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x86: add memory clobber in switch_to()
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
include
/
asm-x86
/
system.h
diff --git
a/include/asm-x86/system.h
b/include/asm-x86/system.h
index
34505dd
..
b20c894
100644
(file)
--- a/
include/asm-x86/system.h
+++ b/
include/asm-x86/system.h
@@
-64,7
+64,10
@@
do { \
\
/* regparm parameters for __switch_to(): */ \
[prev] "a" (prev), \
- [next] "d" (next)); \
+ [next] "d" (next) \
+ \
+ : /* reloaded segment registers */ \
+ "memory"); \
} while (0)
/*