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authorEric W. Biederman <ebiederm@xmission.com>2009-11-17 04:01:34 -0500
committerEric W. Biederman <ebiederm@xmission.com>2009-11-17 04:01:34 -0500
commitbb9074ff58fe745e4f244f76209241909c82ec9c (patch)
treecf6be00ab88b1e315f6b74a896a370440f677599 /arch/sparc/include/asm/system_64.h
parent4739a9748e1bd7459f22f7e94e7d85710ca83954 (diff)
parent156171c71a0dc4bce12b4408bb1591f8fe32dc1a (diff)
Merge commit 'v2.6.32-rc7'
Resolve the conflict between v2.6.32-rc7 where dn_def_dev_handler gets a small bug fix and the sysctl tree where I am removing all sysctl strategy routines.
Diffstat (limited to 'arch/sparc/include/asm/system_64.h')
-rw-r--r--arch/sparc/include/asm/system_64.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h
index 25e848f0cad7..d47a98e66972 100644
--- a/arch/sparc/include/asm/system_64.h
+++ b/arch/sparc/include/asm/system_64.h
@@ -63,6 +63,10 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \
63 : : : "memory"); \ 63 : : : "memory"); \
64} while (0) 64} while (0)
65 65
66/* The kernel always executes in TSO memory model these days,
67 * and furthermore most sparc64 chips implement more stringent
68 * memory ordering than required by the specifications.
69 */
66#define mb() membar_safe("#StoreLoad") 70#define mb() membar_safe("#StoreLoad")
67#define rmb() __asm__ __volatile__("":::"memory") 71#define rmb() __asm__ __volatile__("":::"memory")
68#define wmb() __asm__ __volatile__("":::"memory") 72#define wmb() __asm__ __volatile__("":::"memory")