Re: [PATCH] blktrace: Fix potentail deadlock between delete & sysfs ops
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2017-08-16 19:14:46
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On Wed, 16 Aug 2017 15:07:25 -0400 Waiman Long [off-list ref] 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