From: Marcelo Tosatti <marcelo@kvack.org>
To: Jochen Friedrich <jochen@scram.de>, Paul Mackerras <paulus@samba.org>
Cc: linux-kernel@vger.kernel.org, linuxppc-embedded@ozlabs.org
Subject: Re: [PATCH] ppc32/8xx: Fix r3 trashing due to 8MB TLB page instantiation
Date: Wed, 29 Aug 2007 08:22:43 -0400 [thread overview]
Message-ID: <20070829122243.GA21150@dmt> (raw)
In-Reply-To: <46D40510.3060805@scram.de>
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@kvack.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@scram.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
next prev parent reply other threads:[~2007-08-29 13:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-28 11:20 [PATCH] ppc32/8xx: Fix r3 trashing due to 8MB TLB page instantiation Jochen Friedrich
2007-08-29 12:22 ` Marcelo Tosatti [this message]
2007-08-29 23:08 ` Kumar Gala
2007-08-30 8:48 ` Jochen Friedrich
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