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author | Ingo Molnar <mingo@kernel.org> | 2022-01-08 10:53:57 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2022-01-08 10:53:57 +0100 |
commit | 0422fe2666aea4c0986f4c89dc107731aa6a7a81 (patch) | |
tree | 1d42a146a738fb933f061424751755e630aeccb0 /kernel/time/timer.c | |
parent | net/mlx4: Use irq_update_affinity_hint() (diff) | |
parent | Merge branch 'for-5.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
download | linux-0422fe2666aea4c0986f4c89dc107731aa6a7a81.tar.xz linux-0422fe2666aea4c0986f4c89dc107731aa6a7a81.zip |
Merge branch 'linus' into irq/core, to fix conflict
Conflicts:
drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/time/timer.c')
-rw-r--r-- | kernel/time/timer.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c index e3d2c23c413d..85f1021ad459 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -2054,26 +2054,28 @@ unsigned long msleep_interruptible(unsigned int msecs) EXPORT_SYMBOL(msleep_interruptible); /** - * usleep_range - Sleep for an approximate time - * @min: Minimum time in usecs to sleep - * @max: Maximum time in usecs to sleep + * usleep_range_state - Sleep for an approximate time in a given state + * @min: Minimum time in usecs to sleep + * @max: Maximum time in usecs to sleep + * @state: State of the current task that will be while sleeping * * In non-atomic context where the exact wakeup time is flexible, use - * usleep_range() instead of udelay(). The sleep improves responsiveness + * usleep_range_state() instead of udelay(). The sleep improves responsiveness * by avoiding the CPU-hogging busy-wait of udelay(), and the range reduces * power usage by allowing hrtimers to take advantage of an already- * scheduled interrupt instead of scheduling a new one just for this sleep. */ -void __sched usleep_range(unsigned long min, unsigned long max) +void __sched usleep_range_state(unsigned long min, unsigned long max, + unsigned int state) { ktime_t exp = ktime_add_us(ktime_get(), min); u64 delta = (u64)(max - min) * NSEC_PER_USEC; for (;;) { - __set_current_state(TASK_UNINTERRUPTIBLE); + __set_current_state(state); /* Do not return before the requested sleep time has elapsed */ if (!schedule_hrtimeout_range(&exp, delta, HRTIMER_MODE_ABS)) break; } } -EXPORT_SYMBOL(usleep_range); +EXPORT_SYMBOL(usleep_range_state); |