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From: Franck Bui-Huu <vagabon.xyz@gmail.com>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: ralf@linux-mips.org, linux-mips@linux-mips.org
Subject: Re: [PATCH] Kill __bzero()
Date: Sun, 04 Nov 2007 21:02:56 +0100	[thread overview]
Message-ID: <472E2570.3020403@gmail.com> (raw)
In-Reply-To: <20071105.004208.74752504.anemo@mba.ocn.ne.jp>

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

  reply	other threads:[~2007-11-04 20:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-04  8:18 [PATCH] Kill __bzero() Franck Bui-Huu
2007-11-04 15:42 ` Atsushi Nemoto
2007-11-04 20:02   ` Franck Bui-Huu [this message]
2007-11-05 11:24 ` Ralf Baechle
2007-11-05 21:51   ` Franck Bui-Huu
2007-11-05 23:18     ` Ralf Baechle
2007-11-06  7:42       ` Franck Bui-Huu
2007-11-06 10:36         ` Ralf Baechle
2007-11-06 16:18           ` Franck Bui-Huu

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