linux-kernel - Re: [RFC 1/3] compiler.h: enable builtin overflow checkers and add fallback code

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Message-ID: <55AC6F46.80606@oracle.com>
Date:	Sun, 19 Jul 2015 23:47:18 -0400
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Rasmus Villemoes <linux@...musvillemoes.dk>, mingo@...nel.org,
	akpm@...ux-foundation.org
CC:	linux-kernel@...r.kernel.org
Subject: Re: [RFC 1/3] compiler.h: enable builtin overflow checkers and add
 fallback code

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
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