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Move sync into the delay slot here also.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle 20 年之前
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b63014ad2d
共有 1 个文件被更改,包括 3 次插入6 次删除
  1. 3 6
      include/asm-mips/spinlock.h

+ 3 - 6
include/asm-mips/spinlock.h

@@ -209,8 +209,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
 		"	 lui	%1, 0x8000				\n"
 		"	sc	%1, %0					\n"
 		"	beqzl	%1, 1b					\n"
-		"	 nop						\n"
-		"	sync						\n"
+		"	 sync						\n"
 		"	.set	reorder					\n"
 		: "=m" (rw->lock), "=&r" (tmp)
 		: "m" (rw->lock)
@@ -223,8 +222,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
 		"	 lui	%1, 0x8000				\n"
 		"	sc	%1, %0					\n"
 		"	beqz	%1, 1b					\n"
-		"	 nop						\n"
-		"	sync						\n"
+		"	 sync						\n"
 		"	.set	reorder					\n"
 		: "=m" (rw->lock), "=&r" (tmp)
 		: "m" (rw->lock)
@@ -258,8 +256,7 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
 		"	 lui	%1, 0x8000				\n"
 		"	sc	%1, %0					\n"
 		"	beqzl	%1, 1b					\n"
-		"	 nop						\n"
-		"	sync						\n"
+		"	 sync						\n"
 		"	li	%2, 1					\n"
 		"	.set	reorder					\n"
 		"2:							\n"