The patch titled
MN10300: make cpu_relax() invoke barrier()
has been added to the -mm tree. Its filename is
mn10300-make-cpu_relax-invoke-barrier.patch
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Subject: MN10300: make cpu_relax() invoke barrier()
From: David Howells <dhowells@xxxxxxxxxx>
Make cpu_relax() invoke barrier() to be the same as other arches.
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-mn10300/processor.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN include/asm-mn10300/processor.h~mn10300-make-cpu_relax-invoke-barrier include/asm-mn10300/processor.h
--- a/include/asm-mn10300/processor.h~mn10300-make-cpu_relax-invoke-barrier
+++ a/include/asm-mn10300/processor.h
@@ -58,7 +58,7 @@ extern struct mn10300_cpuinfo boot_cpu_d
extern void identify_cpu(struct mn10300_cpuinfo *);
extern void print_cpu_info(struct mn10300_cpuinfo *);
extern void dodgy_tsc(void);
-#define cpu_relax() do {} while (0)
+#define cpu_relax() barrier()
/*
* User space process size: 1.75GB (default).
_
Patches currently in -mm which might be from dhowells@xxxxxxxxxx are
mn10300-replace-deprecated-topdir-with-newer-srctree.patch
mn10300-make-cpu_relax-invoke-barrier.patch
git-unionfs.patch
mutex-subsystem-synchro-test-module.patch
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