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authorJochen Friedrich <jochen@scram.de>2007-08-28 13:20:48 +0200
committerKumar Gala <galak@kernel.crashing.org>2007-09-10 16:01:22 -0500
commit36c50f729b77144cae8d43457fefca66a4eeff6a (patch)
treeb787678172ddfc4c1c6c4901b25ccd581cb67376 /arch/powerpc
parent2af8569dc9f29c303bf4aa012d991afcfaeed0c3 (diff)
downloadop-kernel-dev-36c50f729b77144cae8d43457fefca66a4eeff6a.zip
op-kernel-dev-36c50f729b77144cae8d43457fefca66a4eeff6a.tar.gz
[PPC] 8xx: Fix r3 trashing due to 8MB TLB page instantiation
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> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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