linux-kernel - Re: [PATCH] dma-debug: Allow archs to override check_for_illegal

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Date:	Sat, 15 Aug 2009 10:46:35 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	David Miller <davem@...emloft.net>
Cc:	joerg.roedel@....com, mingo@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dma-debug: Allow archs to override
	check_for_illegal_area


* David Miller <davem@...emloft.net> wrote:

> From: Ingo Molnar <mingo@...e.hu>
> Date: Wed, 12 Aug 2009 10:54:40 +0200
> 
> > 
> > * Joerg Roedel <joerg.roedel@....com> wrote:
> > 
> >> For some architectures (like sparc32) the default 
> >> check_for_illegal_area function does not work reliable. This patch 
> >> makes this function a weak symbol allowing architectures to 
> >> override it if necessary.
> >> 
> >> Signed-off-by: Joerg Roedel <joerg.roedel@....com>
> >> ---
> >>  lib/dma-debug.c |    9 ++++++---
> >>  1 files changed, 6 insertions(+), 3 deletions(-)
> > 
> > Dave, you indicated that sparc32 would address this problem 
> > differently. Do we still need this patch (for .31 for example)?
> 
> Don't worry about this purely for sparc32's sake.
> 
> We can revisit this patch if I can't sort out the sparc32 issue 
> locally.

Ok, thanks David!

	Ingo
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