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-rw-r--r--arch/sh/kernel/process.c14
-rw-r--r--arch/sh/kernel/smp.c5
2 files changed, 9 insertions, 10 deletions
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 6dce9d0b81f..fd4f240b833 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -51,28 +51,24 @@ void enable_hlt(void)
EXPORT_SYMBOL(enable_hlt);
-void default_idle(void)
+void cpu_idle(void)
{
/* endless idle loop with no priority at all */
while (1) {
if (hlt_counter) {
- while (1)
- if (need_resched())
- break;
+ while (!need_resched())
+ cpu_relax();
} else {
while (!need_resched())
cpu_sleep();
}
+ preempt_enable_no_resched();
schedule();
+ preempt_disable();
}
}
-void cpu_idle(void)
-{
- default_idle();
-}
-
void machine_restart(char * __unused)
{
/* SR.BL=1 and invoke address error to let CPU reset (manual reset) */
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 5ecefc02896..59e49b18252 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -112,7 +112,9 @@ int __cpu_up(unsigned int cpu)
int start_secondary(void *unused)
{
- unsigned int cpu = smp_processor_id();
+ unsigned int cpu;
+
+ cpu = smp_processor_id();
atomic_inc(&init_mm.mm_count);
current->active_mm = &init_mm;
@@ -120,6 +122,7 @@ int start_secondary(void *unused)
smp_store_cpu_info(cpu);
__smp_slave_init(cpu);
+ preempt_disable();
per_cpu_trap_init();
atomic_inc(&cpus_booted);