[lkml]   [2015]   [Jun]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC PATCH 09/18] kthread: Make it easier to correctly sleep in iterant kthreads
On Wed, 10 Jun 2015 11:07:24 +0200
Peter Zijlstra <> wrote:

> > Not to mention, tasks in TASK_UNINTERRUPTIBLE state for too long will
> > trigger hung task detection.
> Right, and I had not considered that, but it turns out the hung_task
> detector checks p->state == TASK_UNINTERRUPTIBLE, so TASK_IDLE is indeed
> safe from that.

Also, I would assume that TASK_IDLE only makes sense for kernel
threads, I wonder if we should add an assertion in schedule that
triggers if a task is scheduling with TASK_IDLE and is not a kernel
thread (has its own mm?)

-- Steve

 \ /
  Last update: 2015-06-10 17:01    [W:0.105 / U:0.036 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site