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Date:	Thu, 6 Mar 2014 10:12:54 +0000
From:	Tony Lu <>
To:	Peter Zijlstra <>
CC:	Paul Mackerras <>, Ingo Molnar <>,
	Arnaldo Carvalho de Melo <>,
	Chris Metcalf <>,
	"" <>
Subject: RE: [PATCH 1/4] tile: Add support for handling PMC hardware

>-----Original Message-----
>From: Peter Zijlstra []
>Sent: Thursday, March 06, 2014 5:11 PM
>To: Tony Lu
>Cc: Paul Mackerras; Ingo Molnar; Arnaldo Carvalho de Melo; Chris Metcalf;
>Subject: Re: [PATCH 1/4] tile: Add support for handling PMC hardware
>On Thu, Mar 06, 2014 at 06:13:48AM +0000, Tony Lu wrote:
>The changelogs are all very sparse. But in general the stuff looks to
>have the right shape.
>It looks like you do software NMIs with interrupt priority levels; which
>is a perfectly fine way, other archs do the same.
>One thing I didn't spot is a tile irq_work implementation; perf likes to
>have one.

We do not have tile irq_work for now. It seems like perf works fine even without the arch irq_work. Anyway, we will investigate it, and submit it as a separate patch when it gets ready.


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