From f80be5e3d5aaea26c7351f4f08ab67fc4325a4ff Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sat, 19 Mar 2016 12:17:24 +0100 Subject: [PATCH] x86/hpet: Use proper mask to modify hotplug action Magic hex constants are a guarantee for wreckage when the defines change. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/hpet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index be0ebbb6d1d1..a1f0e4a5c47e 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -717,7 +717,7 @@ static int hpet_cpuhp_notify(struct notifier_block *n, struct hpet_work_struct work; struct hpet_dev *hdev = per_cpu(cpu_hpet_dev, cpu); - switch (action & 0xf) { + switch (action & ~CPU_TASKS_FROZEN) { case CPU_ONLINE: INIT_DELAYED_WORK_ONSTACK(&work.work, hpet_work); init_completion(&work.complete); -- 2.20.1