From: Yong Zhang <yong.zhang@xxxxxxxxxxxxx> We have move irq enable to ->smp_finish. Place ->smp_finish() a little late to prepare for move set_cpu_online() into start_secondary. And it's not necessary to call cpu_set(cpu, cpu_callin_map) and synchronise_count_slave() with irq enabled. Signed-off-by: Yong Zhang <yong.zhang0@xxxxxxxxx> --- arch/mips/kernel/smp.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index ba9376b..73a268a 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -122,13 +122,14 @@ asmlinkage __cpuinit void start_secondary(void) notify_cpu_starting(cpu); - mp_ops->smp_finish(); set_cpu_sibling_map(cpu); cpu_set(cpu, cpu_callin_map); synchronise_count_slave(); + mp_ops->smp_finish(); + cpu_idle(); } -- 1.7.1
