linux-kernel - Re: [PATCH] ppc32/8xx: Fix r3 trashing due to 8MB TLB page instantiation

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Message-ID: <20070829122243.GA21150@dmt>
Date:	Wed, 29 Aug 2007 08:22:43 -0400
From:	Marcelo Tosatti <marcelo@...ck.org>
To:	Jochen Friedrich <jochen@...am.de>,
	Paul Mackerras <paulus@...ba.org>
Cc:	linuxppc-embedded@...abs.org, linux-kernel@...r.kernel.org,
	Marcelo Tosatti <marcelo@...ck.org>
Subject: Re: [PATCH] ppc32/8xx: Fix r3 trashing due to 8MB TLB page instantiation


Please apply. 

On Tue, Aug 28, 2007 at 01:20:48PM +0200, Jochen Friedrich wrote:
> Instantiation of 8MB pages on the TLB cache for the kernel static
> mapping trashes r3 register on !CONFIG_8xx_CPU6 configurations.
> This ensures r3 gets saved and restored.
> 
> This has been posted to linuxppc-embedded by Marcelo Tosatti
> <marcelo@...ck.org>, but only an incomplete version of the patch
> has been applied in c51e078f82096a7d35ac8ec2416272e843a0e1c4.
> This patch adds the rest of the fix.
> 
> Signed-off-by: Jochen Friedrich <jochen@...am.de>
> ---
>  arch/ppc/kernel/head_8xx.S |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
> 
> This can be pulled from git://git.bocc.de/dbox2.git ppc-fixes


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