diff options
Diffstat (limited to 'arch/s390/kernel/smp.c')
| -rw-r--r-- | arch/s390/kernel/smp.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 5856b3fda6bf..bd5b311006be 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -263,7 +263,7 @@ static void do_machine_restart(void * __unused) int cpu; static atomic_t cpuid = ATOMIC_INIT(-1); - if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid)) + if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) != -1) signal_processor(smp_processor_id(), sigp_stop); /* Wait for all other cpus to enter stopped state */ @@ -313,7 +313,7 @@ static void do_machine_halt(void * __unused) { static atomic_t cpuid = ATOMIC_INIT(-1); - if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid) == 0) { + if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) == -1) { smp_send_stop(); if (MACHINE_IS_VM && strlen(vmhalt_cmd) > 0) cpcmd(vmhalt_cmd, NULL, 0, NULL); @@ -332,7 +332,7 @@ static void do_machine_power_off(void * __unused) { static atomic_t cpuid = ATOMIC_INIT(-1); - if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid) == 0) { + if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) == -1) { smp_send_stop(); if (MACHINE_IS_VM && strlen(vmpoff_cmd) > 0) cpcmd(vmpoff_cmd, NULL, 0, NULL); |