From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: memcpy() in swsusp (was: Re: [PATCH 2/2] Fix console
	handling during suspend/resume)
Date: Fri, 7 Jul 2006 10:20:16 +0200
Message-ID: <200607071020.16213.rjw@sisk.pl>
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	<200607062318.55787.rjw@sisk.pl>
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To: Dave Jones <davej@redhat.com>
Cc: David Brownell <david-b@pacbell.net>, linux-pm@lists.osdl.org, Nigel Cunningham <ncunningham@linuxmail.org>, Pavel Machek <pavel@ucw.cz>
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On Friday 07 July 2006 00:06, Dave Jones wrote:
> On Thu, Jul 06, 2006 at 11:18:55PM +0200, Rafael J. Wysocki wrote:
>  > On Thursday 06 July 2006 23:07, David Brownell wrote:
>  > > On Thursday 06 July 2006 2:01 pm, Dave Jones wrote:
>  > > =

>  > > > Why not just use __memcpy instead? Which should be safe on all arc=
hs
>  > > > to do the simplest possible memcpy.
>  > > =

>  > > Or __constant_memcpy(...PAGE_SIZE) ?  :)
>  > =

>  > Is __memcpy() defined on all architectures?  Eg. ppc?
> =

> Seems not.  __constant_memcpy is a gcc built-in though isn't it ?

Well, I'm not sure.  i386 and sparc define it explicitly.

Rafael