Patchwork [2/4] powerpc/85xx: Remove -Wa,-me500

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Submitter Scott Wood
Date Aug. 21, 2013, 2:12 a.m.
Message ID <1377051162-2588-3-git-send-email-scottwood@freescale.com>
Download mbox | patch
Permalink /patch/268670/
State Accepted, archived
Commit f49596a4cf4753d13951608f24f939a59fdcc653
Delegated to: Scott Wood
Headers show

Comments

Scott Wood - Aug. 21, 2013, 2:12 a.m.
This caused lwsync to be converted to sync on 64-bit (on 32-bit lwsync
is generated at runtime, and so wasn't affected).  Not using lwsync
caused a significant slowdown on certain workloads.

Setting this flag for any e500-enabled build is also not friendly to
multiplatform kernels.

Signed-off-by: Scott Wood <scottwood@freescale.com>
---
 arch/powerpc/Makefile | 1 -
 1 file changed, 1 deletion(-)

Patch

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 967fd23..6930c93 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -139,7 +139,6 @@  endif
 
 cpu-as-$(CONFIG_4xx)		+= -Wa,-m405
 cpu-as-$(CONFIG_ALTIVEC)	+= -Wa,-maltivec
-cpu-as-$(CONFIG_E500)		+= -Wa,-me500
 cpu-as-$(CONFIG_E200)		+= -Wa,-me200
 
 KBUILD_AFLAGS += $(cpu-as-y)