The patch titled
m68k: small system.h cleanup
has been added to the -mm tree. Its filename is
m68k-small-systemh-cleanup.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: m68k: small system.h cleanup
From: Roman Zippel <zippel@xxxxxxxxxxxxxx>
avoid unnecessary xchg() use in set_mb()
Signed-off-by: Roman Zippel <zippel@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/asm-m68k/system.h | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff -puN include/asm-m68k/system.h~m68k-small-systemh-cleanup include/asm-m68k/system.h
--- a/include/asm-m68k/system.h~m68k-small-systemh-cleanup
+++ a/include/asm-m68k/system.h
@@ -78,13 +78,13 @@ static inline int irqs_disabled(void)
#define mb() barrier()
#define rmb() barrier()
#define wmb() barrier()
-#define read_barrier_depends() do { } while(0)
-#define set_mb(var, value) do { xchg(&var, value); } while (0)
+#define read_barrier_depends() ((void)0)
+#define set_mb(var, value) ({ (var) = (value); wmb(); })
#define smp_mb() barrier()
#define smp_rmb() barrier()
#define smp_wmb() barrier()
-#define smp_read_barrier_depends() do { } while(0)
+#define smp_read_barrier_depends() ((void)0)
#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
_
Patches currently in -mm which might be from zippel@xxxxxxxxxxxxxx are
w1-kconfig-fix.patch
provide-tickadj-define.patch
m68k-cleanup-string-functions.patch
m68k-fix-type-in-__generic_copy_to_user.patch
m68k-small-systemh-cleanup.patch
m68k-fix-nbpg-define.patch
-
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