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authorIngo Molnar <mingo@kernel.org>2022-01-08 10:53:57 +0100
committerIngo Molnar <mingo@kernel.org>2022-01-08 10:53:57 +0100
commit0422fe2666aea4c0986f4c89dc107731aa6a7a81 (patch)
tree1d42a146a738fb933f061424751755e630aeccb0 /kernel/time/timer.c
parentnet/mlx4: Use irq_update_affinity_hint() (diff)
parentMerge branch 'for-5.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-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.c16
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);