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IORING_OP_SYNC_FILE_RANGE is marked as .needs_file, so the common path
will take care of assigning and validating req->file, no need to
duplicate it in io_sfr_prep().
Signed-off-by: Pavel Begunkov <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Follow io_*_prep() naming pattern, there are only fsync and sfr that
don't do that.
Signed-off-by: Pavel Begunkov <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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@i and @submitted are very much coupled together, and there is no need
to keep them both. Remove @i, it doesn't change generated binary but
helps to keep a single source of truth.
Signed-off-by: Pavel Begunkov <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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This reverts commit 7c86ff9925cbc83e8a21f164a8fdc2767e03531e.
There are too many special cases for MIPS not covered by this patch.
In the end it might be better to implement single stepping in userland
than emulating it in the kernel.
Signed-off-by: Thomas Bogendoerfer <[email protected]>
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Static checkers complained about an off by one read overflow in
otx2_get_fecparam() and we applied two conflicting fixes for it.
Correct: b0aae0bde26f ("octeontx2: Fix condition.")
Wrong: 93efb0c65683 ("octeontx2-pf: Fix out-of-bounds read in otx2_get_fecparam()")
Revert the incorrect fix.
Fixes: 93efb0c65683 ("octeontx2-pf: Fix out-of-bounds read in otx2_get_fecparam()")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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These defines are used with set_bit() and test_bit() which take a bit
number. In other words, the code is doing:
if (BIT(BIT(1)) & pf->hw.cap_flag) {
This was done consistently so it did not cause a problem at runtime but
it's still worth fixing.
Fixes: facede8209ef ("octeontx2-pf: cn10k: Add mbox support for CN10K")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This patch populates the PCI bus info in the ethtool driver query data.
Users will be able to view PCI bus info using 'ethtool -i <interface>'.
Signed-off-by: Wong Vee Khee <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Vincent Cheng says:
====================
ptp: ptp_clockmatrix: Fix output 1 PPS alignment.
This series fixes a race condition that may result in the output clock
not aligned to internal 1 PPS clock.
Part of device initialization is to align the rising edge of output
clocks to the internal rising edge of the 1 PPS clock. If the system
APLL and DPLL are not locked when this alignment occurs, the alignment
fails and a fixed offset between the internal 1 PPS clock and the
output clock occurs.
If a clock is dynamically enabled after power-up, the output clock
also needs to be aligned to the internal 1 PPS clock.
v3:
Suggested by: Jakub Kicinski <[email protected]>
- Remove unnecessary 'err' variable
- Increase msleep()/loop accuracy by using jiffies in while()
- No empty lines between variables
- No empty lines between call and the if
- parenthesis around a == b are unnecessary
- Inconsistent \n usage in dev_()
- Remove unnecessary empty line
- Leave string format in place so static code checkers can
validate arguments
v2:
Suggested by: Richard Cochran <[email protected]>
- Added const to "char * fmt"
- Break unrelated header change into separate patch
====================
Signed-off-by: David S. Miller <[email protected]>
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Code clean-up.
Signed-off-by: Vincent Cheng <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Code clean-up.
Signed-off-by: Vincent Cheng <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Code clean-up.
* Remove blank line between variable declarations.
* Remove blank line between:
err = blah(...)
if (err)
...
* Remove unnecessary blank line before/after loop constructs.
Signed-off-by: Vincent Cheng <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Code clean-up.
* Remove unnecessary \n termination from dev_*() messages.
* Remove 'char *fmt' to define strings to stay within 80 column
limit. Not needed since coding guidelines increased to
100 columns limit.
Keeping format in place allows static code checkers to
validate the arguments.
* Tighten up vertical spacing.
Signed-off-by: Vincent Cheng <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Removed unused header declarations.
Signed-off-by: Vincent Cheng <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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When enabling output using PTP_CLK_REQ_PEROUT, need to align the output
clock to the internal 1 PPS clock.
Signed-off-by: Vincent Cheng <[email protected]>
Acked-by: Richard Cochran <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Part of the device initialization aligns the rising edge of the output
clock to the internal 1 PPS clock. If the system APLL and DPLL is not
locked, then the alignment will fail and there will be a fixed offset
between the internal 1 PPS clock and the output clock.
After loading the device firmware, poll the system APLL and DPLL for
locked state prior to initialization, timing out after 2 seconds.
Signed-off-by: Vincent Cheng <[email protected]>
Acked-by: Richard Cochran <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Samuel Holland says:
====================
dwmac-sun8i cleanup and shutdown hook
These patches clean up some things I noticed while fixing suspend/resume
behavior. The first four are minor code improvements. The last one adds
a shutdown hook to minimize power consumption on boards without a PMIC.
Changes v1 to v2:
- Note the assumption of exclusive reset controller access in patch 3
====================
Signed-off-by: David S. Miller <[email protected]>
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The Ethernet MAC and PHY are usually major consumers of power on boards
which may not be able to fully power off (those with no PMIC). Powering
down the MAC and internal PHY saves power while these boards are "off".
Reviewed-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Samuel Holland <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Adjust the spacing and use an explicit "return 0" in the success path
to make the function easier to parse.
Reviewed-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Samuel Holland <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Use the appropriate function instead of reimplementing it,
and update the error message to match the code.
Reviewed-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Samuel Holland <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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sun8i_dwmac_unpower_internal_phy already checks if the PHY is powered,
so there is no need to do it again here.
Reviewed-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Samuel Holland <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This is a deinitialization function that always returned zero, and that
return value was always ignored. Have it return void instead.
Reviewed-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Samuel Holland <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Use macro pm_ptr(), this helps to avoid some ifdeffery.
Signed-off-by: Heiner Kallweit <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Don't forget to free iovec read inline completion and bunch of other
cases that do "goto done" before setting up an async context.
Fixes: 5ea5dd45844d ("io_uring: inline io_read()'s iovec freeing")
Reported-by: Jens Axboe <[email protected]>
Signed-off-by: Pavel Begunkov <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains Netfilter updates for net-next:
1) Add two helper functions to release one table and hooks from
the netns and netlink event path.
2) Add table ownership infrastructure, this new infrastructure allows
users to bind a table (and its content) to a process through the
netlink socket.
====================
Signed-off-by: David S. Miller <[email protected]>
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We have no in-tree users, also update the sfp-phylink.rst documentation
to indicate that phy_attach_direct() is used instead of of_phy_attach().
Signed-off-by: Florian Fainelli <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Ocelot now uses include/linux/dsa/ocelot.h which makes use of
CONFIG_PACKING to pack/unpack bits into the Injection/Extraction Frame
Headers. So it needs to explicitly select it, otherwise there might be
build errors due to the missing dependency.
Fixes: 40d3f295b5fe ("net: mscc: ocelot: use common tag parsing code with DSA")
Reported-by: Naresh Kamboju <[email protected]>
Signed-off-by: Vladimir Oltean <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add rules to select SOF driver for Alder Lake systems if a digital
microphone or SoundWire codecs are present in the system. This is
following same rules as for older Tiger Lake systems.
Signed-off-by: Kai Vehmanen <[email protected]>
Reviewed-by: Xiuli Pan <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Reviewed-by: Pierre-Louis Bossart <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.12
Another quiet release in terms of features, though several of the
drivers got quite a bit of work and there were a lot of general changes
resulting from Morimoto-san's ongoing cleanup work.
- As ever, lots of hard work by Morimoto-san cleaning up the code and
making it more consistent.
- Many improvements in the Intel drivers including a wide range of
quirks and bug fixes.
- A KUnit testsuite for the topology code.
- Support for Ingenic JZ4760(B), Intel AlderLake-P, DT configured
nVidia cards, Qualcomm lpass-rx-macro and lpass-tx-macro
- Removal of obsolete SIRF prima/atlas, Txx9 and ZTE zx drivers.
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2-in-1 models" from Hans de Goede <[email protected]>:
Hi All,
Here is a patch series adding quirks with device-specific settings for
4 more tablet / 2-in-1 models.
Regards,
Hans
Hans de Goede (4):
ASoC: Intel: bytcr_rt5640: Add quirk for the Estar Beauty HD MID 7316R tablet
ASoC: Intel: bytcr_rt5640: Add quirk for the Voyo Winpad A15 tablet
ASoC: Intel: bytcr_rt5651: Add quirk for the Jumper EZpad 7 tablet
ASoC: Intel: bytcr_rt5640: Add quirk for the Acer One S1002 tablet
sound/soc/intel/boards/bytcr_rt5640.c | 37 +++++++++++++++++++++++++++
sound/soc/intel/boards/bytcr_rt5651.c | 13 ++++++++++
2 files changed, 50 insertions(+)
--
2.30.1
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In case DPCM runtime has multiple CPU DAIs, dpcm_init_runtime_hw() is
called multiple times, once for each CPU DAI. This will lead to
ignoring hw limits of all but the last DAI.
Fix this by moving soc_pcm_hw_init() up by one level to
dpcm_init_runtime_hw().
Fixes: 140f553d1298 ("ASoC: soc-pcm: fix hwparams min/max init for dpcm")
Suggested-by: Kuninori Morimoto <[email protected]>
Signed-off-by: Kai Vehmanen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The Acer One S1002 tablet is using an analog mic on IN1 and has
its jack-detect connected to JD2_IN4N, instead of using the default
IN3 for its internal mic and JD1_IN4P for jack-detect.
Note it is also using AIF2 instead of AIF1 which is somewhat unusual,
this is correctly advertised in the ACPI CHAN package, so the speakers
do work without the quirk.
Add a quirk for the mic and jack-detect settings.
Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Pierre-Louis Bossart <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Add a DMI quirk for the Jumper EZpad 7 tablet, this tablet has
a jack-detect switch which reads 1/high when a jack is inserted,
rather then using the standard active-low setup which most
jack-detect switches use. All other settings are using the defaults.
Add a DMI-quirk setting the defaults + the BYT_RT5651_JD_NOT_INV
flags for this.
Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Pierre-Louis Bossart <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The Voyo Winpad A15 tablet uses a Bay Trail (non CR) SoC, so it is using
SSP2 (AIF1) and it mostly works with the defaults. But instead of using
DMIC1 it is using an analog mic on IN1, add a quirk for this.
Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Pierre-Louis Bossart <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The Estar Beauty HD MID 7316R tablet almost fully works with out default
settings. The only problem is that it has only 1 speaker so any sounds
only playing on the right channel get lost.
Add a quirk for this model using the default settings + MONO_SPEAKER.
Signed-off-by: Hans de Goede <[email protected]>
Acked-by: Pierre-Louis Bossart <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Allow building x86 with PREEMPT_DYNAMIC=n, this is needed for
PREEMPT_RT as it makes no sense to not have full preemption on
PREEMPT_RT.
Fixes: 8c98e8cf723c ("preempt/dynamic: Provide preempt_schedule[_notrace]() static calls")
Reported-by: Mike Galbraith <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Tested-by: Mike Galbraith <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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Following the idle loop model, cleanly check for pending rcuog wakeup
before the last rescheduling point upon resuming to guest mode. This
way we can avoid to do it from rcu_user_enter() with the last resort
self-IPI hack that enforces rescheduling.
Suggested-by: Peter Zijlstra <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
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Following the idle loop model, cleanly check for pending rcuog wakeup
before the last rescheduling point on resuming to user mode. This
way we can avoid to do it from rcu_user_enter() with the last resort
self-IPI hack that enforces rescheduling.
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
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Entering RCU idle mode may cause a deferred wake up of an RCU NOCB_GP
kthread (rcuog) to be serviced.
Unfortunately the call to rcu_user_enter() is already past the last
rescheduling opportunity before we resume to userspace or to guest mode.
We may escape there with the woken task ignored.
The ultimate resort to fix every callsites is to trigger a self-IPI
(nohz_full depends on arch to implement arch_irq_work_raise()) that will
trigger a reschedule on IRQ tail or guest exit.
Eventually every site that want a saner treatment will need to carefully
place a call to rcu_nocb_flush_deferred_wakeup() before the last explicit
need_resched() check upon resume.
Fixes: 96d3fd0d315a (rcu: Break call_rcu() deadlock involving scheduler and perf)
Reported-by: Paul E. McKenney <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
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Entering RCU idle mode may cause a deferred wake up of an RCU NOCB_GP
kthread (rcuog) to be serviced.
Usually a local wake up happening while running the idle task is handled
in one of the need_resched() checks carefully placed within the idle
loop that can break to the scheduler.
Unfortunately the call to rcu_idle_enter() is already beyond the last
generic need_resched() check and we may halt the CPU with a resched
request unhandled, leaving the task hanging.
Fix this with splitting the rcuog wakeup handling from rcu_idle_enter()
and place it before the last generic need_resched() check in the idle
loop. It is then assumed that no call to call_rcu() will be performed
after that in the idle loop until the CPU is put in low power mode.
Fixes: 96d3fd0d315a (rcu: Break call_rcu() deadlock involving scheduler and perf)
Reported-by: Paul E. McKenney <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
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Deferred wakeup of rcuog kthreads upon RCU idle mode entry is going to
be handled differently whether initiated by idle, user or guest. Prepare
with pulling that control up to rcu_eqs_enter() callers.
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
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The HRTICK feature has traditionally been servicing configurations that
need precise preemptions point for NORMAL tasks. More recently, the
feature has been extended to also service DEADLINE tasks with stringent
runtime enforcement needs (e.g., runtime < 1ms with HZ=1000).
Enabling HRTICK sched feature currently enables the additional timer and
task tick for both classes, which might introduced undesired overhead
for no additional benefit if one needed it only for one of the cases.
Separate HRTICK sched feature in two (and leave the traditional case
name unmodified) so that it can be selectively enabled when needed.
With:
$ echo HRTICK > /sys/kernel/debug/sched_features
the NORMAL/fair hrtick gets enabled.
With:
$ echo HRTICK_DL > /sys/kernel/debug/sched_features
the DEADLINE hrtick gets enabled.
Signed-off-by: Juri Lelli <[email protected]>
Signed-off-by: Luis Claudio R. Goncalves <[email protected]>
Signed-off-by: Daniel Bristot de Oliveira <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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Hung tasks and RCU stall cases were reported on systems which were not
100% busy. Investigation of such unexpected cases (no sign of potential
starvation caused by tasks hogging the system) pointed out that the
periodic sched tick timer wasn't serviced anymore after a certain point
and that caused all machinery that depends on it (timers, RCU, etc.) to
stop working as well. This issues was however only reproducible if
HRTICK was enabled.
Looking at core dumps it was found that the rbtree of the hrtimer base
used also for the hrtick was corrupted (i.e. next as seen from the base
root and actual leftmost obtained by traversing the tree are different).
Same base is also used for periodic tick hrtimer, which might get "lost"
if the rbtree gets corrupted.
Much alike what described in commit 1f71addd34f4c ("tick/sched: Do not
mess with an enqueued hrtimer") there is a race window between
hrtimer_set_expires() in hrtick_start and hrtimer_start_expires() in
__hrtick_restart() in which the former might be operating on an already
queued hrtick hrtimer, which might lead to corruption of the base.
Use hrtick_start() (which removes the timer before enqueuing it back) to
ensure hrtick hrtimer reprogramming is entirely guarded by the base
lock, so that no race conditions can occur.
Signed-off-by: Juri Lelli <[email protected]>
Signed-off-by: Luis Claudio R. Goncalves <[email protected]>
Signed-off-by: Daniel Bristot de Oliveira <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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dl_add_task_root_domain() is called during sched domain rebuild:
rebuild_sched_domains_locked()
partition_and_rebuild_sched_domains()
rebuild_root_domains()
for all top_cpuset descendants:
update_tasks_root_domain()
for all tasks of cpuset:
dl_add_task_root_domain()
Change it so that only the task pi lock is taken to check if the task
has a SCHED_DEADLINE (DL) policy. In case that p is a DL task take the
rq lock as well to be able to safely de-reference root domain's DL
bandwidth structure.
Most of the tasks will have another policy (namely SCHED_NORMAL) and
can now bail without taking the rq lock.
One thing to note here: Even in case that there aren't any DL user
tasks, a slow frequency switching system with cpufreq gov schedutil has
a DL task (sugov) per frequency domain running which participates in DL
bandwidth management.
Signed-off-by: Dietmar Eggemann <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Reviewed-by: Quentin Perret <[email protected]>
Reviewed-by: Valentin Schneider <[email protected]>
Reviewed-by: Daniel Bristot de Oliveira <[email protected]>
Acked-by: Juri Lelli <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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commit c6bc9bd06dff ("rbtree, uprobes: Use rbtree helpers")
accidentally removed the refcount increase. Add it again.
Fixes: c6bc9bd06dff ("rbtree, uprobes: Use rbtree helpers")
Signed-off-by: Sven Schnelle <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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send_call_function_single_ipi() may wake an idle CPU without sending an
IPI. The woken up CPU will process the SMP-functions in
flush_smp_call_function_from_idle(). Any raised softirq from within the
SMP-function call will not be processed.
Should the CPU have no tasks assigned, then it will go back to idle with
pending softirqs and the NOHZ will rightfully complain.
Process pending softirqs on return from flush_smp_call_function_queue().
Fixes: b2a02fc43a1f4 ("smp: Optimize send_call_function_single_ipi()")
Reported-by: Jens Axboe <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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Use the new EXPORT_STATIC_CALL_TRAMP() / static_call_mod() to unexport
the static_call_key for the PREEMPT_DYNAMIC calls such that modules
can no longer update these calls.
Having modules change/hi-jack the preemption calls would be horrible.
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
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When exporting static_call_key; with EXPORT_STATIC_CALL*(), the module
can use static_call_update() to change the function called. This is
not desirable in general.
Not exporting static_call_key however also disallows usage of
static_call(), since objtool needs the key to construct the
static_call_site.
Solve this by allowing objtool to create the static_call_site using
the trampoline address when it builds a module and cannot find the
static_call_key symbol. The module loader will then try and map the
trampole back to a key before it constructs the normal sites list.
Doing this requires a trampoline -> key associsation, so add another
magic section that keeps those.
Originally-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Josh Poimboeuf <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lkml.kernel.org/r/20210127231837.ifddpn7rhwdaepiu@treble
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Add a debugfs file to muck about with the preempt mode at runtime.
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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