lkml.org 
[lkml]   [2014]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RT v2] timer: Raise softirq if there's irq_work
On Fri, 24 Jan 2014 21:20:39 +0100
Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:

> * Steven Rostedt | 2014-01-24 15:09:33 [-0500]:
>
> >[ Talking with Sebastian on IRC, it seems that doing the irq_work_run()
> > from the interrupt in -rt is a bad thing. Here we simply raise the
> > softirq if there's irq work to do. This too boots on my i7 ]
>
> It is okay in general because most of the users should not run in bare
> interrupt context. The only exception here is the nohz_full_kick_work
> thing.
>

I know we discussed this on IRC, but I wanted to publicly state that
the missing irq work callback was the RCU's rsp_wakeup() function.

-- Steve


\
 
 \ /
  Last update: 2014-01-24 22:01    [W:0.037 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site