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authorMauro Carvalho Chehab <mchehab@infradead.org>2008-07-23 14:10:23 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-23 14:10:23 -0300
commita4e0d9af403d099e751797f6cc69e4a8e2d78ef1 (patch)
tree6f4afdffe5dbaad7529be987b8c3259a07395031 /arch/x86/kernel/process.c
parentc60f2b5c1defb6b1345968e1c65c2008c221d57d (diff)
parentc010b2f76c3032e48097a6eef291d8593d5d79a6 (diff)
Merge ../linux-2.6
Diffstat (limited to 'arch/x86/kernel/process.c')
-rw-r--r--arch/x86/kernel/process.c5
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;