From: Tejun Heo <htejun@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jeff Garzik <jgarzik@pobox.com>,
axboe@suse.de, albertcc@tw.ibm.com, forrest.zhao@intel.com,
efalk@google.com, linux-ide@vger.kernel.org
Subject: Re: [PATCH 06/11] libata-eh: implement BMDMA EH
Date: Mon, 15 May 2006 22:59:42 +0900 [thread overview]
Message-ID: <4468894E.6000004@gmail.com> (raw)
In-Reply-To: <1147700280.26686.9.camel@localhost.localdomain>
Alan Cox wrote:
> On Sul, 2006-05-14 at 08:41 +0900, Tejun Heo wrote:
>> else is lost. Also, please note that most traditional IDE controllers
>> tend to have their own IRQ.
>
> Not really. You normally have one IRQ per controller for any plug in
> card and that is quite often shared.
>
I see. But even with the shared IRQ, unconditionally clearing IRQ for
short duration wouldn't cause much problem, would it?
@ Out of curiosity, how old does a controller have to be to not have the
ctl shadow register?
--
tejun
next prev parent reply other threads:[~2006-05-15 13:59 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-11 13:21 [PATCHSET 03/11] new EH implementation, take 3 Tejun Heo
2006-05-11 13:21 ` [PATCH 05/11] libata-eh: implement new EH Tejun Heo
2006-05-13 22:19 ` Jeff Garzik
2006-05-11 13:21 ` [PATCH 03/11] libata-eh: add per-dev ata_ering Tejun Heo
2006-05-11 13:21 ` [PATCH 02/11] libata-eh: implement ata_ering Tejun Heo
2006-05-13 22:16 ` Jeff Garzik
2006-05-13 23:36 ` Tejun Heo
2006-05-14 1:05 ` Jeff Garzik
2006-05-14 1:20 ` Tejun Heo
2006-05-14 1:32 ` Jeff Garzik
2006-05-14 1:38 ` Tejun Heo
2006-05-15 13:36 ` Alan Cox
2006-05-15 14:00 ` Tejun Heo
2006-05-15 14:25 ` Tejun Heo
2006-05-15 14:50 ` Alan Cox
2006-05-15 14:57 ` Tejun Heo
2006-05-15 15:19 ` Alan Cox
2006-05-15 15:19 ` Tejun Heo
2006-05-15 18:22 ` Jeff Garzik
2006-05-11 13:21 ` [PATCH 01/11] libata-eh: add ATA and libata flags for new EH Tejun Heo
2006-05-13 22:15 ` Jeff Garzik
2006-05-11 13:21 ` [PATCH 04/11] libata-eh: implement ata_eh_info and ata_eh_context Tejun Heo
2006-05-11 13:21 ` [PATCH 06/11] libata-eh: implement BMDMA EH Tejun Heo
2006-05-13 22:21 ` Jeff Garzik
2006-05-13 23:41 ` Tejun Heo
2006-05-15 13:38 ` Alan Cox
2006-05-15 13:59 ` Tejun Heo [this message]
2006-05-15 14:43 ` Alan Cox
2006-05-11 13:21 ` [PATCH 07/11] ata_piix: convert to new EH Tejun Heo
2006-05-13 22:23 ` Jeff Garzik
2006-05-11 13:21 ` [PATCH 08/11] sata_sil: " Tejun Heo
2006-05-11 14:22 ` Alan Cox
2006-05-11 14:39 ` Tejun Heo
2006-05-11 15:46 ` Alan Cox
2006-05-11 15:45 ` Tejun Heo
2006-05-11 16:12 ` Alan Cox
2006-05-11 16:10 ` Tejun Heo
2006-05-11 17:16 ` Alan Cox
2006-05-13 22:26 ` Jeff Garzik
2006-05-13 23:43 ` Tejun Heo
2006-05-11 13:21 ` [PATCH 10/11] ahci: add PIOS interim interrupt handling Tejun Heo
2006-05-11 13:21 ` [PATCH 11/11] sata_sil24: convert to new EH Tejun Heo
2006-05-11 13:21 ` [PATCH 09/11] ahci: " Tejun Heo
2006-05-13 10:53 ` Tejun Heo
2006-05-13 22:30 ` Jeff Garzik
2006-05-13 23:49 ` Tejun Heo
2006-05-13 22:34 ` [PATCHSET 03/11] new EH implementation, take 3 Jeff Garzik
2006-05-13 23:58 ` Tejun Heo
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