linux-kernel - Re: [PATCH] IA64/perfmon: kill dead code, clean irq handling

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Message-ID: <4720592D.4030604@garzik.org>
Date:	Thu, 25 Oct 2007 04:51:57 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	eranian@....hp.com
CC:	tony.luck@...el.com, linux-ia64@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, joshua.i.stone@...el.com,
	juan.villacis@...el.com
Subject: Re: [PATCH] IA64/perfmon: kill dead code, clean irq handling

Stephane Eranian wrote:
> Jeff,
> 
> On Tue, Oct 23, 2007 at 07:09:08PM -0400, Jeff Garzik wrote:
>> By deleting unused code, this makes perfmon irq handling more efficient,
>> as well as reducing code size.
>>
>> * remove unused pfm_install_alt_pmu_interrupt()
>> * remove unused pfm_remove_alt_pmu_interrupt()
>>
> I have not problem with the patch except maybe for those two functions.
> How do you know they are not used?
> Have you checked the VTUNE open-source driver?
> I thought at some point they were using this hook.

I was hoping some IA-64 person could speak authoritatively on the subject :)

	Jeff



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