linux-kernel - Re: [PATCH] x86, kasan: add KASAN checks to atomic operations

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Message-ID: <20170306153331.GP6500@twins.programming.kicks-ass.net>
Date:   Mon, 6 Mar 2017 16:33:31 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Ingo Molnar <mingo@...hat.com>,
        kasan-dev <kasan-dev@...glegroups.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH] x86, kasan: add KASAN checks to atomic operations

On Mon, Mar 06, 2017 at 03:24:23PM +0100, Dmitry Vyukov wrote:
> We could involve compiler (and by compiler I mean clang, because we
> are not going to touch gcc, any volunteers?).

FWIW, clang isn't even close to being a viable compiler for the kernel.
It lacks far too many features, _IF_ you can get it to compiler in the
first place.