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Add rewrite of rep_nop
[userspace-rcu.git]
/
arch_x86.h
diff --git
a/arch_x86.h
b/arch_x86.h
index 9e0079d6a5a7fc8fee6e81e0ea26d80995446450..4a2573e0f52934e3a2635516ad5f66cfd7c5c563 100644
(file)
--- a/
arch_x86.h
+++ b/
arch_x86.h
@@
-84,6
+84,11
@@
/* Nop everywhere except on alpha. */
#define smp_read_barrier_depends()
+static inline void rep_nop(void)
+{
+ asm volatile("rep; nop" : : : "memory");
+}
+
static inline void cpu_relax(void)
{
rep_nop();
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