Re: [PATCH v3 5/7] kasan: allow kasan_check_read/write() to accept pointers to volatiles

From: Andrey Ryabinin
Date: Fri Jun 16 2017 - 11:53:25 EST

On 06/06/2017 01:11 PM, Dmitry Vyukov wrote:
> Currently kasan_check_read/write() accept 'const void*', make them
> accept 'const volatile void*'. This is required for instrumentation
> of atomic operations and there is just no reason to not allow that.
> Signed-off-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: x86@xxxxxxxxxx
> Cc: linux-mm@xxxxxxxxx
> Cc: kasan-dev@xxxxxxxxxxxxxxxx

Reviewed-by: Andrey Ryabinin <aryabinin@xxxxxxxxxxxxx>