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• This comparison shows the changes necessary to convert path

  → /kernel/trunk/arch/ppc32/include/atomic.h @ 989

  → /kernel/trunk/arch/ppc32/include/atomic.h @ 990

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 989 → Rev 990

/kernel/trunk/arch/ppc32/include/atomic.h
33,17 → 33,32
typedef struct { volatile __u32 count; } atomic_t;
/*
* TODO: these are just placeholders for real implementations of atomic_inc and atomic_dec.
* WARNING: the following functions cause the code to be preemption-unsafe !!!
*/
static inline void atomic_inc(atomic_t *val) {
__u32 tmp;
static inline void atomic_inc(atomic_t *val) {
val->count++;
asm __volatile__ (
"1:\n"
"lwarx %0, 0, %2\n"
"addic %0, %0, 1\n"
"stwcx. %0, 0, %2\n"
"bne- 1b"
: "=&r" (tmp), "=m" (val->count)
: "r" (&val->count), "m" (val->count)
: "cc");
}
static inline void atomic_dec(atomic_t *val) {
val->count--;
__u32 tmp;
asm __volatile__(
"1:\n"
"lwarx %0, 0, %2\n"
"addic %0, %0, -1\n"
"stwcx. %0, 0, %2\n"
"bne- 1b"
: "=&r" (tmp), "=m" (val->count)
: "r" (&val->count), "m" (val->count)
: "cc");
}
static inline void atomic_set(atomic_t *val, __u32 i)