Hi Tejun,
Hello, Baolin.
On Tue, Jan 26, 2021 at 09:33:25PM +0800, Baolin Wang wrote:
On !PREEMPT kernel, we can get below softlockup when doing stress
testing with creating and destroying block cgroup repeatly. The
reason is it may take a long time to acquire the queue's lock in
the loop of
Hello, Baolin.
On Tue, Jan 26, 2021 at 09:33:25PM +0800, Baolin Wang wrote:
> On !PREEMPT kernel, we can get below softlockup when doing stress
> testing with creating and destroying block cgroup repeatly. The
> reason is it may take a long time to acquire the queue's lock in
> the loop of
On !PREEMPT kernel, we can get below softlockup when doing stress
testing with creating and destroying block cgroup repeatly. The
reason is it may take a long time to acquire the queue's lock in
the loop of blkcg_destroy_blkgs(), thus we can use cond_resched()
instead of cpu_relax() to avoid this
3 matches
Mail list logo
