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#else
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#else
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    __asm__ volatile ("decl (%0)\n" : : "r" (val));
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    __asm__ volatile ("decl (%0)\n" : : "r" (val));
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#endif /* __SMP__ */
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#endif /* __SMP__ */
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}
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}
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static inline int test_and_set(int *val) {
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static inline int test_and_set(volatile int *val) {
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    int v;
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    int v;
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    __asm__ volatile (
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    __asm__ volatile (
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        "movl $1, %0\n"
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        "movl $1, %0\n"
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        "xchgl %0, (%1)\n"
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        "xchgl %0, (%1)\n"
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    return v;
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    return v;
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}
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}
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extern void spinlock_arch(int *val);
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extern void spinlock_arch(volatile int *val);
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#endif
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#endif