From: Anna-Maria Gleixner <[email protected]> There is no requirement to keep the sysfs files around until the CPU is completely dead. Remove them during the DOWN_PREPARE notification. This is a preparatory patch for converting to the hotplug state machine.
Cc: Catalin Marinas <[email protected]> Cc: Will Deacon <[email protected]> Cc: [email protected] Signed-off-by: Anna-Maria Gleixner <[email protected]> Signed-off-by: Sebastian Andrzej Siewior <[email protected]> --- arch/arm64/kernel/cpuinfo.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index b3d5b3e8fbcb..19aad7041e14 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -272,9 +272,10 @@ static int cpuid_callback(struct notifier_block *nb, switch (action & ~CPU_TASKS_FROZEN) { case CPU_ONLINE: + case CPU_DOWN_FAILED: rc = cpuid_add_regs(cpu); break; - case CPU_DEAD: + case CPU_DOWN_PREPARE: rc = cpuid_remove_regs(cpu); break; } -- 2.10.2
