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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/arch/ia32/include/atomic.h @ 2081

  → /trunk/kernel/arch/ia32/include/atomic.h @ 2082

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 2081 → Rev 2082

/trunk/kernel/arch/ia32/include/atomic.h
42,17 → 42,17
static inline void atomic_inc(atomic_t *val) {
#ifdef CONFIG_SMP
__asm__ volatile ("lock incl %0\n" : "=m" (val->count));
asm volatile ("lock incl %0\n" : "=m" (val->count));
#else
__asm__ volatile ("incl %0\n" : "=m" (val->count));
asm volatile ("incl %0\n" : "=m" (val->count));
#endif /* CONFIG_SMP */
}
static inline void atomic_dec(atomic_t *val) {
#ifdef CONFIG_SMP
__asm__ volatile ("lock decl %0\n" : "=m" (val->count));
asm volatile ("lock decl %0\n" : "=m" (val->count));
#else
__asm__ volatile ("decl %0\n" : "=m" (val->count));
asm volatile ("decl %0\n" : "=m" (val->count));
#endif /* CONFIG_SMP */
}
60,7 → 60,7
{
long r = 1;
__asm__ volatile (
asm volatile (
"lock xaddl %1, %0\n"
: "=m" (val->count), "+r" (r)
);
72,7 → 72,7
{
long r = -1;
__asm__ volatile (
asm volatile (
"lock xaddl %1, %0\n"
: "=m" (val->count), "+r"(r)
);
86,7 → 86,7
static inline uint32_t test_and_set(atomic_t *val) {
uint32_t v;
__asm__ volatile (
asm volatile (
"movl $1, %0\n"
"xchgl %0, %1\n"
: "=r" (v),"=m" (val->count)
101,7 → 101,7
uint32_t tmp;
preemption_disable();
__asm__ volatile (
asm volatile (
"0:;"
#ifdef CONFIG_HT
"pause;" /* Pentium 4's HT love this instruction */