Re: [PATCH] blktrace: Fix potentail deadlock between delete & sysfs ops

[Steven Rostedt]

On Wed, 16 Aug 2017 15:07:25 -0400
Waiman Long <longman@xxxxxxxxxx> wrote:


> I am thinking about maybe letting a RT task to sleep a tiny amount of
> time instead of calling schedule(). Hopefully, that will allow a
> lower-priority task to make forward progress.

That is actually one of the ugly hacks we have in the PREEMPT_RT patch
(and one of the things we need to fix before getting it to mainline).

A simple msleep(1).

-- Steve