lkml.org 
[lkml]   [2020]   [May]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [patch V6 03/37] nmi, tracing: Provide nmi_enter/exit_notrace()
On Fri, May 15, 2020 at 5:10 PM Thomas Gleixner <tglx@linutronix.de> wrote:
>
>
> To fully isolate #DB and #BP from instrumentable code it's necessary to
> avoid invoking the hardware latency tracer on nmi_enter/exit().
>
> Provide nmi_enter/exit() variants which are not invoking the hardware
> latency tracer. That allows to put calls explicitely into the call sites
> outside of the kprobe handling.


Acked-by: Andy Lutomirski <luto@kernel.org>

\
 
 \ /
  Last update: 2020-05-17 07:13    [W:0.466 / U:0.552 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site