lkml.org 
[lkml]   [2014]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC/PATCH RESEND -next 05/21] x86: cpu: don't sanitize early stages of a secondary CPU boot
On 07/09/14 23:33, Andi Kleen wrote:
> Andrey Ryabinin <a.ryabinin@samsung.com> writes:
>
>> Instrumentation of this files may result in unbootable machine.
>
> This doesn't make sense. Is the code not NMI safe?
> If yes that would need to be fixed because
>
> Please debug more.
>

Sure.
It turns out that KASAN_SANITIZE_perf_event.o := n is not needed here.
The problem only with common.c

> perf is a common source of bugs (see Vice Weaver's fuzzer results),
> so it would be good to have this functionality for it.
>
> -Andi
>



\
 
 \ /
  Last update: 2014-07-10 16:01    [W:1.784 / U:8.716 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site