Commit b4452218 authored Sep 12, 2005 by Andi Kleen Committed by Linus Torvalds Sep 12, 2005

[PATCH] x86-64: Enable interrupts during delay calibration on APs



We used to disable them to work around a bug, but that
is not needed anymore. Keeping them enabled avoids the NMI
watchdog triggering in some cases.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 70556463

arch/x86_64/kernel/smpboot.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -413,8 +413,13 @@ void __cpuinit smp_callin(void)

		/*
		* Get our bogomips.
		*
		* Need to enable IRQs because it can take longer and then
		* the NMI watchdog might kill us.
		*/
		local_irq_enable();
		calibrate_delay();
		local_irq_disable();
		Dprintk("Stack at about %p\n",&cpuid);

		disable_APIC_timer();