linux-kernel - Re: [PATCH] x86-64 highres/dyntick support

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Message-Id: <1178617864.3042.309.camel@localhost.localdomain>
Date:	Tue, 08 May 2007 11:51:03 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Chris Wright <chrisw@...s-sol.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	john stultz <johnstul@...ibm.com>, Ingo Molnar <mingo@...e.hu>,
	Arjan van de Ven <arjan@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>, Andi Kleen <ak@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] x86-64 highres/dyntick support

On Tue, 2007-05-08 at 02:39 -0700, Chris Wright wrote:

> OK, looks very similar all things considered.  One thing I didn't do
> was fix lapic timer calibration (was hoping you'd do that part, and you
> did ;-)  I've noticed that something has changed and I'm seeing irq0
> handled on cpu3 (4 cpu system), where it used to be on cpu0 as expected.

Strange, irq balancing ?

> In addition lapic timer is firing there, and I'm seeing a higher
> interrupt load than I used to.  This is the same in your set and mine.

Is irq0 _and_ the lapic timer firing ?

	tglx


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