lkml.org 
[lkml]   [2018]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Do we need to disable preemption in flush_tlb_range()?
From
Date
+CC Peter since we have his attention ;-)

On 03/01/2018 07:13 AM, Alexey Brodkin wrote:
> Hi Vineet,
>
> Just noticed that in comments for smp_call_function_many() it is said that
> preemption must be disabled during its execution. And that function gets executed
> among other ways like that:
> -------------------------->8-----------------------
> flush_tlb_range()
> -> on_each_cpu_mask()
> -> smp_call_function_many()
> -------------------------->8-----------------------

In general I prefer not to - Peter what say you ?

>
> I'm not seeing right now any real problem with current implementation but
> some architectures do that thus the question.
>
> -Alexey
>

\
 
 \ /
  Last update: 2018-03-14 21:19    [W:0.068 / U:0.292 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site