Commit 475e68cf authored Jun 05, 2013 by Anton Blanchard Committed by Benjamin Herrenschmidt Jun 20, 2013

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>

parent 1b7e0cbe

arch/powerpc/include/asm/processor.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;