[RFC/PATCH RESEND -next 05/21] x86: cpu: don't sanitize early stages of a secondary CPU boot
Andrey Ryabinin
a.ryabinin at samsung.com
Thu Jul 10 06:15:21 PDT 2014
On 07/09/14 23:33, Andi Kleen wrote:
> Andrey Ryabinin <a.ryabinin at 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
>
More information about the linux-arm-kernel
mailing list