Re: [PATCH] 2.6.9: Only handle system NMIs on the BSP

[Andi Kleen]

On Wed, Nov 03, 2004 at 03:04:06AM +0000, Maciej W. Rozycki wrote:
> On Wed, 3 Nov 2004, Andi Kleen wrote:
> 
> > >  While discussing races in the NMI handler's trailer fiddling with RTC
> > > registers, I've discovered we incorrectly attempt to handle NMIs coming
> > > from the system (memory errors, IOCHK# assertions, etc.) with all
> > > processors even though the interrupts are only routed to the bootstrap
> > > processor.  If one of these events coincides with a NMI watchdog tick it
> > 
> > Where is this documented/guaranteed that only APs get such NMIs? 
> 
>  Only the BSP gets them (not APs) and it's we who arrange for that. ;-)  
> We only enable LVT1 on the BSP -- APs have this input masked.  See 
> setup_local_APIC().

Ok, then it's fine for me. Thanks. 

-Andi
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