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authorAshish Kalra <Ashish.Kalra@freescale.com>2011-04-22 16:48:27 -0500
committerKumar Gala <galak@kernel.crashing.org>2011-06-22 21:44:55 -0500
commit1325a684b553d4b5c41ae0482f8991b43f945746 (patch)
tree38c6be6cc62f49dd5ef44f9fc4e7f347cf3dd845 /arch/cris/arch-v32
parentdc2c9c52b604f51b1416ed87ff54a1c77a1a8b5b (diff)
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powerpc/85xx: Save scratch registers to thread info instead of using SPRGs.
We expect this is actually faster, and we end up needing more space than we can get from the SPRGs in some instances. This is also useful when running as a guest OS - SPRGs4-7 do not have guest versions. 8 slots are allocated in thread_info for this even though we only actually use 4 of them - this allows space for future code to have more scratch space (and we know we'll need it for things like hugetlb). Signed-off-by: Ashish Kalra <Ashish.Kalra@freescale.com> Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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