From: Sasha Levin <sasha.levin@oracle.com>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>,
mingo@kernel.org, akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [RFC 1/3] compiler.h: enable builtin overflow checkers and add fallback code
Date: Sun, 19 Jul 2015 23:47:18 -0400 [thread overview]
Message-ID: <55AC6F46.80606@oracle.com> (raw)
In-Reply-To: <1437347852-24921-1-git-send-email-linux@rasmusvillemoes.dk>
On 07/19/2015 07:17 PM, Rasmus Villemoes wrote:
> Last year, Sasha Levin suggested adding wrappers for the
> __builtin_*_overflow functions introduced with gcc 5.1 (based on
> similar, but type-specific, functions in clang). This is another
> attempt at providing such wrappers and fallback code for older compilers.
What's the difference between this version and the one Linus essentially
rejected?
I still think it's a good idea, but I'm not sure if anything changed since
last year.
Thanks,
Sasha
next prev parent reply other threads:[~2015-07-20 3:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-19 23:17 [RFC 1/3] compiler.h: enable builtin overflow checkers and add fallback code Rasmus Villemoes
2015-07-19 23:17 ` [RFC 2/3] lib: add runtime test of check_*_overflow functions Rasmus Villemoes
2015-07-19 23:17 ` [RFC 3/3] slab.h: use check_mul_overflow in kmalloc_array Rasmus Villemoes
2015-07-20 3:47 ` Sasha Levin [this message]
2015-07-20 20:13 ` [RFC 1/3] compiler.h: enable builtin overflow checkers and add fallback code Rasmus Villemoes
2015-07-21 7:26 ` Ingo Molnar
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