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| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-13 04:19:49 (GMT) |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-13 04:19:49 (GMT) |
| commit | bc9b83dd1f66402b870301c3c7117b9c1484abb4 (patch) | |
| tree | 2a6566442b859e7366402d044b5844ddb57fb7d4 /arch/x86 | |
| parent | d3d2e7f24384cccedd29a0582ad4b014ac646abc (diff) | |
| download | linux-bc9b83dd1f66402b870301c3c7117b9c1484abb4.tar.xz | |
cpumask: convert c1e_mask in arch/x86/kernel/process.c to cpumask_var_t.
Impact: reduce kernel size when CONFIG_CPUMASK_OFFSTACK=y
Simple conversion.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/process.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 6afa523..cad5431 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -474,12 +474,12 @@ 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); + cpumask_clear_cpu(cpu, c1e_mask); } /* @@ -508,8 +508,8 @@ 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 @@ -556,6 +556,8 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c) pm_idle = mwait_idle; } else if (check_c1e_idle(c)) { printk(KERN_INFO "using C1E aware idle routine\n"); + alloc_cpumask_var(&c1e_mask, GFP_KERNEL); + cpumask_clear(c1e_mask); pm_idle = c1e_idle; } else pm_idle = default_idle; |