linux-kernel - Re: [RFC 1/3] Unified NMI delayed call mechanism

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Message-ID: <20100619080210.GC18946@basil.fritz.box>
Date:	Sat, 19 Jun 2010 10:02:10 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	huang ying <huang.ying.caritas@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	Huang Ying <ying.huang@...el.com>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>,
	Don Zickus <dzickus@...hat.com>,
	"H.PeterA" <"nvin hpa"@zytor.com>, linux-kernel@...r.kernel.org,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [RFC 1/3] Unified NMI delayed call mechanism

> > we can
> > use soft_irq as a backup of self interrupt (for systems without APIC
> > and maybe for other architectures). 
> 
> Whatever would you want to do that for.

The idea is that the work would be done latest on the next
timer interrupt as a fallback if APIC is not available.

That's what mce does already and it's probably approbiate
for most other users too.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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