Commit 53ae3acd authored by Catalin Marinas's avatar Catalin Marinas

arm64: Only enable local interrupts after the CPU is marked online

There is a slight chance that (timer) interrupts are triggered before a
secondary CPU has been marked online with implications on softirq thread
affinity.
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Reported-by: default avatarKirill Tkhai <tkhai@yandex.ru>
parent ad81f054
......@@ -199,13 +199,6 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
raw_spin_lock(&boot_lock);
raw_spin_unlock(&boot_lock);
/*
* Enable local interrupts.
*/
notify_cpu_starting(cpu);
local_irq_enable();
local_fiq_enable();
/*
* OK, now it's safe to let the boot CPU continue. Wait for
* the CPU migration code to notice that the CPU is online
......@@ -214,6 +207,14 @@ asmlinkage void __cpuinit secondary_start_kernel(void)
set_cpu_online(cpu, true);
complete(&cpu_running);
/*
* Enable GIC and timers.
*/
notify_cpu_starting(cpu);
local_irq_enable();
local_fiq_enable();
/*
* OK, it's off to the idle thread for us
*/
......
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