Commit 1a1b1d13 authored Jun 04, 2008 by Cyrill Gorcunov Committed by Thomas Gleixner Jun 05, 2008

x86: watchdog - check for CPU is being supported

This patch does check if CPU is being recongnized
before call the unreserve(). Since enable_lapic_nmi_watchdog()
does have such a check the same is make sense here too
in a sake of code consistency (but nothing more).

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: macro@linux-mips.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent 3ed3f062

arch/x86/kernel/cpu/perfctr-watchdog.c

+3 −1

Original line number	Original line	Diff line number	Diff line
	@@ -181,6 +181,8 @@ void disable_lapic_nmi_watchdog(void)
	return;		return;

	on_each_cpu(stop_apic_nmi_watchdog, NULL, 0, 1);		on_each_cpu(stop_apic_nmi_watchdog, NULL, 0, 1);

			if (wd_ops)
	wd_ops->unreserve();		wd_ops->unreserve();

	BUG_ON(atomic_read(&nmi_active) != 0);		BUG_ON(atomic_read(&nmi_active) != 0);