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author | James Morris <jmorris@namei.org> | 2009-06-08 19:27:53 -0400 |
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committer | James Morris <jmorris@namei.org> | 2009-06-08 19:27:53 -0400 |
commit | 0b4ec6e4e01d98e55ae325a41304cccd87fa4c0f (patch) | |
tree | 1e075fdf4aaf0c5c003564b3f3414bb4a92ef2ed /arch/arm/include/asm/assembler.h | |
parent | 04288f42033607099cebf5ca15ce8dcec3a9688b (diff) | |
parent | 3af968e066d593bc4dacc021715f3e95ddf0996f (diff) |
Merge branch 'master' into next
Diffstat (limited to 'arch/arm/include/asm/assembler.h')
-rw-r--r-- | arch/arm/include/asm/assembler.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 6116e4893c0a..15f8a092b700 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h | |||
@@ -114,3 +114,16 @@ | |||
114 | .align 3; \ | 114 | .align 3; \ |
115 | .long 9999b,9001f; \ | 115 | .long 9999b,9001f; \ |
116 | .previous | 116 | .previous |
117 | |||
118 | /* | ||
119 | * SMP data memory barrier | ||
120 | */ | ||
121 | .macro smp_dmb | ||
122 | #ifdef CONFIG_SMP | ||
123 | #if __LINUX_ARM_ARCH__ >= 7 | ||
124 | dmb | ||
125 | #elif __LINUX_ARM_ARCH__ == 6 | ||
126 | mcr p15, 0, r0, c7, c10, 5 @ dmb | ||
127 | #endif | ||
128 | #endif | ||
129 | .endm | ||