From: ebiederm@xmission.com (Eric W. Biederman)
To: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Jeff Garzik <jeff@garzik.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/9] Remove 'irq' argument from all irq handlers
Date: Fri, 19 Oct 2007 13:35:55 -0600 [thread overview]
Message-ID: <m1wstigan8.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <20071019190721.GA1514@elte.hu> (Ingo Molnar's message of "Fri, 19 Oct 2007 21:07:22 +0200")
Ingo Molnar <mingo@elte.hu> writes:
> * Eric W. Biederman <ebiederm@xmission.com> wrote:
>
>> > thanks for doing this.
>>
>> Yes. keeping this alive is good.
>>
>> The practical question is how do we make this change without breaking
>> the drivers that use their irq argument.
>
> the get_irq_regs() approach worked out really well. We should do a
> get_irq_nr() and be done with it?
The problem are some drivers today pass in 0 for their irq number
to flag that they are calling the interrupt handler in a polling
mode (not from interrupt context?) so the same logic doesn't quite apply.
Do what you suggest would likely break those drivers.
Eric
next prev parent reply other threads:[~2007-10-19 19:36 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-19 7:54 Jeff Garzik
2007-10-19 7:55 ` [PATCH 1/9] irq-remove: core Jeff Garzik
2007-10-19 17:27 ` Eric W. Biederman
2007-10-19 17:48 ` Jeff Garzik
2007-10-19 18:04 ` Eric W. Biederman
2007-10-19 18:21 ` Jeff Garzik
2007-10-19 19:50 ` Eric W. Biederman
2007-10-19 19:58 ` Jeff Garzik
2007-10-19 23:13 ` Eric W. Biederman
2007-10-19 23:46 ` Jeff Garzik
2007-10-19 23:53 ` Jeff Garzik
2007-10-19 7:55 ` [PATCH 2/9] irq-remove: arch non-trivial Jeff Garzik
2007-10-19 16:54 ` Jeremy Fitzhardinge
2007-10-19 17:31 ` Jeff Garzik
2007-10-19 17:50 ` Jeff Garzik
2007-10-19 17:11 ` Eric W. Biederman
2007-10-19 17:16 ` Jeff Garzik
2007-10-19 19:38 ` Eric W. Biederman
2007-10-19 7:56 ` [PATCH 3/9] irq-remove: arch trivial Jeff Garzik
2007-10-19 7:56 ` [PATCH 4/9] irq-remove: driver non-trivial Jeff Garzik
2007-10-19 18:19 ` Eric W. Biederman
2007-10-19 18:36 ` Jeff Garzik
2007-10-19 7:57 ` [PATCH 5/9] irq-remove: net driver trivial Jeff Garzik
2007-10-19 7:57 ` [PATCH 6/9] irq-remove: sound " Jeff Garzik
2007-10-19 7:58 ` [PATCH 7/9] irq-remove: scsi " Jeff Garzik
2007-10-19 13:00 ` Salyzyn, Mark
2007-10-26 21:35 ` Andrew Morton
2007-10-26 21:47 ` Jeff Garzik
2007-10-26 23:50 ` Arjan van de Ven
2007-10-27 0:12 ` Jeff Garzik
2007-10-27 0:16 ` Arjan van de Ven
2007-10-27 0:37 ` Jeff Garzik
2007-10-27 5:31 ` Arjan van de Ven
2007-10-27 7:06 ` Jeff Garzik
2007-10-27 7:46 ` Eric W. Biederman
2007-10-27 14:17 ` Arjan van de Ven
2007-10-19 7:58 ` [PATCH 8/9] irq-remove: " Jeff Garzik
2007-10-19 7:59 ` [PATCH 9/9] irq-remove: misc fixes and cleanups Jeff Garzik
2007-10-19 14:53 ` [PATCH 0/9] Remove 'irq' argument from all irq handlers Thomas Gleixner
2007-10-19 18:38 ` Eric W. Biederman
2007-10-19 18:57 ` Jeff Garzik
2007-10-19 19:02 ` Jeff Garzik
2007-10-19 19:07 ` Ingo Molnar
2007-10-19 19:35 ` Eric W. Biederman [this message]
2007-10-19 19:41 ` Thomas Gleixner
2007-10-19 19:55 ` Jeff Garzik
2007-10-19 18:45 ` Mark Gross
2007-10-20 6:07 ` Greg KH
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