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| author | Anton Blanchard <anton@samba.org> | 2013-06-05 13:02:26 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-06-20 17:04:30 +1000 |
| commit | 475e68cfdde39e6d95055999b0cb42fdb2bea0ca (patch) | |
| tree | 7fc4220b54705f3ad69e2f86ec27539ef99db644 /arch/powerpc/include/asm/processor.h | |
| parent | 1b7e0cbe4969dd4c2945b2fb8d6881a03b4d0ac7 (diff) | |
| download | op-kernel-dev-475e68cfdde39e6d95055999b0cb42fdb2bea0ca.zip op-kernel-dev-475e68cfdde39e6d95055999b0cb42fdb2bea0ca.tar.gz | |
powerpc: Align thread->fpr to 16 bytes
On newer CPUs we use VSX loads and stores to the thread->fpr array.
For best performance we need to ensure 16 byte alignment.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/processor.h')
| -rw-r--r-- | arch/powerpc/include/asm/processor.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 2b5a39c..9fe1129 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -200,7 +200,7 @@ struct thread_struct { #endif #endif /* FP and VSX 0-31 register set */ - double fpr[32][TS_FPRWIDTH]; + double fpr[32][TS_FPRWIDTH] __attribute__((aligned(16))); struct { unsigned int pad; |
