diff options
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r-- | arch/x86/kernel/smpboot.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index ee886fe10ef4..763df77343dd 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -97,12 +97,12 @@ static DEFINE_PER_CPU(struct task_struct *, idle_thread_array); */ static DEFINE_MUTEX(x86_cpu_hotplug_driver_mutex); -void cpu_hotplug_driver_lock() +void cpu_hotplug_driver_lock(void) { mutex_lock(&x86_cpu_hotplug_driver_mutex); } -void cpu_hotplug_driver_unlock() +void cpu_hotplug_driver_unlock(void) { mutex_unlock(&x86_cpu_hotplug_driver_mutex); } @@ -427,7 +427,7 @@ void __cpuinit set_cpu_sibling_map(int cpu) cpumask_set_cpu(cpu, c->llc_shared_map); - if (current_cpu_data.x86_max_cores == 1) { + if (__this_cpu_read(cpu_info.x86_max_cores) == 1) { cpumask_copy(cpu_core_mask(cpu), cpu_sibling_mask(cpu)); c->booted_cores = 1; return; @@ -1089,7 +1089,7 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) preempt_disable(); smp_cpu_index_default(); - current_cpu_data = boot_cpu_data; + memcpy(__this_cpu_ptr(&cpu_info), &boot_cpu_data, sizeof(cpu_info)); cpumask_copy(cpu_callin_mask, cpumask_of(0)); mb(); /* @@ -1383,7 +1383,7 @@ void play_dead_common(void) mb(); /* Ack it */ - __get_cpu_var(cpu_state) = CPU_DEAD; + __this_cpu_write(cpu_state, CPU_DEAD); /* * With physical CPU hotplug, we should halt the cpu @@ -1403,11 +1403,11 @@ static inline void mwait_play_dead(void) int i; void *mwait_ptr; - if (!cpu_has(¤t_cpu_data, X86_FEATURE_MWAIT)) + if (!cpu_has(__this_cpu_ptr(&cpu_info), X86_FEATURE_MWAIT)) return; - if (!cpu_has(¤t_cpu_data, X86_FEATURE_CLFLSH)) + if (!cpu_has(__this_cpu_ptr(&cpu_info), X86_FEATURE_CLFLSH)) return; - if (current_cpu_data.cpuid_level < CPUID_MWAIT_LEAF) + if (__this_cpu_read(cpu_info.cpuid_level) < CPUID_MWAIT_LEAF) return; eax = CPUID_MWAIT_LEAF; @@ -1458,7 +1458,7 @@ static inline void mwait_play_dead(void) static inline void hlt_play_dead(void) { - if (current_cpu_data.x86 >= 4) + if (__this_cpu_read(cpu_info.x86) >= 4) wbinvd(); while (1) { |