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authorIngo Molnar <mingo@elte.hu>2008-10-12 06:35:23 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-12 06:37:32 -0400
commit365d46dc9be9b3c833990a06f3994b1987eda578 (patch)
tree9397d1304144a288411f2118707f44ff5e862fa6 /include/asm-x86/spinlock.h
parent5dc64a3442b98eaa0e3730c35fcf00cf962a93e7 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
Merge branch 'linus' into x86/xen
Conflicts: arch/x86/kernel/cpu/common.c arch/x86/kernel/process_64.c arch/x86/xen/enlighten.c
Diffstat (limited to 'include/asm-x86/spinlock.h')
-rw-r--r--include/asm-x86/spinlock.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/asm-x86/spinlock.h b/include/asm-x86/spinlock.h
index b755ea86367e..8badab09146b 100644
--- a/include/asm-x86/spinlock.h
+++ b/include/asm-x86/spinlock.h
@@ -1,5 +1,5 @@
1#ifndef _X86_SPINLOCK_H_ 1#ifndef ASM_X86__SPINLOCK_H
2#define _X86_SPINLOCK_H_ 2#define ASM_X86__SPINLOCK_H
3 3
4#include <asm/atomic.h> 4#include <asm/atomic.h>
5#include <asm/rwlock.h> 5#include <asm/rwlock.h>
@@ -97,7 +97,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
97 "jne 1f\n\t" 97 "jne 1f\n\t"
98 "movw %w0,%w1\n\t" 98 "movw %w0,%w1\n\t"
99 "incb %h1\n\t" 99 "incb %h1\n\t"
100 "lock ; cmpxchgw %w1,%2\n\t" 100 LOCK_PREFIX "cmpxchgw %w1,%2\n\t"
101 "1:" 101 "1:"
102 "sete %b1\n\t" 102 "sete %b1\n\t"
103 "movzbl %b1,%0\n\t" 103 "movzbl %b1,%0\n\t"
@@ -135,7 +135,7 @@ static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
135 int inc = 0x00010000; 135 int inc = 0x00010000;
136 int tmp; 136 int tmp;
137 137
138 asm volatile("lock ; xaddl %0, %1\n" 138 asm volatile(LOCK_PREFIX "xaddl %0, %1\n"
139 "movzwl %w0, %2\n\t" 139 "movzwl %w0, %2\n\t"
140 "shrl $16, %0\n\t" 140 "shrl $16, %0\n\t"
141 "1:\t" 141 "1:\t"
@@ -162,7 +162,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
162 "cmpl %0,%1\n\t" 162 "cmpl %0,%1\n\t"
163 "jne 1f\n\t" 163 "jne 1f\n\t"
164 "addl $0x00010000, %1\n\t" 164 "addl $0x00010000, %1\n\t"
165 "lock ; cmpxchgl %1,%2\n\t" 165 LOCK_PREFIX "cmpxchgl %1,%2\n\t"
166 "1:" 166 "1:"
167 "sete %b1\n\t" 167 "sete %b1\n\t"
168 "movzbl %b1,%0\n\t" 168 "movzbl %b1,%0\n\t"
@@ -371,4 +371,4 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
371#define _raw_read_relax(lock) cpu_relax() 371#define _raw_read_relax(lock) cpu_relax()
372#define _raw_write_relax(lock) cpu_relax() 372#define _raw_write_relax(lock) cpu_relax()
373 373
374#endif 374#endif /* ASM_X86__SPINLOCK_H */