Commit-ID: 914fb85f01571233af199a78ed1f88d9268421fd Gitweb: http://git.kernel.org/tip/914fb85f01571233af199a78ed1f88d9268421fd Author: Anna-Maria Gleixner <anna-ma...@linutronix.de> AuthorDate: Sun, 27 Nov 2016 00:13:43 +0100 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Fri, 2 Dec 2016 00:52:37 +0100
arm64/cpuinfo: Make hotplug notifier symmetric 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. Signed-off-by: Anna-Maria Gleixner <anna-ma...@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de> Reviewed-by: Suzuki K Poulose <suzuki.poul...@arm.com> Cc: Catalin Marinas <catalin.mari...@arm.com> Cc: Will Deacon <will.dea...@arm.com> Cc: r...@linutronix.de Cc: linux-arm-ker...@lists.infradead.org Link: http://lkml.kernel.org/r/20161126231350.10321-16-bige...@linutronix.de Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- 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 b3d5b3e..19aad70 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; }
