From: Yong Zhang <yong.zhang@xxxxxxxxxxxxx> Just to catch a potential issue. Signed-off-by: Yong Zhang <yong.zhang0@xxxxxxxxx> --- arch/mips/kernel/smp.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 042145f..0d48598 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -130,6 +130,11 @@ asmlinkage __cpuinit void start_secondary(void) synchronise_count_slave(); + /* + * irq will be enabled in ->smp_finish(), enable it too early + * is dangerous. + */ + WARN_ON_ONCE(!irqs_disabled()); mp_ops->smp_finish(); cpu_idle(); -- 1.7.1
