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SubjectRE: [PATCH 1/4] tile: Add support for handling PMC hardware
Date
>-----Original Message-----
>From: Peter Zijlstra [mailto:peterz@infradead.org]
>Sent: Thursday, March 06, 2014 5:11 PM
>To: Tony Lu
>Cc: Paul Mackerras; Ingo Molnar; Arnaldo Carvalho de Melo; Chris Metcalf;
>linux-kernel@vger.kernel.org
>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.

Thanks
-Tony



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