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authorPalmer Dabbelt <palmer@sifive.com>2017-11-28 14:03:55 -0800
committerPalmer Dabbelt <palmer@sifive.com>2017-11-28 14:03:55 -0800
commit3343eb6806f365b9e3d451040671fa9336e57513 (patch)
tree8b087a641a0998459b4472d6eef62d6204c78488
parent61a60d35b7d1b0b3a31bc21d15805a3654f60920 (diff)
downloadlinux-tile-3343eb6806f365b9e3d451040671fa9336e57513.tar.gz
RISC-V: Remove smb_mb__{before,after}_spinlock()
These are obselete. Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
-rw-r--r--arch/riscv/include/asm/barrier.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h
index 455ee16127fbcc..773c4e039cd728 100644
--- a/arch/riscv/include/asm/barrier.h
+++ b/arch/riscv/include/asm/barrier.h
@@ -38,14 +38,6 @@
#define smp_rmb() RISCV_FENCE(r,r)
#define smp_wmb() RISCV_FENCE(w,w)
-/*
- * These barriers prevent accesses performed outside a spinlock from being moved
- * inside a spinlock. Since RISC-V sets the aq/rl bits on our spinlock only
- * enforce release consistency, we need full fences here.
- */
-#define smb_mb__before_spinlock() smp_mb()
-#define smb_mb__after_spinlock() smp_mb()
-
#include <asm-generic/barrier.h>
#endif /* __ASSEMBLY__ */