diff options
| author | Jens Axboe <axboe@kernel.dk> | 2021-03-12 20:20:42 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-03-12 20:20:42 -0700 |
| commit | 15b2219facadec583c24523eed40fa45865f859f (patch) | |
| tree | 4b71050a700177fb0f834737cb7e97f72387dac9 | |
| parent | 58f99373834151e1ca7edc49bc5578d9d40db099 (diff) | |
kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing
Don't send fake signals to PF_IO_WORKER threads, they don't accept
signals. Just treat them like kthreads in this regard, all they need
is a wakeup as no forced kernel/user transition is needed.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | kernel/freezer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/freezer.c b/kernel/freezer.c index dc520f01f99d..1a2d57d1327c 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -134,7 +134,7 @@ bool freeze_task(struct task_struct *p) return false; } - if (!(p->flags & PF_KTHREAD)) + if (!(p->flags & (PF_KTHREAD | PF_IO_WORKER))) fake_signal_wake_up(p); else wake_up_state(p, TASK_INTERRUPTIBLE); |