diff options
| author | Andi Kleen <ak@suse.de> | 2005-09-12 18:49:24 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-12 19:49:55 +0200 |
| commit | b4452218c4b7a579056d439b73a668b71654c137 (patch) | |
| tree | a83d03b2bfc5a33a2f89a3d6b677b764ea3ac183 | |
| parent | [PATCH] x86-64: Use largest APIC number, not number of CPUs to decide on phys... (diff) | |
| download | linux-b4452218c4b7a579056d439b73a668b71654c137.tar.xz linux-b4452218c4b7a579056d439b73a668b71654c137.zip | |
[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>
| -rw-r--r-- | arch/x86_64/kernel/smpboot.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 4efe36fe99aa..277ce5e91e04 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -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(); |