While we properly disabled the per-CPU timer interrupt, we also need to
make sure that all interrupts that can possibly have this CPU in their
smp_affinity mask also have a chance to see this interrupt migrated to a
CPU not being taken offline.
Fixes: 230b6ff57552 ("MIPS: BMIPS: Mask off timer IRQs when hot-unplugging a CPU")
Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
arch/mips/kernel/smp-bmips.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index 6d0f1321e084..37dffda8f16b 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -365,6 +365,8 @@ static int bmips_cpu_disable(void)
set_cpu_online(cpu, false);
calculate_cpu_foreign_map();
cpumask_clear_cpu(cpu, &cpu_callin_map);
+
+ irq_cpu_offline();
clear_c0_status(IE_IRQ5);
local_flush_tlb_all();
--
2.7.4
