lkml.org 
[lkml]   [2020]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] sched/core: fix illegal RCU from offline CPUs
Date


> On Jan 13, 2020, at 3:22 AM, Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> wrote:
>
> Is commit 7283094ec3db318e ("kernel, oom: fix potential pgd_lock deadlock from
> __mmdrop") about only softirq? Is it guaranteed that smp_call_function_single()
> does not hit such race? Then just my overcareful...

That commit looks like a different issue. We are not call mmdrop() from softirq here.
\
 
 \ /
  Last update: 2020-01-13 14:44    [W:0.068 / U:1.104 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site