diff options
Diffstat (limited to 'arch/sparc64/kernel')
| -rw-r--r-- | arch/sparc64/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c index 7d10b039709..2f89206e008 100644 --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -74,7 +74,9 @@ void cpu_idle(void) while (!need_resched()) barrier(); + preempt_enable_no_resched(); schedule(); + preempt_disable(); check_pgt_cache(); } } @@ -93,7 +95,9 @@ void cpu_idle(void) if (need_resched()) { unidle_me(); clear_thread_flag(TIF_POLLING_NRFLAG); + preempt_enable_no_resched(); schedule(); + preempt_disable(); set_thread_flag(TIF_POLLING_NRFLAG); check_pgt_cache(); } diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 5d90ee9aebf..8aca4b1dc04 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -168,6 +168,9 @@ void __init smp_callin(void) rmb(); cpu_set(cpuid, cpu_online_map); + + /* idle thread is expected to have preempt disabled */ + preempt_disable(); } void cpu_panic(void) |