linux-kernel - Re: [PATCH 2/8] [nmi watchdog] touch_softlockup cleanups and softlockup

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Message-ID: <20100513155313.GA5274@lenovo>
Date:	Thu, 13 May 2010 19:53:13 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Don Zickus <dzickus@...hat.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>, mingo@...e.hu,
	peterz@...radead.org, aris@...hat.com,
	linux-kernel@...r.kernel.org, randy.dunlap@...cle.com
Subject: Re: [PATCH 2/8] [nmi watchdog] touch_softlockup cleanups and
	softlockup_tick removal

On Wed, May 12, 2010 at 05:50:15PM -0400, Don Zickus wrote:
...
> > Guys, could you please spend a few minutes and enlighten me a bit?
> > Does all this series mean that we eventually will drop nmi-watchdog
> > via io-apic (read via pic) as only the transition to perf complete?
> > 
> > I recall someone said about to stop using io-apic, but just to be sure.
> 
> Right, this code sits on top of the perf subsystem which uses lapic.
> Eventually, the old nmi watchdog code will disappear along with the
> support for io-apic.
> 
> Cheers,
> Don
> 

Thanks for explanation, Don! So I assume (?) that io-apic
nmi-watchdog is going to be dropped due to obsolescense of
this mode, right?

	-- Cyrill
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