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(parent: 87c448c) | patch
[POWERPC] ppc32: Fix errata for 603 CPUs
authorKumar Gala <galak@kernel.crashing.org>
Mon, 21 Apr 2008 19:09:44 +0000 (14:09 -0500)
committerKumar Gala <galak@kernel.crashing.org>
Mon, 21 Apr 2008 20:00:32 +0000 (15:00 -0500)
commitfc215fe7e6f0420afee0e0987fcc311929ee662f
treeabd10b165834136d6ec047c9363bc789566430bbtree | snapshot (tar.gz zip)
parent87c448c2f2dd734910617274637e726c82d0af25commit | diff
[POWERPC] ppc32: Fix errata for 603 CPUs

603 CPUs have the same issue that some 750 CPUs have in that they can crash
in funny ways if a store from an FPU register instruction is executed on a
register that has never been initialized since power on.  This patch fixes
it by making sure all FP registers have been properly initialized at kernel
boot.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
arch/powerpc/kernel/cpu_setup_6xx.S diff | blob | blame | history