lkml.org 
[lkml]   [2015]   [Jul]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] smpboot.c: move setup_vector_irq after set_cpu_online
From
Date
Hi tglx,

On 7/2/2015 8:50 PM, Thomas Gleixner wrote:
>
> The whole vector stuff is racy versus cpu hotplug and Jins patch
> merily addresses a small part of it and by doing that it breaks stuff
> as well.
>
> With that patch we move the vector setup after marking the cpu online,
> which is wrong because the vector array on that cpu is not up to date
> until we call __setup_vector_irq(). Proper patch below.
>
> We still have an issue in the cpu_disable() patch, but I haven't yet
> wrapped my head around it completely.
>
> Thanks,
>
> tglx
>

Your patch is better. Thanks.

Jin


\
 
 \ /
  Last update: 2015-07-03 04:21    [W:0.106 / U:2.176 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site