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Merge tag 'leds-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

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Pull LED updates from Pavel Machek:
 "Johannes pointed out that locking is still problematic with triggers
  list, attempt to solve that by using RCU"

* tag 'leds-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
  leds: trigger: Disable CPU trigger on PREEMPT_RT
  leds: trigger: use RCU to protect the led_cdevs list
  led-class-flash: fix -Wrestrict warning
This commit is contained in:
Linus Torvalds
2021-11-01 18:49:25 -07:00
parent 73d21a3579 97b31c1f8e
commit 4dee060625
4 changed files with 24 additions and 22 deletions
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include/linux/leds.h
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@@ -360,7 +360,7 @@ struct led_trigger {
struct led_hw_trigger_type *trigger_type;
/* LEDs under control by this trigger (for simple triggers) */
rwlock_t leddev_list_lock;
spinlock_t leddev_list_lock;
struct list_head led_cdevs;
/* Link to next registered trigger */