in kerneldoc watchdog: sp805_wdt: Drop documentation of non-existent `status` member watchdog: rzv2h_wdt: Use local `dev` pointer in probe watchdog: da9052_wdt: add support for bootstatus bits watchdog: sp805: Report correct timeleft at maximum watchdog: rti: Fix off-by-one in heartbeat recovery |
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Linus Torvalds
|
08de7f9d4d |
* MTD changes
There's been no major core change, and a bunch of driver related
improvements, amongst them the conversion to of_property_present() for
non-boolean properties, the addition of the support for Fujitsu
MB85RS128TY FRAM, a couple of improvements to the phram driver and the
usual load of misc changes.
* Raw NAND changes
A new controller driver, from Nuvoton, has been merged.
Bastien Curutchet has contributed a series improving the Davinci
controller driver, both on the organization of the code, but also on the
performance side. The binding has also been converted to yaml, received
a new OOB layout and now supports on-die ECC engines.
The Qualcomm controller driver has been deeply cleaned to extract some
parts of the code into a shared file with the Qualcomm SPI memory
controller.
Aside from these main changes, the Cadence binding has been converted to
yaml, the brcmnand controller driver has received a small fix, otherwise
some more minor changes have also made their way in.
* SPI NAND changes
The SPI NAND subsystem has seen a great improvement, with the advent of
DTR operations (DDR operations, which may be extended to the address
cycles). The first vendor driver to benefit from these improvements is
the Winbond driver.
A new manufacturer driver is added SkyHigh, with a new constraint for
the core, it is impossible to disable the on-die ECC engine.
A Foresee device is also now supported.
* SPI NOR changes
Several flash entries have been added: Atmel AT25SF321, Spansion
S28HL256T and S28HL02GT.
Support for vcc-supply regulators and their DT bindings has been added.
The mx25u25635f entry has been dropped. The flash shares its ID with
mx25u25645g and both parts have an SFDP table. Removing their entry lets
them be driven by the generic SFDP-based driver.
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Merge tag 'mtd/for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD changes:
- There's been no major core change, just a bunch of driver related
improvements.
Amongst them the conversion to of_property_present() for
non-boolean properties, the addition of the support for Fujitsu
MB85RS128TY FRAM, a couple of improvements to the phram driver and
the usual load of misc changes.
Raw NAND changes:
- A new controller driver, from Nuvoton, has been merged
- Bastien Curutchet has contributed a series improving the Davinci
controller driver, both on the organization of the code, but also
on the performance side. The binding has also been converted to
yaml, received a new OOB layout and now supports on-die ECC engines
- The Qualcomm controller driver has been deeply cleaned to extract
some parts of the code into a shared file with the Qualcomm SPI
memory controller
- Aside from these main changes, the Cadence binding has been
converted to yaml, the brcmnand controller driver has received a
small fix, otherwise some more minor changes have also made their
way in
SPI NAND changes:
- The SPI NAND subsystem has seen a great improvement, with the
advent of DTR operations (DDR operations, which may be extended to
the address cycles). The first vendor driver to benefit from these
improvements is the Winbond driver
- A new manufacturer driver is added SkyHigh, with a new constraint
for the core, it is impossible to disable the on-die ECC engine
- A Foresee device is also now supported
SPI NOR changes:
- Several flash entries have been added: Atmel AT25SF321, Spansion
S28HL256T and S28HL02GT
- Support for vcc-supply regulators and their DT bindings has been
added
- The mx25u25635f entry has been dropped. The flash shares its ID
with mx25u25645g and both parts have an SFDP table. Removing their
entry lets them be driven by the generic SFDP-based driver"
* tag 'mtd/for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (47 commits)
mtd: spinand: skyhigh: Align with recent read from cache variant changes
mtd: spinand: winbond: Add support for DTR operations
mtd: spinand: winbond: Add comment about naming
mtd: spinand: winbond: Update the *JW chip definitions
mtd: spinand: Add support for read DTR operations
mtd: spinand: Enhance the logic when picking a variant
mtd: spinand: Add an optional frequency to read from cache macros
mtd: spinand: Create distinct fast and slow read from cache variants
mtd: hyperbus: Use of_property_present() for non-boolean properties
mtd: st_spi_fsm: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr()
mtd: rawnand: davinci: add ROM supported OOB layout
mtd: spi-nor: sysfs: constify 'struct bin_attribute'
mtd: spi-nor: spansion: Add support for S28HL02GT
mtd: spi-nor: spansion: Add support for S28HL256T
mtd: spi-nor: extend description of size member of struct flash_info
mtd: rawnand: davinci: Reduce polling interval in NAND_OP_WAITRDY_INSTR
mtd: rawnand: qcom: Fix build issue on x86 architecture
mtd: rawnand: qcom: use FIELD_PREP and GENMASK
mtd: nand: Add qpic_common API file
mtd: rawnand: qcom: Add qcom prefix to common api
...
|
||
|
Linus Torvalds
|
647d69605c |
pci-v6.14-changes
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Merge tag 'pci-v6.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Batch sizing of multiple BARs while memory decoding is disabled
instead of disabling/enabling decoding for each BAR individually;
this optimizes virtualized environments where toggling decoding
enable is expensive (Alex Williamson)
- Add host bridge .enable_device() and .disable_device() hooks for
bridges that need to configure things like Requester ID to StreamID
mapping when enabling devices (Frank Li)
- Extend struct pci_ecam_ops with .enable_device() and
.disable_device() hooks so drivers that use pci_host_common_probe()
instead of their own .probe() have a way to set the
.enable_device() callbacks (Marc Zyngier)
- Drop 'No bus range found' message so we don't complain when DTs
don't specify the default 'bus-range = <0x00 0xff>' (Bjorn Helgaas)
- Rename the drivers/pci/of_property.c struct of_pci_range to
of_pci_range_entry to avoid confusion with the global of_pci_range
in include/linux/of_address.h (Bjorn Helgaas)
Driver binding:
- Update resource request API documentation to encourage callers to
supply a driver name when requesting resources (Philipp Stanner)
- Export pci_intx_unmanaged() and pcim_intx() (always managed) so
callers of pci_intx() (which is sometimes managed) can explicitly
choose the one they need (Philipp Stanner)
- Convert drivers from pci_intx() to always-managed pcim_intx() or
never-managed pci_intx_unmanaged(): amd_sfh, ata (ahci, ata_piix,
pata_rdc, sata_sil24, sata_sis, sata_uli, sata_vsc), bnx2x, bna,
ntb, qtnfmac, rtsx, tifm_7xx1, vfio, xen-pciback (Philipp Stanner)
- Remove pci_intx_unmanaged() since pci_intx() is now always
unmanaged and pcim_intx() is always managed (Philipp Stanner)
Error handling:
- Unexport pcie_read_tlp_log() to encourage drivers to use PCI core
logging rather than building their own (Ilpo Järvinen)
- Move TLP Log handling to its own file (Ilpo Järvinen)
- Store number of supported End-End TLP Prefixes always so we can
read the correct number of DWORDs from the TLP Prefix Log (Ilpo
Järvinen)
- Read TLP Prefixes in addition to the Header Log in
pcie_read_tlp_log() (Ilpo Järvinen)
- Add pcie_print_tlp_log() to consolidate printing of TLP Header and
Prefix Log (Ilpo Järvinen)
- Quirk the Intel Raptor Lake-P PIO log size to accommodate vendor
BIOSes that don't configure it correctly (Takashi Iwai)
ASPM:
- Save parent L1 PM Substates config so when we restore it along with
an endpoint's config, the parent info isn't junk (Jian-Hong Pan)
Power management:
- Avoid D3 for Root Ports on TUXEDO Sirius Gen1 with old BIOS because
the system can't wake up from suspend (Werner Sembach)
Endpoint framework:
- Destroy the EPC device in devm_pci_epc_destroy(), which previously
didn't call devres_release() (Zijun Hu)
- Finish virtual EP removal in pci_epf_remove_vepf(), which
previously caused a subsequent pci_epf_add_vepf() to fail with
-EBUSY (Zijun Hu)
- Write BAR_MASK before iATU registers in pci_epc_set_bar() so we
don't depend on the BAR_MASK reset value being larger than the
requested BAR size (Niklas Cassel)
- Prevent changing BAR size/flags in pci_epc_set_bar() to prevent
reads from bypassing the iATU if we reduced the BAR size (Niklas
Cassel)
- Verify address alignment when programming iATU so we don't attempt
to write bits that are read-only because of the BAR size, which
could lead to directing accesses to the wrong address (Niklas
Cassel)
- Implement artpec6 pci_epc_features so we can rely on all drivers
supporting it so we can use it in EPC core code (Niklas Cassel)
- Check for BARs of fixed size to prevent endpoint drivers from
trying to change their size (Niklas Cassel)
- Verify that requested BAR size is a power of two when endpoint
driver sets the BAR (Niklas Cassel)
Endpoint framework tests:
- Clear pci-epf-test dma_chan_rx, not dma_chan_tx, after freeing
dma_chan_rx (Mohamed Khalfella)
- Correct the DMA MEMCPY test so it doesn't fail if the Endpoint
supports both DMA_PRIVATE and DMA_MEMCPY (Manivannan Sadhasivam)
- Add pci-epf-test and pci_endpoint_test support for capabilities
(Niklas Cassel)
- Add Endpoint test for consecutive BARs (Niklas Cassel)
- Remove redundant comparison from Endpoint BAR test because a > 1MB
BAR can always be exactly covered by iterating with a 1MB buffer
(Hans Zhang)
- Move and convert PCI Endpoint tests from tools/pci to Kselftests
(Manivannan Sadhasivam)
Apple PCIe controller driver:
- Convert StreamID mapping configuration from a bus notifier to the
.enable_device() and .disable_device() callbacks (Marc Zyngier)
Freescale i.MX6 PCIe controller driver:
- Add Requester ID to StreamID mapping configuration when enabling
devices (Frank Li)
- Use DWC core suspend/resume functions for imx6 (Frank Li)
- Add suspend/resume support for i.MX8MQ, i.MX8Q, and i.MX95 (Richard
Zhu)
- Add DT compatible string 'fsl,imx8q-pcie-ep' and driver support for
i.MX8Q series (i.MX8QM, i.MX8QXP, and i.MX8DXL) Endpoints (Frank
Li)
- Add DT binding for optional i.MX95 Refclk and driver support to
enable it if the platform hasn't enabled it (Richard Zhu)
- Configure PHY based on controller being in Root Complex or Endpoint
mode (Frank Li)
- Rely on dbi2 and iATU base addresses from DT via
dw_pcie_get_resources() instead of hardcoding them (Richard Zhu)
- Deassert apps_reset in imx_pcie_deassert_core_reset() since it is
asserted in imx_pcie_assert_core_reset() (Richard Zhu)
- Add missing reference clock enable or disable logic for IMX6SX,
IMX7D, IMX8MM (Richard Zhu)
- Remove redundant imx7d_pcie_init_phy() since
imx7d_pcie_enable_ref_clk() does the same thing (Richard Zhu)
Freescale Layerscape PCIe controller driver:
- Simplify by using syscon_regmap_lookup_by_phandle_args() instead
of syscon_regmap_lookup_by_phandle() followed by
of_property_read_u32_array() (Krzysztof Kozlowski)
Marvell MVEBU PCIe controller driver:
- Add MODULE_DEVICE_TABLE() to enable module autoloading (Liao Chen)
MediaTek PCIe Gen3 controller driver:
- Use clk_bulk_prepare_enable() instead of separate
clk_bulk_prepare() and clk_bulk_enable() (Lorenzo Bianconi)
- Rearrange reset assert/deassert so they're both done in the
*_power_up() callbacks (Lorenzo Bianconi)
- Document that Airoha EN7581 requires PHY init and power-on before
PHY reset deassert, unlike other MediaTek Gen3 controllers (Lorenzo
Bianconi)
- Move Airoha EN7581 post-reset delay from the en7581 clock .enable()
method to mtk_pcie_en7581_power_up() (Lorenzo Bianconi)
- Sleep instead of delay during Airoha EN7581 power-up, since this is
a non-atomic context (Lorenzo Bianconi)
- Skip PERST# assertion on Airoha EN7581 during probe and
suspend/resume to avoid a hardware defect (Lorenzo Bianconi)
- Enable async probe to reduce system startup time (Douglas Anderson)
Microchip PolarFlare PCIe controller driver:
- Set up the inbound address translation based on whether the
platform allows coherent or non-coherent DMA (Daire McNamara)
- Update DT binding such that platforms are DMA-coherent by default
and must specify 'dma-noncoherent' if needed (Conor Dooley)
Mobiveil PCIe controller driver:
- Convert mobiveil-pcie.txt to YAML and update 'interrupt-names'
and 'reg-names' (Frank Li)
Qualcomm PCIe controller driver:
- Add DT SM8550 and SM8650 optional 'global' interrupt for link
events (Neil Armstrong)
- Add DT 'compatible' strings for IPQ5424 PCIe controller (Manikanta
Mylavarapu)
- If 'global' IRQ is supported for detection of Link Up events, tell
DWC core not to wait for link up (Krishna chaitanya chundru)
Renesas R-Car PCIe controller driver:
- Avoid passing stack buffer as resource name (King Dix)
Rockchip PCIe controller driver:
- Simplify clock and reset handling by using bulk interfaces (Anand
Moon)
- Pass typed rockchip_pcie (not void) pointer to
rockchip_pcie_disable_clocks() (Anand Moon)
- Return -ENOMEM, not success, when pci_epc_mem_alloc_addr() fails
(Dan Carpenter)
Rockchip DesignWare PCIe controller driver:
- Use dll_link_up IRQ to detect Link Up and enumerate devices so
users don't have to manually rescan (Niklas Cassel)
- Tell DWC core not to wait for link up since the 'sys' interrupt is
required and detects Link Up events (Niklas Cassel)
Synopsys DesignWare PCIe controller driver:
- Don't wait for link up in DWC core if driver can detect Link Up
event (Krishna chaitanya chundru)
- Update ICC and OPP votes after Link Up events (Krishna chaitanya
chundru)
- Always stop link in dw_pcie_suspend_noirq(), which is required at
least for i.MX8QM to re-establish link on resume (Richard Zhu)
- Drop racy and unnecessary LTSSM state check before sending
PME_TURN_OFF message in dw_pcie_suspend_noirq() (Richard Zhu)
- Add struct of_pci_range.parent_bus_addr for devices that need their
immediate parent bus address, not the CPU address, e.g., to program
an internal Address Translation Unit (iATU) (Frank Li)
TI DRA7xx PCIe controller driver:
- Simplify by using syscon_regmap_lookup_by_phandle_args() instead of
syscon_regmap_lookup_by_phandle() followed by
of_parse_phandle_with_fixed_args() or of_property_read_u32_index()
(Krzysztof Kozlowski)
Xilinx Versal CPM PCIe controller driver:
- Add DT binding and driver support for Xilinx Versal CPM5
(Thippeswamy Havalige)
MicroSemi Switchtec management driver:
- Add Microchip PCI100X device IDs (Rakesh Babu Saladi)
Miscellaneous:
- Move reset related sysfs code from pci.c to pci-sysfs.c where other
similar code lives (Ilpo Järvinen)
- Simplify reset_method_store() memory management by using __free()
instead of explicit kfree() cleanup (Ilpo Järvinen)
- Constify struct bin_attribute for sysfs, VPD, P2PDMA, and the IBM
ACPI hotplug driver (Thomas Weißschuh)
- Remove redundant PCI_VSEC_HDR and PCI_VSEC_HDR_LEN_SHIFT (Dongdong
Zhang)
- Correct documentation of the 'config_acs=' kernel parameter
(Akihiko Odaki)"
* tag 'pci-v6.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (111 commits)
PCI: Batch BAR sizing operations
dt-bindings: PCI: microchip,pcie-host: Allow dma-noncoherent
PCI: microchip: Set inbound address translation for coherent or non-coherent mode
Documentation: Fix pci=config_acs= example
PCI: Remove redundant PCI_VSEC_HDR and PCI_VSEC_HDR_LEN_SHIFT
PCI: Don't include 'pm_wakeup.h' directly
selftests: pci_endpoint: Migrate to Kselftest framework
selftests: Move PCI Endpoint tests from tools/pci to Kselftests
misc: pci_endpoint_test: Fix IOCTL return value
dt-bindings: PCI: qcom: Document the IPQ5424 PCIe controller
dt-bindings: PCI: qcom,pcie-sm8550: Document 'global' interrupt
dt-bindings: PCI: mobiveil: Convert mobiveil-pcie.txt to YAML
PCI: switchtec: Add Microchip PCI100X device IDs
misc: pci_endpoint_test: Remove redundant 'remainder' test
misc: pci_endpoint_test: Add consecutive BAR test
misc: pci_endpoint_test: Add support for capabilities
PCI: endpoint: pci-epf-test: Add support for capabilities
PCI: endpoint: pci-epf-test: Fix check for DMA MEMCPY test
PCI: endpoint: pci-epf-test: Set dma_chan_rx pointer to NULL on error
PCI: dwc: Simplify config resource lookup
...
|
||
|
Linus Torvalds
|
184a0997fb |
[GIT PULL for v6.14] media updates
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE+QmuaPwR3wnBdVwACF8+vY7k4RUFAmeTNHEACgkQCF8+vY7k 4RWHRA//UI8B/q+/WHzqC5CCtySIvrabFvhQOFPR1GBwPBoASS0JwGuVFZcsJbjV m6krBshs2OTwafVH8Sbxw6tlShG5hs7fe6hwhtokEnrL5uzfgYMxf7MpM0F2g8CR 1zTow17A7TDeUhdYDTmVbdcOb9rj5oFJCEOVsQXNaAu2jsDBGVZ1P7iUZTwIeyT+ r0uUzrlLylH4neIyXu6yBWXYCmXbQXtGHxkwe5GGxKMfqKwD83KK5gd4uUpiAyJe tKW+gzZa/ngJaCQ+cr+8/z270h2vXeNohhC3c6Kq+/6pZgyEwUgyDTXT4nYVsUdd 1DeYiQekMUE3MwsKXPtFCyH3VGMvgMQK9fc+N10KC8wj+uCaqi59une8Yz3Ck89m tIE9R9EwBWiyAmSKEBVZAJJjOKi5TBC1lOw+RUUjnjwVG34gZhe/ML8IyWI8OcAH nEHb8BGwWHpoO7M5bmtzSbjAhgxzizzCclp1aEIzTlAbtC+1YXd96qJxzG5qjUrA uO0PvwghFjjiZKDU9Iwsk9q83VMCva3IX9pondmefC5OZvgR5xG/L6H5JfwRotOa XlRLj80/Pmn+PqvHxHJYqHkp9ujqiGbq6b0PJYU7FjiyghDGV7+urHuvmT+sdLo8 +nzch/NbZDf2WFxENZOzAOSYKYbahcp3dqkiOwTU1Iu23ERkSws= =ktuX -----END PGP SIGNATURE----- Merge tag 'media/v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - Sensor driver fixes - remove dead TI wl128x FM radio driver - Add support for the imx462 sensor at the IMX290 binding - V4L2 pixel data transmitter and receiver documentation improvements - Add support for MIPI Discovery and Configuration for C-PHY line orders - imx8-isi fixes and improvements - stm32: dcmipp: add core support for the stm32mp25 - qcom: camss: Add sc7280 support - Various fixes and enhancements * tag 'media/v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (152 commits) media: nuvoton: Fix an error check in npcm_video_ece_init() media: dvb-usb-v2: af9035: fix ISO C90 compilation error on af9035_i2c_master_xfer media: platform: rzg2l-cru: rzg2l-video: Fix the comment in rzg2l_cru_start_streaming_vq() media: fix secfeed undefined when filter alloc fail media: dt-bindings: trivial white-space and example cleanup MAINTAINERS: repair file entry in MEDIA DRIVERS FOR STM32 - CSI media: solo6x10: Use const 'struct bin_attribute' callback media: saa7164: Remove unused values staging: media: imx: fix OF node leak in imx_media_add_of_subdevs() media: platform: exynos4-is: Remove unused __is_get_frame_size media: vidtv: Fix a null-ptr-deref in vidtv_mux_stop_thread media: mmp: Bring back registration of the device media: cec: include linux/debugfs.h and linux/seq_file.h where needed Revert "media: qcom: camss: Restructure camss_link_entities" media: venus: Remove unused hfi_core_ping() media: dt-bindings: qcom-venus: Deprecate video-decoder and video-encoder where applicable media: venus: Populate video encoder/decoder nodename entries media: venus: Add support for static video encoder/decoder declarations media: venus: match instance creation and destruction order media: venus: destroy hfi session after m2m_ctx release ... |
||
|
Linus Torvalds
|
405057718a |
kgdb patches for 6.14
A very small set of changes this kernel cycle. It consists of two cleanups, one switches to kmap_local_page() (from kmap_atomic() ) and the other removes a bit of dead code. Signed-off-by: Daniel Thompson (RISCstar) <danielt@kernel.org> -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEELzVBU1D3lWq6cKzwfOMlXTn3iKEFAmeVJ0EACgkQfOMlXTn3 iKEtAQ/6A8eMJBhqKT+c51mFsrZiofit7i22/nw5G9yg7u6KRKudVk9Hu54NBZ9j p824xOS/rwKuqd1cd0LwBbUd+V1jQNT5x4FjwHbI3eA7e+ek2tA8OAVk6QYSHWmg pu2scuKtZYldrfZVVd7hUwizxQSGScGewVIvDTTTKKOun55r8tIcznrjFXUmw+RR Tg45EfZO77IP/AYfMRmztYoUExR9TQ54BrezCnYHHB9NlldjtfD4IxfFC1yUa6Ph fmkG27L8UzGJATqLIYyG25tyk3ZkNplFqLXjCJgR66xzAFRlaPYn9SA+qaqw2SQh MCR2jOTCMmG9zGtbcs/YbGpUDkOz8gtfuGQOm91jLzTH3FQ2sM11rokKxdx+Add1 Sx56snhukRKD0aZGZgIPjqeBGdUYtdclWAbRsm4/2Q83ipRclP5jezW9N1EIWMZL HLVXZJSXpLl7gAEYNorDiyUTqna7IXvGOAu4HHj0rMKCj57wA90yIiml/sIl3kN8 fRGpqK2tc14/8MqeugqctiAGfBYYvNRupdnI0KvbgMDDP4s3d/QPYgnjSYQW2sjc 8ZFMO84x39SPtGNNx2mPVmVP3Wuf4Njy+v2wmGzcd7RbM1G6nYt2rh7cZs32/PFt zeo5iYjYIxPA8oSOmJh+uQtlACyWaNW7pIaTwyoutgaUDdgspIg= =n8Nr -----END PGP SIGNATURE----- Merge tag 'kgdb-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux Pull kgdb updates from Daniel Thompson: "A very small set of changes this kernel cycle. Two cleanups, one switches to kmap_local_page() (from kmap_atomic()) and the other removes a bit of dead code" * tag 'kgdb-6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux: kdb: Remove unused flags stack kdb: use kmap_local_page() |
||
|
Linus Torvalds
|
fd56e5104a |
OpenRISC updates for 6.14
A few updates from me and the community: * Added support for restartable sequences * Migration to Generic built-in DTB from Masahiro Yamada -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE2cRzVK74bBA6Je/xw7McLV5mJ+QFAmeUhJEACgkQw7McLV5m J+TpeA//VSJeutnK1s6u4VQbO6P0FM2JkY7yy8oAcitlG5bJ/WrRboNCgshaIRlG etoTwEb5llcUL2jDp7217I6Z5XDWUgQwul63PTYeoqEfwvF6kC3DEbOZ8QSfan/x F38kUDQWSyPKzt5aeNQZnKBr32jIZ/MfY9+XC2RHrNYhCTSoTqUcKxk8a69sx9cN MSxrqcfOsywakVgWsM4kPkWzQD4GI5E67BJBw0cI6ux0pqThQsiUyjtwxbIOZXUe /QtaBtGdqYMNEPs4RmoD2qGS3j5GtD3Nxv3adbKs0vpDXHyZj1+SFnIsBU9QBzni meXp4qONoIovg4Mh9VK6iZUWd6z6wegxP370bbsJGErzWS11t3p6qRYXg52DRMh8 w8rB/rHH2n/Dx7T17ec/E+D67/9BiapZrfxaDRjZ1/aa17JYiQeuHFDHRzo4uap2 TZ1NyPHQYLblmj0XDAsh8Me6PKI2pDL8DWZbFZ9dY7rN3lJP9G7kCdqBsM54NmBp M47asri2N2VRhrewWF4fNk9bbf4Ai9ERqShyg211d4fRTg1FhfpGEAKHnu9x2z1D isZf6JSrWhSrgQSq1dxvSjUnW7aw+NCPNqJjuKXYpCnxZePAa1O3/7HpipY58qr5 Ki1TN6x7DuWjR2mTaiIGzT2vktdBP9qFVJYfNneEme7111nRRuA= =9RPl -----END PGP SIGNATURE----- Merge tag 'for-linus' of https://github.com/openrisc/linux Pull OpenRISC updates from Stafford Horne: - Added support for restartable sequences (me) - Migration to Generic built-in DTB (Masahiro Yamada) * tag 'for-linus' of https://github.com/openrisc/linux: rseq/selftests: Add support for OpenRISC openrisc: Add support for restartable sequences openrisc: Add HAVE_REGS_AND_STACK_ACCESS_API support openrisc: migrate to the generic rule for built-in DTB |
||
|
Linus Torvalds
|
0f8e26b38d |
Loongarch:
* Clear LLBCTL if secondary mmu mapping changes.
* Add hypercall service support for usermode VMM.
x86:
* Add a comment to kvm_mmu_do_page_fault() to explain why KVM performs a
direct call to kvm_tdp_page_fault() when RETPOLINE is enabled.
* Ensure that all SEV code is compiled out when disabled in Kconfig, even
if building with less brilliant compilers.
* Remove a redundant TLB flush on AMD processors when guest CR4.PGE changes.
* Use str_enabled_disabled() to replace open coded strings.
* Drop kvm_x86_ops.hwapic_irr_update() as KVM updates hardware's APICv cache
prior to every VM-Enter.
* Overhaul KVM's CPUID feature infrastructure to track all vCPU capabilities
instead of just those where KVM needs to manage state and/or explicitly
enable the feature in hardware. Along the way, refactor the code to make
it easier to add features, and to make it more self-documenting how KVM
is handling each feature.
* Rework KVM's handling of VM-Exits during event vectoring; this plugs holes
where KVM unintentionally puts the vCPU into infinite loops in some scenarios
(e.g. if emulation is triggered by the exit), and brings parity between VMX
and SVM.
* Add pending request and interrupt injection information to the kvm_exit and
kvm_entry tracepoints respectively.
* Fix a relatively benign flaw where KVM would end up redoing RDPKRU when
loading guest/host PKRU, due to a refactoring of the kernel helpers that
didn't account for KVM's pre-checking of the need to do WRPKRU.
* Make the completion of hypercalls go through the complete_hypercall
function pointer argument, no matter if the hypercall exits to
userspace or not. Previously, the code assumed that KVM_HC_MAP_GPA_RANGE
specifically went to userspace, and all the others did not; the new code
need not special case KVM_HC_MAP_GPA_RANGE and in fact does not care at
all whether there was an exit to userspace or not.
* As part of enabling TDX virtual machines, support support separation of
private/shared EPT into separate roots. When TDX will be enabled, operations
on private pages will need to go through the privileged TDX Module via SEAMCALLs;
as a result, they are limited and relatively slow compared to reading a PTE.
The patches included in 6.14 allow KVM to keep a mirror of the private EPT in
host memory, and define entries in kvm_x86_ops to operate on external page
tables such as the TDX private EPT.
* The recently introduced conversion of the NX-page reclamation kthread to
vhost_task moved the task under the main process. The task is created as
soon as KVM_CREATE_VM was invoked and this, of course, broke userspace that
didn't expect to see any child task of the VM process until it started
creating its own userspace threads. In particular crosvm refuses to fork()
if procfs shows any child task, so unbreak it by creating the task lazily.
This is arguably a userspace bug, as there can be other kinds of legitimate
worker tasks and they wouldn't impede fork(); but it's not like userspace
has a way to distinguish kernel worker tasks right now. Should they show
as "Kthread: 1" in proc/.../status?
x86 - Intel:
* Fix a bug where KVM updates hardware's APICv cache of the highest ISR bit
while L2 is active, while ultimately results in a hardware-accelerated L1
EOI effectively being lost.
* Honor event priority when emulating Posted Interrupt delivery during nested
VM-Enter by queueing KVM_REQ_EVENT instead of immediately handling the
interrupt.
* Rework KVM's processing of the Page-Modification Logging buffer to reap
entries in the same order they were created, i.e. to mark gfns dirty in the
same order that hardware marked the page/PTE dirty.
* Misc cleanups.
Generic:
* Cleanup and harden kvm_set_memory_region(); add proper lockdep assertions when
setting memory regions and add a dedicated API for setting KVM-internal
memory regions. The API can then explicitly disallow all flags for
KVM-internal memory regions.
* Explicitly verify the target vCPU is online in kvm_get_vcpu() to fix a bug
where KVM would return a pointer to a vCPU prior to it being fully online,
and give kvm_for_each_vcpu() similar treatment to fix a similar flaw.
* Wait for a vCPU to come online prior to executing a vCPU ioctl, to fix a
bug where userspace could coerce KVM into handling the ioctl on a vCPU that
isn't yet onlined.
* Gracefully handle xarray insertion failures; even though such failures are
impossible in practice after xa_reserve(), reserving an entry is always followed
by xa_store() which does not know (or differentiate) whether there was an
xa_reserve() before or not.
RISC-V:
* Zabha, Svvptc, and Ziccrse extension support for guests. None of them
require anything in KVM except for detecting them and marking them
as supported; Zabha adds byte and halfword atomic operations, while the
others are markers for specific operation of the TLB and of LL/SC
instructions respectively.
* Virtualize SBI system suspend extension for Guest/VM
* Support firmware counters which can be used by the guests to collect
statistics about traps that occur in the host.
Selftests:
* Rework vcpu_get_reg() to return a value instead of using an out-param, and
update all affected arch code accordingly.
* Convert the max_guest_memory_test into a more generic mmu_stress_test.
The basic gist of the "conversion" is to have the test do mprotect() on
guest memory while vCPUs are accessing said memory, e.g. to verify KVM
and mmu_notifiers are working as intended.
* Play nice with treewrite builds of unsupported architectures, e.g. arm
(32-bit), as KVM selftests' Makefile doesn't do anything to ensure the
target architecture is actually one KVM selftests supports.
* Use the kernel's $(ARCH) definition instead of the target triple for arch
specific directories, e.g. arm64 instead of aarch64, mainly so as not to
be different from the rest of the kernel.
* Ensure that format strings for logging statements are checked by the
compiler even when the logging statement itself is disabled.
* Attempt to whack the last LLC references/misses mole in the Intel PMU
counters test by adding a data load and doing CLFLUSH{OPT} on the data
instead of the code being executed. It seems that modern Intel CPUs
have learned new code prefetching tricks that bypass the PMU counters.
* Fix a flaw in the Intel PMU counters test where it asserts that events
are counting correctly without actually knowing what the events count
given the underlying hardware; this can happen if Intel reuses a
formerly microarchitecture-specific event encoding as an architectural
event, as was the case for Top-Down Slots.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"Loongarch:
- Clear LLBCTL if secondary mmu mapping changes
- Add hypercall service support for usermode VMM
x86:
- Add a comment to kvm_mmu_do_page_fault() to explain why KVM
performs a direct call to kvm_tdp_page_fault() when RETPOLINE is
enabled
- Ensure that all SEV code is compiled out when disabled in Kconfig,
even if building with less brilliant compilers
- Remove a redundant TLB flush on AMD processors when guest CR4.PGE
changes
- Use str_enabled_disabled() to replace open coded strings
- Drop kvm_x86_ops.hwapic_irr_update() as KVM updates hardware's
APICv cache prior to every VM-Enter
- Overhaul KVM's CPUID feature infrastructure to track all vCPU
capabilities instead of just those where KVM needs to manage state
and/or explicitly enable the feature in hardware. Along the way,
refactor the code to make it easier to add features, and to make it
more self-documenting how KVM is handling each feature
- Rework KVM's handling of VM-Exits during event vectoring; this
plugs holes where KVM unintentionally puts the vCPU into infinite
loops in some scenarios (e.g. if emulation is triggered by the
exit), and brings parity between VMX and SVM
- Add pending request and interrupt injection information to the
kvm_exit and kvm_entry tracepoints respectively
- Fix a relatively benign flaw where KVM would end up redoing RDPKRU
when loading guest/host PKRU, due to a refactoring of the kernel
helpers that didn't account for KVM's pre-checking of the need to
do WRPKRU
- Make the completion of hypercalls go through the complete_hypercall
function pointer argument, no matter if the hypercall exits to
userspace or not.
Previously, the code assumed that KVM_HC_MAP_GPA_RANGE specifically
went to userspace, and all the others did not; the new code need
not special case KVM_HC_MAP_GPA_RANGE and in fact does not care at
all whether there was an exit to userspace or not
- As part of enabling TDX virtual machines, support support
separation of private/shared EPT into separate roots.
When TDX will be enabled, operations on private pages will need to
go through the privileged TDX Module via SEAMCALLs; as a result,
they are limited and relatively slow compared to reading a PTE.
The patches included in 6.14 allow KVM to keep a mirror of the
private EPT in host memory, and define entries in kvm_x86_ops to
operate on external page tables such as the TDX private EPT
- The recently introduced conversion of the NX-page reclamation
kthread to vhost_task moved the task under the main process. The
task is created as soon as KVM_CREATE_VM was invoked and this, of
course, broke userspace that didn't expect to see any child task of
the VM process until it started creating its own userspace threads.
In particular crosvm refuses to fork() if procfs shows any child
task, so unbreak it by creating the task lazily. This is arguably a
userspace bug, as there can be other kinds of legitimate worker
tasks and they wouldn't impede fork(); but it's not like userspace
has a way to distinguish kernel worker tasks right now. Should they
show as "Kthread: 1" in proc/.../status?
x86 - Intel:
- Fix a bug where KVM updates hardware's APICv cache of the highest
ISR bit while L2 is active, while ultimately results in a
hardware-accelerated L1 EOI effectively being lost
- Honor event priority when emulating Posted Interrupt delivery
during nested VM-Enter by queueing KVM_REQ_EVENT instead of
immediately handling the interrupt
- Rework KVM's processing of the Page-Modification Logging buffer to
reap entries in the same order they were created, i.e. to mark gfns
dirty in the same order that hardware marked the page/PTE dirty
- Misc cleanups
Generic:
- Cleanup and harden kvm_set_memory_region(); add proper lockdep
assertions when setting memory regions and add a dedicated API for
setting KVM-internal memory regions. The API can then explicitly
disallow all flags for KVM-internal memory regions
- Explicitly verify the target vCPU is online in kvm_get_vcpu() to
fix a bug where KVM would return a pointer to a vCPU prior to it
being fully online, and give kvm_for_each_vcpu() similar treatment
to fix a similar flaw
- Wait for a vCPU to come online prior to executing a vCPU ioctl, to
fix a bug where userspace could coerce KVM into handling the ioctl
on a vCPU that isn't yet onlined
- Gracefully handle xarray insertion failures; even though such
failures are impossible in practice after xa_reserve(), reserving
an entry is always followed by xa_store() which does not know (or
differentiate) whether there was an xa_reserve() before or not
RISC-V:
- Zabha, Svvptc, and Ziccrse extension support for guests. None of
them require anything in KVM except for detecting them and marking
them as supported; Zabha adds byte and halfword atomic operations,
while the others are markers for specific operation of the TLB and
of LL/SC instructions respectively
- Virtualize SBI system suspend extension for Guest/VM
- Support firmware counters which can be used by the guests to
collect statistics about traps that occur in the host
Selftests:
- Rework vcpu_get_reg() to return a value instead of using an
out-param, and update all affected arch code accordingly
- Convert the max_guest_memory_test into a more generic
mmu_stress_test. The basic gist of the "conversion" is to have the
test do mprotect() on guest memory while vCPUs are accessing said
memory, e.g. to verify KVM and mmu_notifiers are working as
intended
- Play nice with treewrite builds of unsupported architectures, e.g.
arm (32-bit), as KVM selftests' Makefile doesn't do anything to
ensure the target architecture is actually one KVM selftests
supports
- Use the kernel's $(ARCH) definition instead of the target triple
for arch specific directories, e.g. arm64 instead of aarch64,
mainly so as not to be different from the rest of the kernel
- Ensure that format strings for logging statements are checked by
the compiler even when the logging statement itself is disabled
- Attempt to whack the last LLC references/misses mole in the Intel
PMU counters test by adding a data load and doing CLFLUSH{OPT} on
the data instead of the code being executed. It seems that modern
Intel CPUs have learned new code prefetching tricks that bypass the
PMU counters
- Fix a flaw in the Intel PMU counters test where it asserts that
events are counting correctly without actually knowing what the
events count given the underlying hardware; this can happen if
Intel reuses a formerly microarchitecture-specific event encoding
as an architectural event, as was the case for Top-Down Slots"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (151 commits)
kvm: defer huge page recovery vhost task to later
KVM: x86/mmu: Return RET_PF* instead of 1 in kvm_mmu_page_fault()
KVM: Disallow all flags for KVM-internal memslots
KVM: x86: Drop double-underscores from __kvm_set_memory_region()
KVM: Add a dedicated API for setting KVM-internal memslots
KVM: Assert slots_lock is held when setting memory regions
KVM: Open code kvm_set_memory_region() into its sole caller (ioctl() API)
LoongArch: KVM: Add hypercall service support for usermode VMM
LoongArch: KVM: Clear LLBCTL if secondary mmu mapping is changed
KVM: SVM: Use str_enabled_disabled() helper in svm_hardware_setup()
KVM: VMX: read the PML log in the same order as it was written
KVM: VMX: refactor PML terminology
KVM: VMX: Fix comment of handle_vmx_instruction()
KVM: VMX: Reinstate __exit attribute for vmx_exit()
KVM: SVM: Use str_enabled_disabled() helper in sev_hardware_setup()
KVM: x86: Avoid double RDPKRU when loading host/guest PKRU
KVM: x86: Use LVT_TIMER instead of an open coded literal
RISC-V: KVM: Add new exit statstics for redirected traps
RISC-V: KVM: Update firmware counters for various events
RISC-V: KVM: Redirect instruction access fault trap to guest
...
|
||
|
Linus Torvalds
|
382e391365 |
hyperv-next for v6.14
-----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEIbPD0id6easf0xsudhRwX5BBoF4FAmeTFQ4THHdlaS5saXVA a2VybmVsLm9yZwAKCRB2FHBfkEGgXqMWB/4uHjnu50u+m00OwXAKQr6i92zh50BZ RQragd9s9C8tuUNwPDmS/ct2BNAhoy43KJ0ClegdZjKxT1Ys8cLv4Wr5CaGckqWq +WCHqTgt+cPe0vUofqahB5wiAZMsnBgzFkV/OfFwBx0wkub9y5T3qVq5KapYlaDI 7Gftb+wg1AAsrdZ/HuLRy5ZVvkM/73rU2uoi8WXjr/T14E1krCFR/qirLd1OXo6Q Jb97qhnCt/N9JPwIq5/VnYWde5Mpqz6UgtA2rFLDXgNGz+h9/ND6ecWFHjZWNVdc AKWZTO5t+fRVBOSyahoyRoYSntPw3wlxyL7A2/54h6j4Dex7wLt6NQBj =empO -----END PGP SIGNATURE----- Merge tag 'hyperv-next-signed-20250123' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyperv updates from Wei Liu: - Introduce a new set of Hyper-V headers in include/hyperv and replace the old hyperv-tlfs.h with the new headers (Nuno Das Neves) - Fixes for the Hyper-V VTL mode (Roman Kisel) - Fixes for cpu mask usage in Hyper-V code (Michael Kelley) - Document the guest VM hibernation behaviour (Michael Kelley) - Miscellaneous fixes and cleanups (Jacob Pan, John Starks, Naman Jain) * tag 'hyperv-next-signed-20250123' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: Documentation: hyperv: Add overview of guest VM hibernation hyperv: Do not overlap the hvcall IO areas in hv_vtl_apicid_to_vp_id() hyperv: Do not overlap the hvcall IO areas in get_vtl() hyperv: Enable the hypercall output page for the VTL mode hv_balloon: Fallback to generic_online_page() for non-HV hot added mem Drivers: hv: vmbus: Log on missing offers if any Drivers: hv: vmbus: Wait for boot-time offers during boot and resume uio_hv_generic: Add a check for HV_NIC for send, receive buffers setup iommu/hyper-v: Don't assume cpu_possible_mask is dense Drivers: hv: Don't assume cpu_possible_mask is dense x86/hyperv: Don't assume cpu_possible_mask is dense hyperv: Remove the now unused hyperv-tlfs.h files hyperv: Switch from hyperv-tlfs.h to hyperv/hvhdk.h hyperv: Add new Hyper-V headers in include/hyperv hyperv: Clean up unnecessary #includes hyperv: Move hv_connection_id to hyperv-tlfs.h |
||
|
Dr. David Alan Gilbert
|
6beaa75cd2 |
kdb: Remove unused flags stack
kdb_restore_flags() and kdb_save_flags() were added in 2010 by
commit
|
||
|
Zhang Heng
|
36975ec3a2 |
kdb: use kmap_local_page()
Use kmap_local_page() instead of kmap_atomic() which has been deprecated. Signed-off-by: Zhang Heng <zhangheng@kylinos.cn> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20241223085420.1815930-1-zhangheng@kylinos.cn Signed-off-by: Daniel Thompson (RISCstar) <danielt@kernel.org> |
||
|
Thorsten Blum
|
beeba1eeec |
ocfs2: use str_yes_no() and str_no_yes() helper functions
Remove hard-coded strings by using the str_yes_no() and str_no_yes() helper functions. Link: https://lkml.kernel.org/r/20250117091335.1189-2-thorsten.blum@linux.dev Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Gao Xiang
|
f0ef073e21 |
include/linux/lz4.h: add some missing macros
Currently, LZ4_DISTANCE_MAX and LZ4_DECOMPRESS_INPLACE_MARGIN are defined in the erofs subsystem for LZ4 in-place decompression, which is somewhat unsuitable since they should belong to the LZ4 itself and may change with future LZ4 codebase updates. Move them to include/linux/lz4.h to match the upstream LZ4 library [1]. No logic changes. [1] https://github.com/lz4/lz4/blob/v1.10.0/lib/lz4.h#L670 Link: https://lkml.kernel.org/r/20250114130454.1191150-1-hsiangkao@linux.alibaba.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com> Cc: Yann Collet <yann.collet.73@gmail.com> Cc: Nick Terrell <terrelln@fb.com> Cc: Chao Yu <chao@kernel.org> Cc: Yue Hu <zbestahu@gmail.com> Cc; Jeffle Xu <jefflexu@linux.alibaba.com> Cc: Sandeep Dhavale <dhavale@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Kemeng Shi
|
13fd5cf374 |
Xarray: use xa_mark_t in xas_squash_marks() to keep code consistent
Besides xas_squash_marks(), all functions use xa_mark_t type to iterate all possible marks. Use xa_mark_t in xas_squash_marks() to keep code consistent. Link: https://lkml.kernel.org/r/20241213122523.12764-6-shikemeng@huaweicloud.com Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Cc: Mattew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Kemeng Shi
|
1988b318b3 |
Xarray: remove repeat check in xas_squash_marks()
Caller of xas_squash_marks() has ensured xas->xa_sibs is non-zero. Just remove repeat check of xas->xa_sibs in xas_squash_marks(). Link: https://lkml.kernel.org/r/20241213122523.12764-5-shikemeng@huaweicloud.com Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Cc: Mattew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Kemeng Shi
|
97db889b96 |
Xarray: distinguish large entries correctly in xas_split_alloc()
We don't support large entries which expand two more level xa_node in split. For case "xas->xa_shift + 2 * XA_CHUNK_SHIFT == order", we also need two level of xa_node to expand. Distinguish entry as large entry in case "xas->xa_shift + 2 * XA_CHUNK_SHIFT == order". As max order of folio in pagecache (MAX_PAGECACHE_ORDER) is <= (XA_CHUNK_SHIFT * 2 - 1), this change is more likely a cleanup... Link: https://lkml.kernel.org/r/20241213122523.12764-4-shikemeng@huaweicloud.com Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Cc: Mattew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Kemeng Shi
|
c9ba5249ef |
Xarray: move forward index correctly in xas_pause()
After xas_load(), xas->index could point to mid of found multi-index entry and xas->index's bits under node->shift maybe non-zero. The afterward xas_pause() will move forward xas->index with xa->node->shift with bits under node->shift un-masked and thus skip some index unexpectedly. Consider following case: Assume XA_CHUNK_SHIFT is 4. xa_store_range(xa, 16, 31, ...) xa_store(xa, 32, ...) XA_STATE(xas, xa, 17); xas_for_each(&xas,...) xas_load(&xas) /* xas->index = 17, xas->xa_offset = 1, xas->xa_node->xa_shift = 4 */ xas_pause() /* xas->index = 33, xas->xa_offset = 2, xas->xa_node->xa_shift = 4 */ As we can see, index of 32 is skipped unexpectedly. Fix this by mask bit under node->xa_shift when move forward index in xas_pause(). For now, this will not cause serious problems. Only minor problem like cachestat return less number of page status could happen. Link: https://lkml.kernel.org/r/20241213122523.12764-3-shikemeng@huaweicloud.com Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Cc: Mattew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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|
Kemeng Shi
|
7e060df04f |
Xarray: do not return sibling entries from xas_find_marked()
Patch series "Fixes and cleanups to xarray", v5.
This series contains some random fixes and cleanups to xarray. Patch 1-2
are fixes and patch 3-6 are cleanups. More details can be found in
respective patches.
This patch (of 5):
Similar to issue fixed in commit
|
||
|
Randy Dunlap
|
cb7c77e9c0 |
ipc/util.c: complete the kernel-doc function descriptions
Move the function descriptive comments so that they conform to kernel-doc format, eliminating the kernel-doc warnings. util.c:618: warning: missing initial short description on line: * ipc_obtain_object_idr util.c:640: warning: missing initial short description on line: * ipc_obtain_object_check Link: https://lkml.kernel.org/r/20250111062905.910576-1-rdunlap@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Randy Dunlap
|
9c9ce355b1 |
gcov: clang: use correct function param names
Fix the function parameter names to match the function so that the kernel-doc warnings disappear. clang.c:273: warning: Function parameter or struct member 'dst' not described in 'gcov_info_add' clang.c:273: warning: Function parameter or struct member 'src' not described in 'gcov_info_add' clang.c:273: warning: Excess function parameter 'dest' description in 'gcov_info_add' clang.c:273: warning: Excess function parameter 'source' description in 'gcov_info_add' Link: https://lkml.kernel.org/r/20250111062944.910638-1-rdunlap@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Peter Oberparleiter <oberpar@linux.ibm.com> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Bill Wendling <morbo@google.com> Cc: Justin Stitt <justinstitt@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Randy Dunlap
|
690794430a |
latencytop: use correct kernel-doc format for func params
Use a ':' instead of a '-' after function parameters to eliminate
kernel-doc warnings.
kernel/latencytop.c:177: warning: Function parameter or struct member 'tsk' not described in '__account_scheduler_latency'
../kernel/latencytop.c:177: warning: Function parameter or struct member 'usecs' not described in '__account_scheduler_latency'
../kernel/latencytop.c:177: warning: Function parameter or struct member 'inter' not described in '__account_scheduler_latency'
Link: https://lkml.kernel.org/r/20250111063019.910730-1-rdunlap@infradead.org
Fixes:
|
||
|
David Laight
|
2b97aaf74e |
minmax.h: remove some #defines that are only expanded once
The bodies of __signed_type_use() and __unsigned_type_use() are much the same size as their names - so put the bodies in the only line that expands them. Similarly __signed_type() is defined separately for 64bit and then used exactly once just below. Change the test for __signed_type from CONFIG_64BIT to one based on gcc defined macros so that the code is valid if it gets used outside of a kernel build. Link: https://lkml.kernel.org/r/9386d1ebb8974fbabbed2635160c3975@AcuMS.aculab.com Signed-off-by: David Laight <david.laight@aculab.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@kernel.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Pedro Falcato <pedro.falcato@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
David Laight
|
495bba17cd |
minmax.h: simplify the variants of clamp()
Always pass a 'type' through to __clamp_once(), pass '__auto_type' from clamp() itself. The expansion of __types_ok3() is reasonable so it isn't worth the added complexity of avoiding it when a fixed type is used for all three values. Link: https://lkml.kernel.org/r/8f69f4deac014f558bab186444bac2e8@AcuMS.aculab.com Signed-off-by: David Laight <david.laight@aculab.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@kernel.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Pedro Falcato <pedro.falcato@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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David Laight
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c3939872ee |
minmax.h: move all the clamp() definitions after the min/max() ones
At some point the definitions for clamp() got added in the middle of the ones for min() and max(). Re-order the definitions so they are more sensibly grouped. Link: https://lkml.kernel.org/r/8bb285818e4846469121c8abc3dfb6e2@AcuMS.aculab.com Signed-off-by: David Laight <david.laight@aculab.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@kernel.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Pedro Falcato <pedro.falcato@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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David Laight
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a5743f32ba |
minmax.h: use BUILD_BUG_ON_MSG() for the lo < hi test in clamp()
Use BUILD_BUG_ON_MSG(statically_true(ulo > uhi), ...) for the sanity check of the bounds in clamp(). Gives better error coverage and one less expansion of the arguments. Link: https://lkml.kernel.org/r/34d53778977747f19cce2abb287bb3e6@AcuMS.aculab.com Signed-off-by: David Laight <david.laight@aculab.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@kernel.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Pedro Falcato <pedro.falcato@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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David Laight
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b280bb27a9 |
minmax.h: reduce the #define expansion of min(), max() and clamp()
Since the test for signed values being non-negative only relies on __builtion_constant_p() (not is_constexpr()) it can use the 'ux' variable instead of the caller supplied expression. This means that the #define parameters are only expanded twice. Once in the code and once quoted in the error message. Link: https://lkml.kernel.org/r/051afc171806425da991908ed8688a98@AcuMS.aculab.com Signed-off-by: David Laight <david.laight@aculab.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@kernel.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Pedro Falcato <pedro.falcato@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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David Laight
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10666e9920 |
minmax.h: update some comments
- Change three to several. - Remove the comment about retaining constant expressions, no longer true. - Realign to nearer 80 columns and break on major punctiation. - Add a leading comment to the block before __signed_type() and __is_nonneg() Otherwise the block explaining the cast is a bit 'floating'. Reword the rest of that comment to improve readability. Link: https://lkml.kernel.org/r/85b050c81c1d4076aeb91a6cded45fee@AcuMS.aculab.com Signed-off-by: David Laight <david.laight@aculab.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Arnd Bergmann <arnd@kernel.org> Cc: Christoph Hellwig <hch@infradead.org> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Jason A. Donenfeld <Jason@zx2c4.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Pedro Falcato <pedro.falcato@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |