linux-kernel - Re: [patch] make hdrscheck.sh force __asm_

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Message-Id: <200706180154.42205.vapier@gentoo.org>
Date:	Mon, 18 Jun 2007 01:54:41 -0400
From:	Mike Frysinger <vapier@...too.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch] make hdrscheck.sh force __asm__ in exported headers

On Monday 18 June 2007, Andrew Morton wrote:
> Also, your changelog sucks:
>
>   This updates scripts/hdrschecks.sh by grepping for asm() constructs and
>   rejecting them in favor of __asm__() in exported headers.
>
> well OK.  But for what reason?  We can see a lot of pain in this patch but
> no gain.  The changelog should tell us what the benefit is, so we can make
> informed tradeoff decisions.

err, should have included the rationale in previous e-mail ...

we want to audit asm/volatile because both constructs will fail in userland 
builds when GNU extensions are turned off (like -std=c99) ... __asm__ and 
__volatile__ will work in both places.
-mike

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