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

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Date:   Fri, 16 Jun 2017 18:54:49 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>, mark.rutland@....com,
        peterz@...radead.org, mingo@...hat.com, will.deacon@....com,
        hpa@...or.com
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, x86@...nel.org, linux-mm@...ck.org,
        kasan-dev@...glegroups.com
Subject: Re: [PATCH v3 5/7] kasan: allow kasan_check_read/write() to accept
 pointers to volatiles



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@...gle.com>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Andrey Ryabinin <aryabinin@...tuozzo.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: linux-kernel@...r.kernel.org
> Cc: x86@...nel.org
> Cc: linux-mm@...ck.org
> Cc: kasan-dev@...glegroups.com

Reviewed-by: Andrey Ryabinin <aryabinin@...tuozzo.com>