diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/smpboot_64.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c index 9f4935e70e7..4f6d9768648 100644 --- a/arch/x86/kernel/smpboot_64.c +++ b/arch/x86/kernel/smpboot_64.c @@ -100,6 +100,13 @@ static void __cpuinit smp_store_cpu_info(int id) print_cpu_info(c); } +static inline void wait_for_init_deassert(atomic_t *deassert) +{ + while (!atomic_read(deassert)) + cpu_relax(); + return; +} + static atomic_t init_deasserted __cpuinitdata; /* @@ -117,8 +124,7 @@ void __cpuinit smp_callin(void) * our local APIC. We have to wait for the IPI or we'll * lock up on an APIC access. */ - while (!atomic_read(&init_deasserted)) - cpu_relax(); + wait_for_init_deassert(&init_deasserted); /* * (This works even if the APIC is not enabled.) |