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authorJustin Waters <justin.waters@timesys.com>2008-02-26 13:07:02 -0500
committerJustin Waters <justin.waters@timesys.com>2008-02-26 13:07:02 -0500
commitb80a32b9cc634adfa8eaef33ec981e7febf2ade2 (patch)
treef256bce13ba11f514a388160df84e1410bedbe2b /include/asm-mips/barrier.h
parent594133ef22fae0d737bd1b57352cf3f48a192c63 (diff)
Update the i.MX31 Kernel to 2.6.232.6.23-mx31ads-2008022618072.6.23-mx31-200802261807
This is the result of a brute-force attempt to update the kernel to 2.6.23. Now that we have a git tree, our effort will be a little nicer in the future. Signed-off-by: Justin Waters <justin.waters@timesys.com>
Diffstat (limited to 'include/asm-mips/barrier.h')
-rw-r--r--include/asm-mips/barrier.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-mips/barrier.h b/include/asm-mips/barrier.h
index ed82631b0017..9d8cfbb5e796 100644
--- a/include/asm-mips/barrier.h
+++ b/include/asm-mips/barrier.h
@@ -121,6 +121,11 @@
#else
#define __WEAK_ORDERING_MB " \n"
#endif
+#if defined(CONFIG_WEAK_REORDERING_BEYOND_LLSC) && defined(CONFIG_SMP)
+#define __WEAK_LLSC_MB " sync \n"
+#else
+#define __WEAK_LLSC_MB " \n"
+#endif
#define smp_mb() __asm__ __volatile__(__WEAK_ORDERING_MB : : :"memory")
#define smp_rmb() __asm__ __volatile__(__WEAK_ORDERING_MB : : :"memory")
@@ -129,4 +134,8 @@
#define set_mb(var, value) \
do { var = value; smp_mb(); } while (0)
+#define smp_llsc_mb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory")
+#define smp_llsc_rmb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory")
+#define smp_llsc_wmb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory")
+
#endif /* __ASM_BARRIER_H */