From: Jeff Garzik <jgarzik@pobox.com>
To: Grant Grundler <grundler@parisc-linux.org>
Cc: Francois Romieu <romieu@fr.zoreil.com>,
Valerie Henson <val_henson@linux.intel.com>,
Andrew Morton <akpm@osdl.org>,
netdev@vger.kernel.org
Subject: Re: PATCHv3 2.6.17-rc5 tulip free_irq() called too late
Date: Fri, 16 Jun 2006 03:32:56 -0400 [thread overview]
Message-ID: <44925EA8.5070906@pobox.com> (raw)
In-Reply-To: <20060616054711.GA28524@colo.lackof.org>
Grant Grundler wrote:
> On Thu, Jun 15, 2006 at 10:30:17PM +0200, Francois Romieu wrote:
>> Afaik free_irq() on a shared irq does not touch the hardware and
>> irqs are anything but synchronous. If free_irq() is issued before
>> the device is idle and its irq are not acked, it's wrong.
>
> Correct. Before calling free_irq(), patch V3 masks interrupts on tulip
> and guarantees the tulip will not generate new interrupts before that call.
Incorrect -- it does not guarantee that tulip will not generate new
interrupt events.
Jeff
next prev parent reply other threads:[~2006-06-16 7:33 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-31 19:52 PATCH 2.6.17-rc5 tulip free_irq() called too late Grant Grundler
2006-06-08 14:43 ` Jeff Garzik
2006-06-08 15:22 ` Grant Grundler
2006-06-08 15:32 ` Grant Grundler
2006-06-08 15:38 ` Jeff Garzik
2006-06-08 15:47 ` Grant Grundler
2006-06-08 15:32 ` Jeff Garzik
2006-06-08 15:36 ` Grant Grundler
2006-06-08 17:01 ` Grant Grundler
2006-06-13 23:55 ` PATCHv3 " Grant Grundler
2006-06-14 0:06 ` Valerie Henson
2006-06-14 0:33 ` Jeff Garzik
2006-06-14 4:44 ` Grant Grundler
2006-06-14 13:05 ` Kyle McMartin
2006-06-14 14:54 ` Grant Grundler
2006-06-14 15:03 ` Jeff Garzik
2006-06-14 18:14 ` Grant Grundler
2006-06-14 19:51 ` Jeff Garzik
2006-06-14 22:25 ` Grant Grundler
2006-06-14 20:47 ` Francois Romieu
2006-06-14 22:30 ` Grant Grundler
2006-06-15 20:30 ` Francois Romieu
2006-06-16 5:47 ` Grant Grundler
2006-06-16 7:32 ` Jeff Garzik [this message]
2006-06-16 15:25 ` Grant Grundler
[not found] ` <20060616152400.GA7868@colo.lackof.org>
[not found] ` <4492CE98.50900@pobox.com>
2006-06-16 16:06 ` Grant Grundler
2006-06-16 16:16 ` Jeff Garzik
2006-06-22 0:43 ` Valerie Henson
2006-06-23 5:00 ` Grant Grundler
2006-06-26 22:31 ` [PATCH] Fix tulip shutdown DMA/irq race Valerie Henson
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