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| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-31 13:33:50 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-31 13:33:50 +1030 |
| commit | 558f6ab9106e6be701acb0257e7171df1bbccf04 (patch) | |
| tree | 6e811633baeb676693c493f6c82bf785cab2771d /arch/x86/kernel/process.c | |
| parent | 15f7176eb1cccec0a332541285ee752b935c1c85 (diff) | |
| parent | 65fb0d23fcddd8697c871047b700c78817bdaa43 (diff) | |
Merge branch 'cpumask-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
Conflicts:
arch/x86/include/asm/topology.h
drivers/oprofile/buffer_sync.c
(Both cases: changed in Linus' tree, removed in Ingo's).
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 156f87582c6c..25e28087a3ee 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -325,7 +325,7 @@ void stop_this_cpu(void *dummy) /* * Remove this CPU: */ - cpu_clear(smp_processor_id(), cpu_online_map); + set_cpu_online(smp_processor_id(), false); disable_local_APIC(); for (;;) { @@ -475,12 +475,13 @@ static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c) return 1; } -static cpumask_t c1e_mask = CPU_MASK_NONE; +static cpumask_var_t c1e_mask; static int c1e_detected; void c1e_remove_cpu(int cpu) { - cpu_clear(cpu, c1e_mask); + if (c1e_mask != NULL) + cpumask_clear_cpu(cpu, c1e_mask); } /* @@ -509,8 +510,8 @@ static void c1e_idle(void) if (c1e_detected) { int cpu = smp_processor_id(); - if (!cpu_isset(cpu, c1e_mask)) { - cpu_set(cpu, c1e_mask); + if (!cpumask_test_cpu(cpu, c1e_mask)) { + cpumask_set_cpu(cpu, c1e_mask); /* * Force broadcast so ACPI can not interfere. Needs * to run with interrupts enabled as it uses @@ -562,6 +563,15 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c) pm_idle = default_idle; } +void __init init_c1e_mask(void) +{ + /* If we're using c1e_idle, we need to allocate c1e_mask. */ + if (pm_idle == c1e_idle) { + alloc_cpumask_var(&c1e_mask, GFP_KERNEL); + cpumask_clear(c1e_mask); + } +} + static int __init idle_setup(char *str) { if (!str) |