Commit Graph

1153402 Commits

Author SHA1 Message Date
Yongqiang Niu
926d6214f6 mailbox: mtk-cmdq: add MT8186 support
add MT8186 cmdq support

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:30 -06:00
Yongqiang Niu
7abd037aa5 mailbox: mtk-cmdq: add gce ddr enable support flow
add gce ddr enable control flow when gce suspend/resume

when all cmdq instruction task has been processed done,
we need set this gce ddr enable to disable status to tell
cmdq hardware gce there is none task need process, and the hardware
can go into idle mode and no access ddr anymore, then the spm can go
into suspend.

the original issue is gce still access ddr when cmdq suspend function
call, but there is no task run.
so, we need control gce access ddr with this flow.
when cmdq suspend function, there is no task need process, we can
disable gce access ddr, to make sure system go into suspend success.

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:30 -06:00
Yongqiang Niu
63f40a7f5d mailbox: mtk-cmdq: add gce software ddr enable private data
if gce work control by software, we need set software enable
for MT8186 Soc

there is a handshake flow between gce and ddr hardware,
if not set ddr enable flag of gce, ddr will fall into idle
mode, then gce instructions will not process done.
we need set this flag of gce to tell ddr when gce is idle or busy
controlled by software flow.

0x48[2:0] means control by software
0x48[18:16] means ddr enable
0x48[2:0] is pre-condition of 0x48[18:16].
if we want set 0x48[18:16] ddr enable, 0x48[2:0] must be set at same
time.
and only these bits is useful, other bits is useless bits

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:29 -06:00
Yongqiang Niu
23ba2e7fa2 mailbox: mtk-cmdq: Use GCE_CTRL_BY_SW definition instead of number
Use GCE_CTRL_BY_SW definition instead of number

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:29 -06:00
ye xingchen
8b9b08bd8d mailbox: rockchip: Use device_get_match_data() to simplify the code
Directly get the match data with device_get_match_data().

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:29 -06:00
Luca Weiss
76f708f635 dt-bindings: mailbox: qcom-ipcc: Add sc8280xp compatible
Document the sc8280xp compatible, and at the same time also make sure
the list is sorted alphabetically.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:29 -06:00
Nicolas Frayer
31c8d06e55 mailbox: config: ti-msgmgr: Default set to ARCH_K3 for TI msg manager
Defaulting the build to ARCH_K3 for the TI message manager driver.

Signed-off-by: Nicolas Frayer <nfrayer@baylibre.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:29 -06:00
Bhupesh Sharma
e2cb0eac3d mailbox: qcom-apcs-ipc: Add SM4250 APCS IPC support
Enable SM4250 APCS IPC support by adding the compatible.
It reuses msm8994_apcs_data.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:29 -06:00
Bhupesh Sharma
e0cb05a02c dt-bindings: mailbox: qcom: Add SM4250 APCS compatible
Add compatible for the Qualcomm SM4250 APCS block.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2022-12-18 20:40:29 -06:00
Helge Deller
9086e60179 parisc: Add missing FORCE prerequisites in Makefile
Fix those make warnings:
    arch/parisc/kernel/vdso32/Makefile:30: FORCE prerequisite is missing
    arch/parisc/kernel/vdso64/Makefile:30: FORCE prerequisite is missing

Add the missing FORCE prerequisites for all build targets identified by
"make help".

Fixes: e1f86d7b4b ("kbuild: warn if FORCE is missing for if_changed(_dep,_rule) and filechk")
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # 5.18+
2022-12-18 22:18:49 +01:00
Helge Deller
4add395bc7 parisc: Move pdc_result struct to firmware.c
Signed-off-by: Helge Deller <deller@gmx.de>
2022-12-18 22:18:49 +01:00
Helge Deller
7dc4dbfe75 parisc: Drop locking in pdc console code
No need to have specific locking for console I/O since
the PDC functions provide an own locking.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # 6.1+
2022-12-18 22:18:49 +01:00
Helge Deller
7e6652c79e parisc: Drop duplicate kgdb_pdc console
The kgdb console is already implemented and registered in pdc_cons.c,
so the duplicate code can be dropped.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # 6.1+
2022-12-18 22:18:49 +01:00
Helge Deller
7236aae5f8 parisc: Fix locking in pdc_iodc_print() firmware call
Utilize pdc_lock spinlock to protect parallel modifications of the
iodc_dbuf[] buffer, check length to prevent buffer overflow of
iodc_dbuf[], drop the iodc_retbuf[] buffer and fix some wrong
indentings.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # 6.0+
2022-12-18 22:18:49 +01:00
David S. Miller
8952936729 Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2022-12-15 (igc)

Muhammad Husaini Zulkifli says:

This patch series fixes bugs for the Time-Sensitive Networking(TSN)
Qbv Scheduling features.

An overview of each patch series is given below:

Patch 1: Using a first flag bit to schedule a packet to the next cycle if
packet cannot fit in current Qbv cycle.
Patch 2: Enable strict cycle for Qbv scheduling.
Patch 3: Prevent user to set basetime less than zero during tc config.
Patch 4: Allow the basetime enrollment with zero value.
Patch 5: Calculate the new end time value to exclude the time interval that
exceed the cycle time as user can specify the cycle time in tc config.
Patch 6: Resolve the HW bugs where the gate is not fully closed.
---
This contains the net patches from this original pull request:
https://lore.kernel.org/netdev/20221205212414.3197525-1-anthony.l.nguyen@intel.com/

====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2022-12-18 21:00:40 +00:00
Andrew Morton
b29e6ece45 Resync master with latest Linus upstream 2022-12-17 20:39:52 -08:00
Jens Axboe
35d90f95cf io_uring: include task_work run after scheduling in wait for events
It's quite possible that we got woken up because task_work was queued,
and we need to process this task_work to generate the events waited for.
If we return to the wait loop without running task_work, we'll end up
adding the task to the waitqueue again, only to call
io_cqring_wait_schedule() again which will run the task_work. This is
less efficient than it could be, as it requires adding to the cq_wait
queue again. It also triggers the wakeup path for completions as
cq_wait is now non-empty with the task itself, and it'll require another
lock grab and deletion to remove ourselves from the waitqueue.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-12-17 20:35:54 -07:00
Paul E. McKenney
3f6c3d29df rcu: Don't assert interrupts enabled too early in boot
The rcu_poll_gp_seq_end() and rcu_poll_gp_seq_end_unlocked() both check
that interrupts are enabled, as they normally should be when waiting for
an RCU grace period.  Except that it is legal to wait for grace periods
during early boot, before interrupts have been enabled for the first time,
and polling for grace periods is required to work during this time.
This can result in false-positive lockdep splats in the presence of
boot-time-initiated tracing.

This commit therefore conditions those interrupts-enabled checks on
rcu_scheduler_active having advanced past RCU_SCHEDULER_INACTIVE, by
which time interrupts have been enabled.

Reported-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Tested-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-12-17 16:12:20 -08:00
Helge Deller
fe94cb1a61 parisc: Drop PMD_SHIFT from calculation in pgtable.h
PMD_SHIFT isn't defined if CONFIG_PGTABLE_LEVELS == 3, and as
such the kernel test robot found this warning:

 In file included from include/linux/pgtable.h:6,
                  from arch/parisc/kernel/head.S:23:
 arch/parisc/include/asm/pgtable.h:169:32: warning: "PMD_SHIFT" is not defined, evaluates to 0 [-Wundef]
     169 | #if (KERNEL_INITIAL_ORDER) >= (PMD_SHIFT)

Avoid the warning by using PLD_SHIFT and BITS_PER_PTE.

Signed-off-by: Helge Deller <deller@gmx.de>
Reported-by: kernel test robot <lkp@intel.com>
Cc: <stable@vger.kernel.org> # 6.0+
2022-12-17 23:19:39 +01:00
Helge Deller
71bdea6f79 parisc: Align parisc MADV_XXX constants with all other architectures
Adjust some MADV_XXX constants to be in sync what their values are on
all other platforms. There is currently no reason to have an own
numbering on parisc, but it requires workarounds in many userspace
sources (e.g. glibc, qemu, ...) - which are often forgotten and thus
introduce bugs and different behaviour on parisc.

A wrapper avoids an ABI breakage for existing userspace applications by
translating any old values to the new ones, so this change allows us to
move over all programs to the new ABI over time.

Signed-off-by: Helge Deller <deller@gmx.de>
2022-12-17 23:19:39 +01:00
Shang XiaoJing
41f563ab3c parisc: led: Fix potential null-ptr-deref in start_task()
start_task() calls create_singlethread_workqueue() and not checked the
ret value, which may return NULL. And a null-ptr-deref may happen:

start_task()
    create_singlethread_workqueue() # failed, led_wq is NULL
    queue_delayed_work()
        queue_delayed_work_on()
            __queue_delayed_work()  # warning here, but continue
                __queue_work()      # access wq->flags, null-ptr-deref

Check the ret value and return -ENOMEM if it is NULL.

Fixes: 3499495205 ("[PARISC] Use work queue in LED/LCD driver instead of tasklet.")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org>
2022-12-17 23:19:38 +01:00
Jens Axboe
6434ec0186 io_uring: don't use TIF_NOTIFY_SIGNAL to test for availability of task_work
Use task_work_pending() as a better test for whether we have task_work
or not, TIF_NOTIFY_SIGNAL is only valid if the any of the task_work
items had been queued with TWA_SIGNAL as the notification mechanism.
Hence task_work_pending() is a more reliable check.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-12-17 13:40:17 -07:00
Linus Torvalds
4f292c4de4 New Feature:
* Randomize the per-cpu entry areas
 Cleanups:
 * Have CR3_ADDR_MASK use PHYSICAL_PAGE_MASK instead of open
   coding it
 * Move to "native" set_memory_rox() helper
 * Clean up pmd_get_atomic() and i386-PAE
 * Remove some unused page table size macros
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Merge tag 'x86_mm_for_6.2_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 mm updates from Dave Hansen:
 "New Feature:

   - Randomize the per-cpu entry areas

  Cleanups:

   - Have CR3_ADDR_MASK use PHYSICAL_PAGE_MASK instead of open coding it

   - Move to "native" set_memory_rox() helper

   - Clean up pmd_get_atomic() and i386-PAE

   - Remove some unused page table size macros"

* tag 'x86_mm_for_6.2_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (35 commits)
  x86/mm: Ensure forced page table splitting
  x86/kasan: Populate shadow for shared chunk of the CPU entry area
  x86/kasan: Add helpers to align shadow addresses up and down
  x86/kasan: Rename local CPU_ENTRY_AREA variables to shorten names
  x86/mm: Populate KASAN shadow for entire per-CPU range of CPU entry area
  x86/mm: Recompute physical address for every page of per-CPU CEA mapping
  x86/mm: Rename __change_page_attr_set_clr(.checkalias)
  x86/mm: Inhibit _PAGE_NX changes from cpa_process_alias()
  x86/mm: Untangle __change_page_attr_set_clr(.checkalias)
  x86/mm: Add a few comments
  x86/mm: Fix CR3_ADDR_MASK
  x86/mm: Remove P*D_PAGE_MASK and P*D_PAGE_SIZE macros
  mm: Convert __HAVE_ARCH_P..P_GET to the new style
  mm: Remove pointless barrier() after pmdp_get_lockless()
  x86/mm/pae: Get rid of set_64bit()
  x86_64: Remove pointless set_64bit() usage
  x86/mm/pae: Be consistent with pXXp_get_and_clear()
  x86/mm/pae: Use WRITE_ONCE()
  x86/mm/pae: Don't (ab)use atomic64
  mm/gup: Fix the lockless PMD access
  ...
2022-12-17 14:06:53 -06:00
Linus Torvalds
03d84bd6d4 MSI fixes for 6.2:
- Return MSI_XA_DOMAIN_SIZE as the maximum MSI index when the architecture
   does not make use of irq domains instead of returning 0, which is pretty
   limiting.
 
 - Check for the presence of an irq domain when validating the MSI iterator,
   as s390/powerpc won't have one.
 
 - Fix powerpc's MSI backends which fail to clear the descriptor's IRQ field
   on teardown, leading to a splat and leaked descriptors.
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Merge tag 'msi-fixes-6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms

Pull MSI fixes from Marc Zyngier:
 "Thomas tasked me with sending out a few urgent fixes after the giant
  MSI rework that landed in 6.2, as both s390 and powerpc ended-up
  suffering from it (they do not use the full core code infrastructure,
  leading to these previously undetected issues):

   - Return MSI_XA_DOMAIN_SIZE as the maximum MSI index when the
     architecture does not make use of irq domains instead of returning
     0, which is pretty limiting.

   - Check for the presence of an irq domain when validating the MSI
     iterator, as s390/powerpc won't have one.

   - Fix powerpc's MSI backends which fail to clear the descriptor's IRQ
     field on teardown, leading to a splat and leaked descriptors"

* tag 'msi-fixes-6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms:
  powerpc/msi: Fix deassociation of MSI descriptors
  genirq/msi: Return MSI_XA_DOMAIN_SIZE as the maximum MSI index when no domain is present
  genirq/msi: Check for the presence of an irq domain when validating msi_ctrl
2022-12-17 13:58:09 -06:00
Linus Torvalds
f9ff5644bc HSI changes for the 6.2 series
* misc. small fixes
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Merge tag 'hsi-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi

Pull HSI updates from Sebastian Reichel:

 - misc small fixes

* tag 'hsi-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
  HSI: omap_ssi_core: Fix error handling in ssi_init()
  headers: Remove some left-over license text in include/uapi/linux/hsi/
  HSI: omap_ssi_core: fix possible memory leak in ssi_probe()
  HSI: omap_ssi_core: fix unbalanced pm_runtime_disable()
  HSI: ssi_protocol: Fix return type of ssip_pn_xmit()
2022-12-17 08:55:19 -06:00
Linus Torvalds
b220f31147 power supply and reset changes for the v6.2 series
- bq25890: add charge voltage/current support
 - bd99954: convert to linear range
 - convert all i2c drivers to use probe_new
 - misc. fixes and cleanups
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Merge tag 'for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply and reset updates from Sebastian Reichel:

 - bq25890: add charge voltage/current support

 - bd99954: convert to linear range

 - convert all i2c drivers to use probe_new

 - misc fixes and cleanups

* tag 'for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (51 commits)
  power: supply: fix null pointer dereferencing in power_supply_get_battery_info
  power: supply: bq25890: Fix usb-notifier probe and remove races
  power: supply: bq25890: Ensure pump_express_work is cancelled on remove
  power: supply: Fix refcount leak in rk817_charger_probe
  power: supply: bq25890: Only use pdata->regulator_init_data for vbus
  power: supply: ab8500: Fix error handling in ab8500_charger_init()
  power: supply: cw2015: Fix potential null-ptr-deref in cw_bat_probe()
  power: supply: z2_battery: Fix possible memleak in z2_batt_probe()
  power: supply: z2_battery: Convert to i2c's .probe_new()
  power: supply: ucs1002: Convert to i2c's .probe_new()
  power: supply: smb347: Convert to i2c's .probe_new()
  power: supply: sbs-manager: Convert to i2c's .probe_new()
  power: supply: sbs: Convert to i2c's .probe_new()
  power: supply: rt9455: Convert to i2c's .probe_new()
  power: supply: rt5033_battery: Convert to i2c's .probe_new()
  power: supply: max17042_battery: Convert to i2c's .probe_new()
  power: supply: max17040: Convert to i2c's .probe_new()
  power: supply: max14656: Convert to i2c's .probe_new()
  power: supply: ltc4162-l: Convert to i2c's .probe_new()
  power: supply: ltc2941: Convert to i2c's .probe_new()
  ...
2022-12-17 08:39:31 -06:00
Linus Torvalds
b611996ef2 linux-watchdog 6.2-rc1 tag
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Merge tag 'linux-watchdog-6.2-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - Add Advantech EC watchdog driver

 - Add support for MT6795 Helio X10 watchdog and toprgu

 - Add support for MT8188 watchdog device

 - Remove #ifdef guards for PM related functions

 - Other fixes and improvements

* tag 'linux-watchdog-6.2-rc1' of git://www.linux-watchdog.org/linux-watchdog:
  watchdog: aspeed: Enable pre-timeout interrupt
  watchdog: iTCO_wdt: Set NO_REBOOT if the watchdog is not already running
  watchdog: rn5t618: add support for read out bootstatus
  watchdog: kempld: Remove #ifdef guards for PM related functions
  watchdog: omap: Remove #ifdef guards for PM related functions
  watchdog: twl4030: Remove #ifdef guards for PM related functions
  watchdog: at91rm9200: Remove #ifdef guards for PM related functions
  watchdog: Add Advantech EC watchdog driver
  dt-bindings: watchdog: mediatek,mtk-wdt: Add compatible for MT8173
  dt-bindings: watchdog: mediatek,mtk-wdt: Add compatible for MT6795
  dt-bindings: watchdog: mediatek: Convert mtk-wdt to json-schema
  watchdog: mediatek: mt8188: add wdt support
  dt-bindings: reset: mt8188: add toprgu reset-controller header file
  dt-bindings: watchdog: Add compatible for MediaTek MT8188
  watchdog: mtk_wdt: Add support for MT6795 Helio X10 watchdog and toprgu
2022-12-17 08:34:01 -06:00
Linus Torvalds
75caf59408 Lee Jones offered his help with maintaining LEDs, thanks a
lot. Plus, there are some bugfixes as a bonus.
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Merge tag 'leds-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:
 "Lee Jones offered his help with maintaining LEDs, thanks a lot.

  Plus, there are some bugfixes as a bonus"

* tag 'leds-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
  leds: MAINTAINERS: include dt-bindings headers
  leds: qcom,pm8058-led: Convert to DT schema
  leds: use sysfs_emit() to instead of scnprintf()
  leds: is31fl319x: Fix setting current limit for is31fl319{0,1,3}
  MAINTAINERS: Add additional co-maintainer to LEDs
  leds: lp5523: fix out-of-bounds bug in lp5523_selftest()
  dt-bindings: leds: Add 'cpuX' to 'linux,default-trigger'
  led: qcom-lpg: Fix sleeping in atomic
  leds: max8997: Don't error if there is no pdata
  leds: lp55xx: remove variable j
  leds-pca955x: Remove the unused function pca95xx_num_led_regs()
2022-12-17 08:28:25 -06:00
Linus Torvalds
ed56954cf5 v6.2 merge window 2nd pull request
Fix two build warnings on 32 bit platforms
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "Fix two build warnings on 32 bit platforms

  It seems the linux-next CI and 0-day bot are not testing enough 32 bit
  configurations, as soon as you merged the rdma pull request there were
  two instant reports of warnings on these sytems that I would have
  thought should have been covered by time in linux-next

  Anyhow, here are the fixes so people don't hit problems with -Werror"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/siw: Fix pointer cast warning
  RDMA/rxe: Fix compile warnings on 32-bit
2022-12-17 08:23:42 -06:00
Linus Torvalds
6830d50325 gfs2 fixes
- Revert a change to delete_work_func() that has gone wrong in commit
   c412a97cf6 ("gfs2: Use TRY lock in gfs2_inode_lookup for UNLINKED
   inodes").
 
 - Avoid dequeuing GL_ASYNC glock holders twice by first checking if the
   holder is still queued.
 
 - gfs2: Always check the inode size of inline inodes when reading in
   inodes to prevent corrupt filesystem images from causing weid errors.
 
 - Properly handle a race between gfs2_create_inode() and
   gfs2_inode_lookup() that causes insert_inode_locked4() to return
   -EBUSY.
 
 - Fix and clean up the interaction between gfs2_create_inode() and
   gfs2_evict_inode() by completely handling the inode deallocation and
  destruction in gfs2_evict_inode().
 
 - Remove support for glock holder auto-demotion as we have no current
   plans of using this feature again.
 
 - And a few more minor cleanups and clarifications.
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Merge tag 'gfs2-v6.1-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2

Pull gfs2 updtaes from Andreas Gruenbacher:

 - Revert a change to delete_work_func() that has gone wrong in commit
   c412a97cf6 ("gfs2: Use TRY lock in gfs2_inode_lookup for UNLINKED
   inodes").

 - Avoid dequeuing GL_ASYNC glock holders twice by first checking if the
   holder is still queued.

 - gfs2: Always check the inode size of inline inodes when reading in
   inodes to prevent corrupt filesystem images from causing weid errors.

 - Properly handle a race between gfs2_create_inode() and
   gfs2_inode_lookup() that causes insert_inode_locked4() to return
   -EBUSY.

 - Fix and clean up the interaction between gfs2_create_inode() and
   gfs2_evict_inode() by completely handling the inode deallocation and
   destruction in gfs2_evict_inode().

 - Remove support for glock holder auto-demotion as we have no current
   plans of using this feature again.

 - And a few more minor cleanups and clarifications.

* tag 'gfs2-v6.1-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
  gfs2: Remove support for glock holder auto-demotion (2)
  gfs2: Remove support for glock holder auto-demotion
  gfs2: Minor gfs2_try_evict cleanup
  gfs2: Partially revert gfs2_inode_lookup change
  gfs2: Add gfs2_inode_lookup comment
  gfs2: Uninline and improve glock_{set,clear}_object
  gfs2: Simply dequeue iopen glock in gfs2_evict_inode
  gfs2: Clean up after gfs2_create_inode rework
  gfs2: Avoid dequeuing GL_ASYNC glock holders twice
  gfs2: Make gfs2_glock_hold return its glock argument
  gfs2: Always check inode size of inline inodes
  gfs2: Cosmetic gfs2_dinode_{in,out} cleanup
  gfs2: Handle -EBUSY result of insert_inode_locked4
  gfs2: Fix and clean up create / evict interaction
  gfs2: Clean up initialization of "ip" in gfs2_create_inode
  gfs2: Get rid of ghs[] in gfs2_create_inode
  gfs2: Add extra error check in alloc_dinode
2022-12-17 08:18:04 -06:00
Veronika Kabatova
731c4eac84 buildtar: fix tarballs with EFI_ZBOOT enabled
When CONFIG_EFI_ZBOOT is enabled, the binary name is not Image.gz
anymore but vmlinuz.efi. No vmlinuz gets put into the tarball as the
buildtar script doesn't recognize this name. Remedy this by adding the
binary name to the list of acceptable files to package.

Reported-by: CKI Project <cki-project@redhat.com>
Signed-off-by: Veronika Kabatova <vkabatov@redhat.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2022-12-17 21:55:04 +09:00
Helge Deller
1bc5434632 parisc: Fix inconsistent indenting in setup_cmdline()
Fix warning reported by 0-DAY CI Kernel Test Service:
arch/parisc/kernel/setup.c:64 setup_cmdline() warn: inconsistent indenting

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Helge Deller <deller@gmx.de>
2022-12-17 13:25:34 +01:00
Marc Zyngier
4545c6a3d6 powerpc/msi: Fix deassociation of MSI descriptors
Since 2f2940d168 ("genirq/msi: Remove filter from
msi_free_descs_free_range()"), the core MSI code relies on the
msi_desc->irq field to have been cleared before the descriptor
can be freed, as it indicates that there is no association with
a device anymore.

The irq domain code provides this guarantee, and so does s390,
which is one of the two architectures not using irq domains for
MSIs.

Powerpc, however, is missing this particular requirements,
leading in a splat and leaked MSI descriptors.

Adding the now required irq reset to the handful of powerpc backends
that implement MSIs fixes that particular problem.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/70dab88e-6119-0c12-7c6a-61bcbe239f66@roeck-us.net
2022-12-17 10:58:48 +00:00
Subash Abhinov Kasiviswanathan
2d7afdcbc9 skbuff: Account for tail adjustment during pull operations
Extending the tail can have some unexpected side effects if a program uses
a helper like BPF_FUNC_skb_pull_data to read partial content beyond the
head skb headlen when all the skbs in the gso frag_list are linear with no
head_frag -

  kernel BUG at net/core/skbuff.c:4219!
  pc : skb_segment+0xcf4/0xd2c
  lr : skb_segment+0x63c/0xd2c
  Call trace:
   skb_segment+0xcf4/0xd2c
   __udp_gso_segment+0xa4/0x544
   udp4_ufo_fragment+0x184/0x1c0
   inet_gso_segment+0x16c/0x3a4
   skb_mac_gso_segment+0xd4/0x1b0
   __skb_gso_segment+0xcc/0x12c
   udp_rcv_segment+0x54/0x16c
   udp_queue_rcv_skb+0x78/0x144
   udp_unicast_rcv_skb+0x8c/0xa4
   __udp4_lib_rcv+0x490/0x68c
   udp_rcv+0x20/0x30
   ip_protocol_deliver_rcu+0x1b0/0x33c
   ip_local_deliver+0xd8/0x1f0
   ip_rcv+0x98/0x1a4
   deliver_ptype_list_skb+0x98/0x1ec
   __netif_receive_skb_core+0x978/0xc60

Fix this by marking these skbs as GSO_DODGY so segmentation can handle
the tail updates accordingly.

Fixes: 3dcbdb134f ("net: gso: Fix skb_segment splat when splitting gso_size mangled skb having linear-headed frag_list")
Signed-off-by: Sean Tranchetti <quic_stranche@quicinc.com>
Signed-off-by: Subash Abhinov Kasiviswanathan <quic_subashab@quicinc.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://lore.kernel.org/r/1671084718-24796-1-git-send-email-quic_subashab@quicinc.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-16 21:18:58 -08:00
Jakub Kicinski
214964a13a devlink: protect devlink dump by the instance lock
Take the instance lock around devlink_nl_fill() when dumping,
doit takes it already.

We are only dumping basic info so in the worst case we were risking
data races around the reload statistics. Until the big devlink mutex
was removed all relevant code was protected by it, so the missing
instance lock was not exposed.

Fixes: d3efc2a6a6 ("net: devlink: remove devlink_mutex")
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20221216044122.1863550-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-16 21:16:28 -08:00
Arnd Bergmann
078838f5b9 net: ethernet: ti: am65-cpsw: fix CONFIG_PM #ifdef
The #ifdef check is incorrect and leads to a warning:

drivers/net/ethernet/ti/am65-cpsw-nuss.c:1679:13: error: 'am65_cpsw_nuss_remove_rx_chns' defined but not used [-Werror=unused-function]
 1679 | static void am65_cpsw_nuss_remove_rx_chns(void *data)

It's better to remove the #ifdef here and use the modern
SYSTEM_SLEEP_PM_OPS() macro instead.

Fixes: 24bc19b05f ("net: ethernet: ti: am65-cpsw: Add suspend/resume support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Link: https://lore.kernel.org/r/20221215163918.611609-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-16 21:13:52 -08:00
Kees Cook
7535b832c6 exit: Use READ_ONCE() for all oops/warn limit reads
Use a temporary variable to take full advantage of READ_ONCE() behavior.
Without this, the report (and even the test) might be out of sync with
the initial test.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/lkml/Y5x7GXeluFmZ8E0E@hirez.programming.kicks-ass.net
Fixes: 9fc9e278a5 ("panic: Introduce warn_limit")
Fixes: d4ccd54d28 ("exit: Put an upper limit on how often we can oops")
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Jann Horn <jannh@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Marco Elver <elver@google.com>
Cc: tangmeng <tangmeng@uniontech.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Kees Cook <keescook@chromium.org>
2022-12-16 12:26:57 -08:00
Arnd Bergmann
5244ca8867 RDMA/siw: Fix pointer cast warning
The previous build fix left a remaining issue in configurations with
64-bit dma_addr_t on 32-bit architectures:

drivers/infiniband/sw/siw/siw_qp_tx.c: In function 'siw_get_pblpage':
drivers/infiniband/sw/siw/siw_qp_tx.c:32:37: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
   32 |                 return virt_to_page((void *)paddr);
      |                                     ^

Use the same double cast here that the driver uses elsewhere to convert
between dma_addr_t and void*.

Fixes: 0d1b756acf ("RDMA/siw: Pass a pointer to virt_to_page()")
Link: https://lore.kernel.org/r/20221215170347.2612403-1-arnd@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Bernard Metzler <bmt@zurich.ibm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-12-16 16:07:38 -04:00
Linus Torvalds
77856d911a arm64 fixes for -rc1
- Fix Kconfig dependencies to re-allow the enabling of function graph
   tracer and shadow call stacks at the same time.
 
 - Revert the workaround for CPU erratum #2645198 since the CONFIG_
   guards were incorrect and the code has therefore not seen any real
   exposure in -next.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:

 - Fix Kconfig dependencies to re-allow the enabling of function graph
   tracer and shadow call stacks at the same time.

 - Revert the workaround for CPU erratum #2645198 since the CONFIG_
   guards were incorrect and the code has therefore not seen any real
   exposure in -next.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  Revert "arm64: errata: Workaround possible Cortex-A715 [ESR|FAR]_ELx corruption"
  ftrace: Allow WITH_ARGS flavour of graph tracer with shadow call stack
2022-12-16 13:46:41 -06:00
Linus Torvalds
aa4800e31c perf tools changes for v6.2: 1st batch
Libraries:
 
 - Drop the old copy of libtraceevent in tools/lib/traceevent/ now that all major distros
   ship it from its external repository.
 
   This is now just another feature detection, emitting a warning when the
   libtraceevent-dev[el] package isn't installed, disabling the build of perf features
   and tools that strictly require parsing things from tracefs while keeping
   the core functionality present and working with a subset of the events, the
   most used ones like CPU cycles, hardware cache and also vendor events, etc.
 
   This was tested with lots of containers for Fedora, Debian, OpenSUSE, Alpine Linux,
   Ubuntu, with cross builds, etc.
 
 Build:
 
 - Update to C standard to gnu11, like was done for the kernel.
 
 - Install the tools/lib/ libraries locally instead of having headers searched
   directly from the source code directories, to help the cases where we can
   build either from in-kernel source libraries or from the same library shipped
   as a distro package, as is the case with libbpf and was the case with
   libtraceevent.
 
 perf stat:
 
 - Do not delay the workload with --delay, the delay is just for starting to count
   the events, to skip noise at workload startup.
 
 - When we have events for each cgroup, the metric should be printed for each
   cgroup separately.
 
   $ perf stat -a --for-each-cgroup system.slice,user.slice --metric-only sleep 1
 
    Performance counter stats for 'system wide':
 
                    GHz  insn per cycle  branch-misses of all branches
    system.slice  3.792      0.61                  3.24%
    user.slice    3.661      2.32                  0.37%
 
 - Fix printing field separator in CSV metrics output.
 
 - Fix --metric-only --json output.
 
 - Fix summary output in CSV with --metric-only.
 
 - Update event group check for support of uncore event.
 
 perf test:
 
 - Stop requiring a C toolchain in shell tests, instead add a workload option that has
   all the previously C snippets built as part of 'perf test -w' that then get used in
   the 'perf test' shell scripts.
 
 - Add event group test for events in multiple PMUs
 
 - The "kernel lock contention analysis" test should not print warnings in quiet mode.
 
 - Add attr tests for ARM64's new VG register.
 
 - Fix record test on KVM guests, as using precise flag with the
   br_inst_retired.near_call event causes the test fail on KVM guests, even when
   the guests have PMU forwarding enabled and the event itself is supported, so just
   remove the precise flag from the event.
 
 - Add mechanism for skipping attr tests on specific kernel versions where it is known that
   these checks will fail.
 
 - Skip watchpoint tests if no watchpoints available.
 
 - Add more Intel PT 'perf test' entries: hybrid CPUs, split the packet decoder
   into a suite of subtests.
 
 perf script:
 
 - Introduce task analyzer python script, where one first records some events:
 
 Recording can be done in two ways:
 
   $ perf script record tasks-analyzer -- sleep 10
   $ perf record -e sched:sched_switch -a -- sleep 10
 
 The script can parse any perf.data files, as long as it has sched:sched_switch events,
 other events will be ignored.
 
 The most simple report use case is to just call the script without arguments.
 
 Runtime is the time the task was running on the CPU, Time Out-In is the time
 between the process being scheduled *out* and scheduled back *in*. So the last
 time span between two executions:
 
   $ perf script report tasks-analyzer
       Switched-In     Switched-Out CPU    PID    TID             Comm  Runtime  Time Out-In
   15576.658891407  15576.659156086   4   2412   2428            gdbus      265         1949
   15576.659111320  15576.659455410   0   2412   2412      gnome-shell      344         2267
   15576.659491326  15576.659506173   2     74     74      kworker/2:1       15        13145
   15576.659506173  15576.659825748   2   2858   2858  gnome-terminal-      320        63263
   15576.659871270  15576.659902872   6  20932  20932    kworker/u16:0       32      2314582
   15576.659909951  15576.659945501   3  27264  27264               sh       36           -1
   15576.659853285  15576.659971052   7  27265  27265             perf      118      5050741
   [...]
 
 perf lock:
 
 - Allow concurrent record and report to support live monitoring of kernel lock
   contention without BPF:
 
   # perf lock record -a -o- sleep 1 | perf lock contention -i-
    contended   total wait     max wait     avg wait         type   caller
 
            2     10.27 us      6.17 us      5.13 us     spinlock   load_balance+0xc03
            1      5.29 us      5.29 us      5.29 us     rwlock:W   ep_scan_ready_list+0x54
            1      4.12 us      4.12 us      4.12 us     spinlock   smpboot_thread_fn+0x116
            1      3.28 us      3.28 us      3.28 us        mutex   pipe_read+0x50
 
 - Implement -t/--threads option when using BPF:
 
   $ sudo ./perf lock contention -abt -E 5 sleep 1
    contended  total wait   max wait   avg wait      pid  comm
 
            1   740.66 ms  740.66 ms  740.66 ms     1950  nv_queue
            3   305.50 ms  298.19 ms  101.83 ms     1884  nvidia-modeset/
            1    25.14 us   25.14 us   25.14 us  2725038  EventManager_De
           12    23.09 us    9.30 us    1.92 us        0  swapper
            1    20.18 us   20.18 us   20.18 us  2725033  EventManager_De
 
 - Add -l/--lock-addr to aggregate per-lock-instance contention:
 
   $ sudo ./perf lock contention -abl sleep 1
    contended  total wait  max wait  avg wait           address  symbol
 
            1    36.28 us  36.28 us  36.28 us  ffff92615d6448b8
            9    10.91 us   1.84 us   1.21 us  ffffffffbaed50c0  rcu_state
            1    10.49 us  10.49 us  10.49 us  ffff9262ac4f0c80
            8     4.68 us   1.67 us    585 ns  ffffffffbae07a40  jiffies_lock
            3     3.03 us   1.45 us   1.01 us  ffff9262277861e0
            1      924 ns    924 ns    924 ns  ffff926095ba9d20
            1      436 ns    436 ns    436 ns  ffff9260bfda4f60
 
 perf record:
 
 - Add remaining branch filters: "no_cycles", "no_flags" & "hw_index", to be
   used with hardware such as Intel's LBR that allows things like stitching
   stacks of two samples to overcome the limits of the number of LBR registers.
 
 Symbol resolution:
 
 - Handle .debug files created with 'objcopy --only-keep-debug', where program
   headers are zeroed and thus can't be used for adjustments, use the info in
   the runtime_ss (runtime ELF) instead.
 
 perf trace:
 
 - Add BPF based augmenter for the 'perf_event_open's 'struct perf_event_attr' argument.
 
 - Add BPF based augmenter for the 'clock_gettime's 'struct timespec' argument.
 
 - In both cases the syscall tracepoint has just the pointer value, we
   need to hook a BPF program to collect the pointer contents, and then,
   in userspace, pretty print it in 'perf trace'.
 
 perf list:
 
 - Introduce JSON output of events.
 
 - Streamline how the expression specifying what events should be shown is handled,
   fixing several corner cases, such as the metric filter that is specified as a glob
   but was using strstr().
 
 perf probe:
 
 - Fix to avoid crashing if DW_AT_decl_file is NULL, coping with clang generating
   DWARF5 like that.
 
 - Use dwarf_attr_integrate() as generic DWARF attr accessor as it supersedes dwarf_attr(),
   supporting abstact origin DIEs.
 
 perf inject:
 
 - Set PERF_RECORD_MISC_BUILD_ID_SIZE in the PERF_RECORD_HEADER_BUILD_ID so that
   perf.data readers can get the real build-id size and avoid trailing zeros.
 
 perf data:
 
 - Add tracepoint fields when converting a perf.data file to JSON.
 
 arm64:
 
 - Fix mksyscalltbl, don't lose syscalls due to sort -nu.
 
 - Add Arm Neoverse V2 PMU events.
 
 riscv:
 
 - Add riscv sbi firmware std event files.
 
 - Add Sifive U74 vendor events (JSON) file.
 
 - Add some more events and metrics for Alderlake/Alderlake-N.
 
 Documentation:
 
 - Add data documentation for the PMU structs in the C source code.
 
 Miscellaneous:
 
 - Periodic sanitization of headers, adding missing includes, removing needless ones,
   creating new ones, etc.
 
 - Use sig_atomic_t for signal handlers to avoid undefined behaviour in all perf
   tools.
 
 - Fixes for libbpf 1.0+ compatibility (maps, etc) on 'perf trace' BPF examples.
 
 - Remove some old perf bpf examples, leave the best ones that demonstrate how
   to associate BPF functions to points in the kernel.
 
 - Make quiet mode consistent between tools.
 
 - Use dedicated non-atomic clear/set bit helpers.
 
 - Use "grep -E" instead of "egrep" as recommended by warning emitted by GNU
   grep since at least version 3.8.
 
 - Complete list of supported subcommands in the 'perf daemon' help message.
 
 - Update John Garry's email address for arm64 perf tooling on the MAINTAINERS file,
   he moved from Huawei to Oracle.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-for-v6.2-1-2022-12-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools updates from Arnaldo Carvalho de Melo:
 "Libraries:

   - Drop the old copy of libtraceevent in tools/lib/traceevent/ now
     that all major distros ship it from its external repository.

     This is now just another feature detection, emitting a warning when
     the libtraceevent-dev[el] package isn't installed, disabling the
     build of perf features and tools that strictly require parsing
     things from tracefs while keeping the core functionality present
     and working with a subset of the events, the most used ones like
     CPU cycles, hardware cache and also vendor events, etc.

     This was tested with lots of containers for Fedora, Debian,
     OpenSUSE, Alpine Linux, Ubuntu, with cross builds, etc.

  Build:

   - Update to C standard to gnu11, like was done for the kernel.

   - Install the tools/lib/ libraries locally instead of having headers
     searched directly from the source code directories, to help the
     cases where we can build either from in-kernel source libraries or
     from the same library shipped as a distro package, as is the case
     with libbpf and was the case with libtraceevent.

  perf stat:

   - Do not delay the workload with --delay, the delay is just for
     starting to count the events, to skip noise at workload startup.

   - When we have events for each cgroup, the metric should be printed
     for each cgroup separately.

        $ perf stat -a --for-each-cgroup system.slice,user.slice --metric-only sleep 1

        Performance counter stats for 'system wide':

                        GHz  insn per cycle  branch-misses of all branches
        system.slice  3.792      0.61                  3.24%
        user.slice    3.661      2.32                  0.37%

   - Fix printing field separator in CSV metrics output.

   - Fix --metric-only --json output.

   - Fix summary output in CSV with --metric-only.

   - Update event group check for support of uncore event.

  perf test:

   - Stop requiring a C toolchain in shell tests, instead add a workload
     option that has all the previously C snippets built as part of
     'perf test -w' that then get used in the 'perf test' shell scripts.

   - Add event group test for events in multiple PMUs

   - The "kernel lock contention analysis" test should not print
     warnings in quiet mode.

   - Add attr tests for ARM64's new VG register.

   - Fix record test on KVM guests, as using precise flag with the
     br_inst_retired.near_call event causes the test fail on KVM guests,
     even when the guests have PMU forwarding enabled and the event
     itself is supported, so just remove the precise flag from the
     event.

   - Add mechanism for skipping attr tests on specific kernel versions
     where it is known that these checks will fail.

   - Skip watchpoint tests if no watchpoints available.

   - Add more Intel PT 'perf test' entries: hybrid CPUs, split the
     packet decoder into a suite of subtests.

  perf script:

   - Introduce task analyzer python script, where one first records some events:

     Recording can be done in two ways:

        $ perf script record tasks-analyzer -- sleep 10
        $ perf record -e sched:sched_switch -a -- sleep 10

     The script can parse any perf.data files, as long as it has
     sched:sched_switch events, other events will be ignored.

     The most simple report use case is to just call the script without
     arguments.

     Runtime is the time the task was running on the CPU, Time Out-In is
     the time between the process being scheduled *out* and scheduled
     back *in*. So the last time span between two executions:

        $ perf script report tasks-analyzer
            Switched-In     Switched-Out CPU    PID    TID             Comm  Runtime  Time Out-In
        15576.658891407  15576.659156086   4   2412   2428            gdbus      265         1949
        15576.659111320  15576.659455410   0   2412   2412      gnome-shell      344         2267
        15576.659491326  15576.659506173   2     74     74      kworker/2:1       15        13145
        15576.659506173  15576.659825748   2   2858   2858  gnome-terminal-      320        63263
        15576.659871270  15576.659902872   6  20932  20932    kworker/u16:0       32      2314582
        15576.659909951  15576.659945501   3  27264  27264               sh       36           -1
        15576.659853285  15576.659971052   7  27265  27265             perf      118      5050741
        [...]

  perf lock:

   - Allow concurrent record and report to support live monitoring of
     kernel lock contention without BPF:

        # perf lock record -a -o- sleep 1 | perf lock contention -i-
         contended   total wait     max wait     avg wait         type   caller

                 2     10.27 us      6.17 us      5.13 us     spinlock   load_balance+0xc03
                 1      5.29 us      5.29 us      5.29 us     rwlock:W   ep_scan_ready_list+0x54
                 1      4.12 us      4.12 us      4.12 us     spinlock   smpboot_thread_fn+0x116
                 1      3.28 us      3.28 us      3.28 us        mutex   pipe_read+0x50

   - Implement -t/--threads option when using BPF:

        $ sudo ./perf lock contention -abt -E 5 sleep 1
         contended  total wait   max wait   avg wait      pid  comm

                 1   740.66 ms  740.66 ms  740.66 ms     1950  nv_queue
                 3   305.50 ms  298.19 ms  101.83 ms     1884  nvidia-modeset/
                 1    25.14 us   25.14 us   25.14 us  2725038  EventManager_De
                12    23.09 us    9.30 us    1.92 us        0  swapper
                 1    20.18 us   20.18 us   20.18 us  2725033  EventManager_De

   - Add -l/--lock-addr to aggregate per-lock-instance contention:

        $ sudo ./perf lock contention -abl sleep 1
         contended  total wait  max wait  avg wait           address  symbol

                 1    36.28 us  36.28 us  36.28 us  ffff92615d6448b8
                 9    10.91 us   1.84 us   1.21 us  ffffffffbaed50c0  rcu_state
                 1    10.49 us  10.49 us  10.49 us  ffff9262ac4f0c80
                 8     4.68 us   1.67 us    585 ns  ffffffffbae07a40  jiffies_lock
                 3     3.03 us   1.45 us   1.01 us  ffff9262277861e0
                 1      924 ns    924 ns    924 ns  ffff926095ba9d20
                 1      436 ns    436 ns    436 ns  ffff9260bfda4f60

  perf record:

   - Add remaining branch filters: "no_cycles", "no_flags" & "hw_index",
     to be used with hardware such as Intel's LBR that allows things
     like stitching stacks of two samples to overcome the limits of the
     number of LBR registers.

  Symbol resolution:

   - Handle .debug files created with 'objcopy --only-keep-debug', where
     program headers are zeroed and thus can't be used for adjustments,
     use the info in the runtime_ss (runtime ELF) instead.

  perf trace:

   - Add BPF based augmenter for the 'perf_event_open's 'struct
     perf_event_attr' argument.

   - Add BPF based augmenter for the 'clock_gettime's 'struct timespec'
     argument.

   - In both cases the syscall tracepoint has just the pointer value, we
     need to hook a BPF program to collect the pointer contents, and
     then, in userspace, pretty print it in 'perf trace'.

  perf list:

   - Introduce JSON output of events.

   - Streamline how the expression specifying what events should be
     shown is handled, fixing several corner cases, such as the metric
     filter that is specified as a glob but was using strstr().

  perf probe:

   - Fix to avoid crashing if DW_AT_decl_file is NULL, coping with clang
     generating DWARF5 like that.

   - Use dwarf_attr_integrate() as generic DWARF attr accessor as it
     supersedes dwarf_attr(), supporting abstact origin DIEs.

  perf inject:

   - Set PERF_RECORD_MISC_BUILD_ID_SIZE in the PERF_RECORD_HEADER_BUILD_ID
     so that perf.data readers can get the real build-id size and avoid
     trailing zeroes.

  perf data:

   - Add tracepoint fields when converting a perf.data file to JSON.

  arm64:

   - Fix mksyscalltbl, don't lose syscalls due to sort -nu.

   - Add Arm Neoverse V2 PMU events.

  riscv:

   - Add riscv sbi firmware std event files.

   - Add Sifive U74 vendor events (JSON) file.

   - Add some more events and metrics for Alderlake/Alderlake-N.

  Documentation:

   - Add data documentation for the PMU structs in the C source code.

  Miscellaneous:

   - Periodic sanitization of headers, adding missing includes, removing
     needless ones, creating new ones, etc.

   - Use sig_atomic_t for signal handlers to avoid undefined behaviour
     in all perf tools.

   - Fixes for libbpf 1.0+ compatibility (maps, etc) on 'perf trace' BPF
     examples.

   - Remove some old perf bpf examples, leave the best ones that
     demonstrate how to associate BPF functions to points in the kernel.

   - Make quiet mode consistent between tools.

   - Use dedicated non-atomic clear/set bit helpers.

   - Use "grep -E" instead of "egrep" as recommended by warning emitted
     by GNU grep since at least version 3.8.

   - Complete list of supported subcommands in the 'perf daemon' help
     message.

   - Update John Garry's email address for arm64 perf tooling on the
     MAINTAINERS file, he moved from Huawei to Oracle"

* tag 'perf-tools-for-v6.2-1-2022-12-16' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (239 commits)
  libperf: Fix install_pkgconfig target
  perf tools: Use "grep -E" instead of "egrep"
  perf stat: Do not delay the workload with --delay
  perf evlist: Remove group option.
  perf build: Fix python/perf.so library's name
  perf test arm64: Add attr tests for new VG register
  perf test: Add mechanism for skipping attr tests on kernel versions
  perf test: Add mechanism for skipping attr tests on auxiliary vector values
  perf test: Add ability to test exit code for attr tests
  perf test: add new task-analyzer tests
  perf script: task-analyzer add csv support
  perf script: Introduce task analyzer python script
  perf cs-etm: Print auxtrace info even if OpenCSD isn't linked
  perf cs-etm: Cleanup cs_etm__process_auxtrace_info()
  perf cs-etm: Tidy up auxtrace info header printing
  perf cs-etm: Remove unused stub methods
  perf cs-etm: Print unknown header version as an error
  perf test: Update perf lock contention test
  perf lock contention: Add -l/--lock-addr option
  perf lock contention: Implement -t/--threads option for BPF
  ...
2022-12-16 13:21:20 -06:00
Paulo Alcantara
86fe0fa874 cifs: set correct ipc status after initial tree connect
cifs_tcon::status wasn't correctly updated to TID_GOOD after
establishing initial IPC connection thus staying at TID_NEW as long as
it wasn't reconnected.

Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
2022-12-16 13:18:25 -06:00
Linus Torvalds
dcde56bb37 Fix mismerge due to devnode now taking a 'const *' device
This was a mismerge of a semantic conflict in my merge of the driver
core updates, where commit ff62b8e658 ("driver core: make struct
class.devnode() take a const *") changed the devnode function pointer
type.  In the meantime, the drm tree I merged earlier had introduced a
new use of that in commit 8bf4889762 ("drivers/accel: define kconfig
and register a new major").

And of course this happens when I'm traveling with my laptop, and thus
didn't do a full allmodconfig build between every pull and before
pushing my work out.

So I only noticed later as I was doing my full build.

Brown-paper-bag-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes: 71a7507afb Merge tag 'driver-core-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-12-16 13:04:15 -06:00
Krzysztof Kozlowski
3367934dd3 dt-bindings: drop redundant part of title (manual)
The Devicetree bindings document does not have to say in the title that
it is a "Devicetree binding" or a "schema", but instead just describe
the hardware.

Manual updates to various binding titles, including capitalizing them.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # MMC
Acked-by: Stephen Boyd <sboyd@kernel.org> # clk
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> # input
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org> # opp
Link: https://lore.kernel.org/r/20221216163815.522628-10-krzysztof.kozlowski@linaro.org
[robh: add trivial-devices.yaml and net/can/microchip,mcp251xfd.yaml]
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-16 12:51:43 -06:00
Jakub Kicinski
13e3c7793e bpf-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2022-12-16

We've added 7 non-merge commits during the last 2 day(s) which contain
a total of 9 files changed, 119 insertions(+), 36 deletions(-).

1) Fix for recent syzkaller XDP dispatcher update splat, from Jiri Olsa.

2) Fix BPF program refcount leak in LSM attachment failure path,
   from Milan Landaverde.

3) Fix BPF program type in map compatibility check for fext,
   from Toke Høiland-Jørgensen.

4) Fix a BPF selftest compilation error under !CONFIG_SMP config,
   from Yonghong Song.

5) Fix CI to enable CONFIG_FUNCTION_ERROR_INJECTION after it got changed
   to a prompt, from Song Liu.

6) Various BPF documentation fixes for socket local storage,
   from Donald Hunter.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  selftests/bpf: Add a test for using a cpumap from an freplace-to-XDP program
  bpf: Resolve fext program type when checking map compatibility
  bpf: Synchronize dispatcher update with bpf_dispatcher_xdp_func
  bpf: prevent leak of lsm program after failed attach
  selftests/bpf: Select CONFIG_FUNCTION_ERROR_INJECTION
  selftests/bpf: Fix a selftest compilation error with CONFIG_SMP=n
  docs/bpf: Reword docs for BPF_MAP_TYPE_SK_STORAGE
====================

Link: https://lore.kernel.org/r/20221216174540.16598-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-16 10:41:56 -08:00
Krzysztof Kozlowski
33cd7c6fff dt-bindings: clock: drop redundant part of title
The Devicetree bindings document does not have to say in the title that
it is a "Devicetree binding", but instead just describe the hardware.

Drop "Devicetree bindings" in various forms:

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -exec sed -i -e 's/^title: [dD]evice[ -]\?[tT]ree [cC]lock [bB]indings\? for \([tT]he \)\?\(.*\)$/title: \u\2 Clock Controller/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -exec sed -i -e 's/^title: [cC]lock [bB]indings\? for \([tT]he \)\?\(.*\)$/title: \u\2 Clock Controller/' {} \;

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # MMC
Acked-by: Stephen Boyd <sboyd@kernel.org> # clk
Link: https://lore.kernel.org/r/20221216163815.522628-9-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-16 11:41:49 -06:00
Krzysztof Kozlowski
9d69d47fd3 dt-bindings: drop redundant part of title (beginning)
The Devicetree bindings document does not have to say in the title that
it is a "Devicetree binding", but instead just describe the hardware.

Drop beginning "Devicetree bindings" in various forms:

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -exec sed -i -e 's/^title: [dD]evice[ -]\?[tT]ree [bB]indings\? for \([tT]he \)\?\(.*\)$/title: \u\2/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -exec sed -i -e 's/^title: [bB]indings\? for \([tT]he \)\?\(.*\)$/title: \u\2/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -exec sed -i -e 's/^title: [dD][tT] [bB]indings\? for \([tT]he \)\?\(.*\)$/title: \u\2/' {} \;

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # MMC
Acked-by: Stephen Boyd <sboyd@kernel.org> # clk
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> # input
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Sebastian Reichel <sre@kernel.org> # power
Link: https://lore.kernel.org/r/20221216163815.522628-8-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-16 11:41:49 -06:00
Krzysztof Kozlowski
84e85359f4 dt-bindings: drop redundant part of title (end, part three)
The Devicetree bindings document does not have to say in the title that
it is a "binding", but instead just describe the hardware.

Drop trailing "bindings" in various forms (also with trailing full
stop):

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [bB]indings\?\.\?$/title: \1/' {} \;

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com> # ROHM
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # MMC
Acked-by: Stephen Boyd <sboyd@kernel.org> # clk
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> # input
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # media
Acked-by: Sebastian Reichel <sre@kernel.org> # power
Acked-by: Viresh Kumar <viresh.kumar@linaro.org> # cpufreq
Link: https://lore.kernel.org/r/20221216163815.522628-7-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-16 11:41:49 -06:00
Krzysztof Kozlowski
9fa3ad1a1a dt-bindings: drop redundant part of title (end, part two)
The Devicetree bindings document does not have to say in the title that
it is a "binding", but instead just describe the hardware.

Drop trailing "Node|Tree|Generic bindings" in various forms (also with
trailing full stop):

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [nN]ode [bB]indings\?\.\?$/title: \1/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [tT]ree [bB]indings\?\.\?$/title: \1/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [gG]eneric [bB]indings\?\.\?$/title: \1/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [bB]indings\? description\.\?$/title: \1/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [bB]indings\? document\.\?$/title: \1/' {} \;

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # MMC
Acked-by: Stephen Boyd <sboyd@kernel.org> # clk
Acked-by: Vinod Koul <vkoul@kernel.org> # phy
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221216163815.522628-6-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-16 11:41:49 -06:00
Krzysztof Kozlowski
a612130ca1 dt-bindings: drop redundant part of title (end)
The Devicetree bindings document does not have to say in the title that
it is a "Devicetree binding", but instead just describe the hardware.

Drop trailing "Devicetree bindings" in various forms (also with
trailing full stop):

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [dD]evice[ -]\?[tT]ree [bB]indings\?\.\?$/title: \1/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [dD]evice[ -]\?[nN]ode [bB]indings\?\.\?$/title: \1/' {} \;

  find Documentation/devicetree/bindings/ -type f -name '*.yaml' \
    -not -name 'trivial-devices.yaml' \
    -exec sed -i -e 's/^title: \(.*\) [dD][tT] [bB]indings\?\.\?$/title: \1/' {} \;

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # IIO
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # MMC
Acked-by: Stephen Boyd <sboyd@kernel.org> # clk
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> # input
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # media
Acked-by: Sebastian Reichel <sre@kernel.org> # power
Link: https://lore.kernel.org/r/20221216163815.522628-5-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-16 11:41:49 -06:00
Krzysztof Kozlowski
a0c2153dcf dt-bindings: clock: st,stm32mp1-rcc: add proper title
Add device name in the title, because "Reset Clock Controller" sounds
too generic.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # MMC
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20221216163815.522628-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>
2022-12-16 11:41:49 -06:00