From: Alan Cox <alan@redhat.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>,
alan@redhat.com, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq()
Date: Wed, 31 May 2006 17:41:39 -0400 [thread overview]
Message-ID: <20060531214139.GA8196@devserv.devel.redhat.com> (raw)
In-Reply-To: <1149107500.3114.75.camel@laptopd505.fenrus.org>
On Wed, May 31, 2006 at 10:31:40PM +0200, Arjan van de Ven wrote:
> > 8390.c knows that ei_local->page_lock can only be used by an irq
> > context that it disabled -
>
> btw I think this is no longer correct with the irq polling stuff Alan
> added to the kernel recently...
We could make the misrouted IRQ logic skip all handlers on a disabled IRQ
but that might actually be worse than the disease we are trying to cure by
doing so.
Alan
next prev parent reply other threads:[~2006-05-31 21:41 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-31 20:02 [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq() Ingo Molnar
2006-05-31 20:31 ` Arjan van de Ven
2006-05-31 21:27 ` Ingo Molnar
2006-05-31 21:41 ` Alan Cox [this message]
2006-05-31 21:43 ` Arjan van de Ven
2006-05-31 21:47 ` Ingo Molnar
2006-05-31 21:56 ` Arjan van de Ven
2006-05-31 22:00 ` Ingo Molnar
2006-05-31 22:02 ` Arjan van de Ven
2006-06-03 14:37 ` Steven Rostedt
2006-06-03 21:53 ` Alan Cox
2006-06-03 22:34 ` Steven Rostedt
2006-06-04 9:34 ` Arjan van de Ven
2006-06-04 13:16 ` Steven Rostedt
2006-06-04 15:38 ` Alan Cox
2006-06-04 15:44 ` Steven Rostedt
2006-06-04 16:10 ` Alan Cox
2006-06-04 16:22 ` Steven Rostedt
2006-06-04 21:26 ` Alan Cox
2006-06-04 21:28 ` Steven Rostedt
2006-06-04 21:44 ` Ingo Molnar
2006-06-05 1:04 ` Steven Rostedt
2006-06-06 3:33 ` [PATCH -mm] misroute-irq: Don't call desc->chip->end because of edge interrupts Steven Rostedt
2006-06-06 4:20 ` Andrew Morton
2006-06-06 10:46 ` Steven Rostedt
2006-06-06 8:01 ` Ingo Molnar
2006-06-06 10:50 ` Steven Rostedt
2006-06-06 21:48 ` Andrew Morton
2006-06-06 21:50 ` Ingo Molnar
2006-06-06 3:49 ` [RFC][PATCH -mm] postpone misrouted irqs when disabled Steven Rostedt
2006-06-01 9:46 ` [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq() Alan Cox
2006-06-01 10:02 ` Ingo Molnar
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