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author | Ingo Molnar <mingo@elte.hu> | 2008-07-22 09:06:21 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-22 09:06:21 +0200 |
commit | 76c3bb15d6786a0b8da0ad0090e0c9c3672fc08b (patch) | |
tree | 3824e008db9d554229a70c85fbbc13238276bd7a /arch/x86/kernel/process.c | |
parent | 7be42004065ce4df193aeef5befd26805267d0d9 (diff) | |
parent | 93ded9b8fd42abe2c3607097963d8de6ad9117eb (diff) |
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r-- | arch/x86/kernel/process.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 4d629c62f4f..7fc4d5b0a6a 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -15,6 +15,7 @@ unsigned long idle_nomwait; EXPORT_SYMBOL(idle_nomwait); struct kmem_cache *task_xstate_cachep; +static int force_mwait __cpuinitdata; int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) { @@ -199,6 +200,7 @@ static void poll_idle(void) * * idle=mwait overrides this decision and forces the usage of mwait. */ +static int __cpuinitdata force_mwait; #define MWAIT_INFO 0x05 #define MWAIT_ECX_EXTENDED_INFO 0x01 @@ -326,6 +328,9 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c) static int __init idle_setup(char *str) { + if (!str) + return -EINVAL; + if (!strcmp(str, "poll")) { printk("using polling idle threads.\n"); pm_idle = poll_idle; |