From: Tejun Heo <htejun@gmail.com>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: alan@lxorguk.ukuu.org.uk, 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: Sun, 14 May 2006 08:41:28 +0900 [thread overview]
Message-ID: <44666EA8.6050201@gmail.com> (raw)
In-Reply-To: <44665BEE.5020903@pobox.com>
Jeff Garzik wrote:
>
> What's the plan for the class of PATA controllers without Device Control
> shadow registers?
>
> There are multiple examples of such in drivers/ide...
>
> I ACK the patch's content, but don't forget we definitely need a plan
> for PATA controllers without nIEN support.
I can't think of any solution other than ack'ing and clearing interrupts
blindly while frozen.
* it only happens from the freezing point until the device/controller is
reset.
* we can't detect spurious interrupts during that period but nothing
else is lost. Also, please note that most traditional IDE controllers
tend to have their own IRQ.
--
tejun
next prev parent reply other threads:[~2006-05-13 23:41 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 06/11] libata-eh: implement BMDMA EH Tejun Heo
2006-05-13 22:21 ` Jeff Garzik
2006-05-13 23:41 ` Tejun Heo [this message]
2006-05-15 13:38 ` Alan Cox
2006-05-15 13:59 ` Tejun Heo
2006-05-15 14:43 ` Alan Cox
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 05/11] libata-eh: implement new EH Tejun Heo
2006-05-13 22:19 ` Jeff Garzik
2006-05-11 13:21 ` [PATCH 08/11] sata_sil: convert to " 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 07/11] ata_piix: " Tejun Heo
2006-05-13 22:23 ` Jeff Garzik
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
2006-05-11 13:21 ` [PATCH 11/11] sata_sil24: " Tejun Heo
2006-05-11 13:21 ` [PATCH 10/11] ahci: add PIOS interim interrupt handling 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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