| To: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl> |
|---|---|
| Subject: | Re: memcpy.S patch in 64-bit |
| From: | Ralf Baechle <ralf@oss.sgi.com> |
| Date: | Thu, 8 Aug 2002 17:42:46 +0200 |
| Cc: | Carsten Langgaard <carstenl@mips.com>, linux-mips@oss.sgi.com |
| In-reply-to: | <Pine.GSO.3.96.1020808170518.13783D-100000@delta.ds2.pg.gda.pl>; from macro@ds2.pg.gda.pl on Thu, Aug 08, 2002 at 05:08:07PM +0200 |
| References: | <3D52711F.D5C6A8FC@mips.com> <Pine.GSO.3.96.1020808170518.13783D-100000@delta.ds2.pg.gda.pl> |
| Sender: | owner-linux-mips@oss.sgi.com |
| User-agent: | Mutt/1.2.5.1i |
On Thu, Aug 08, 2002 at 05:08:07PM +0200, Maciej W. Rozycki wrote: > > The __copy_user function (in arch/mips64/lib/memcpy.S) calls __bzero. > > We can't do that because __bzero might modify len, which we want to > > return in case of an error. > > The following patch take care of the problem. > > Hmm, how about simply cloning arch/mips/lib/memcpy.S? It seems: > > 1. Designed to work on mips64 as well. > > 2. More up to date. > > And it would ease maintenance. Right but Carsten's patch is already ready, so I'm going to use it for now. Ralf |
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