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

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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>
This commit is contained in:
Andi Kleen 2005-09-12 18:49:24 +02:00 committed by Linus Torvalds
parent 7055646348
commit b4452218c4
1 changed files with 5 additions and 0 deletions
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arch/x86_64/kernel/smpboot.c
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@ -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();