lkml.org 
[lkml]   [2017]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [1/3] cpuidle: powerpc: cpuidle set polling before enabling irqs
Date
On Wed, 2017-06-14 at 13:02:39 UTC, Nicholas Piggin wrote:
> local_irq_enable can cause interrupts to be taken which could
> take significant amount of processing time. The idle process
> should set its polling flag before this, so another process that
> wakes it during this time will not have to send an IPI.
>
> Expand the TIF_POLLING_NRFLAG coverage to as large as possible.
>
> Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

Series applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/3fc5ee927ff4ffed6aa2fcd44d2fbf

cheers

\
 
 \ /
  Last update: 2017-06-29 14:21    [W:0.084 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site