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Message-ID: <472E2570.3020403@gmail.com>
Date:	Sun, 04 Nov 2007 21:02:56 +0100
From:	Franck Bui-Huu <vagabon.xyz@gmail.com>
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To:	Atsushi Nemoto <anemo@mba.ocn.ne.jp>
CC:	ralf@linux-mips.org, linux-mips@linux-mips.org
Subject: Re: [PATCH] Kill __bzero()
References: <472D8058.5080209@gmail.com> <20071105.004208.74752504.anemo@mba.ocn.ne.jp>
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Atsushi Nemoto wrote:
> On Sun, 04 Nov 2007 09:18:32 +0100, Franck Bui-Huu <fbuihuu@gmail.com> wrote:
>>   2/ For the caller, it makes no difference to call memset instead
>>   since it has to setup the second parameter of __bzero to 0.
> 
> __bzero() does not clobber v0 but memset() does.  I don't know if gcc
> does some magical thing to protect v0, but it would be safer to add v0
> explicitly to clobber-list of __clear_user().
> 

good catch ! I'll do it.

thanks
		Franck