From: Yong Zhang <yong.zhang@xxxxxxxxxxxxx> To prevent a problem as commit 5fbd036b [sched: Cleanup cpu_active madness] and commit 2baab4e9 [sched: Fix select_fallback_rq() vs cpu_active/cpu_online] try to resolve, move set_cpu_online() to the brought up CPU and with irq disabled. Signed-off-by: Yong Zhang <yong.zhang0@xxxxxxxxx> Acked-by: David Daney <david.daney@xxxxxxxxxx> --- arch/mips/kernel/smp.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 73a268a..042145f 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -122,6 +122,8 @@ asmlinkage __cpuinit void start_secondary(void) notify_cpu_starting(cpu); + set_cpu_online(cpu, true); + set_cpu_sibling_map(cpu); cpu_set(cpu, cpu_callin_map); @@ -249,8 +251,6 @@ int __cpuinit __cpu_up(unsigned int cpu) while (!cpu_isset(cpu, cpu_callin_map)) udelay(100); - set_cpu_online(cpu, true); - return 0; } -- 1.7.5.4
