From: Mark Lord <liml@rtr.ca>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jeff Garzik <jgarzik@pobox.com>, Tejun Heo <tj@kernel.org>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: [PATCH] libata-core More robust parsing for multi_count(v5)
Date: Sat, 21 Mar 2009 10:59:40 -0400 [thread overview]
Message-ID: <49C500DC.7020006@rtr.ca> (raw)
In-Reply-To: <20090321140250.6569644d@lxorguk.ukuu.org.uk>
Alan Cox wrote:
>> Yeah, that has long been a design decision -- avoid all the mechanics of
>> PIO-Multi, simply because we did not have much of a need for it (and
>> still don't).
>>
>> Albert Lee worked on PIO-Multi a while ago, which was mainly to get
>> ATA_{12,16} working, IIRC.
>>
>> But overall, I don't see much of a need to introduce it into the main stack?
>
> I don't see a need - and if we do its more important IMHO to get the PIO
> paths out of the irq handlers before doing so.
..
That's not a new concern, given that we *already* perform multi-sector I/O.
And it's not really related to improving the implementation to be better
aware of multi-sector I/O and interaction with EH.
But yeah, a good thing nonetheless.
Cheers
next prev parent reply other threads:[~2009-03-21 14:59 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-18 14:26 [PATCH] libata-core Use more robust parsing for multi_count Mark Lord
2009-03-18 14:32 ` Alan Cox
2009-03-18 15:06 ` Mark Lord
2009-03-18 15:13 ` Mark Lord
2009-03-18 17:09 ` Alan Cox
2009-03-18 15:58 ` Mark Lord
2009-03-18 16:18 ` [PATCH] libata-core More robust parsing for multi_count(v3) Mark Lord
2009-03-18 16:24 ` Mark Lord
2009-03-19 0:23 ` Tejun Heo
2009-03-19 0:25 ` Tejun Heo
2009-03-19 17:30 ` [PATCH] libata-core More robust parsing for multi_count(v4) Mark Lord
2009-03-19 17:32 ` [PATCH] libata-core More robust parsing for multi_count(v5) Mark Lord
2009-03-19 23:33 ` Tejun Heo
2009-03-20 3:37 ` Mark Lord
2009-03-20 13:13 ` Mark Lord
2009-03-20 13:14 ` Mark Lord
2009-03-20 14:07 ` Alan Cox
2009-03-20 15:36 ` Mark Lord
2009-03-20 23:14 ` Tejun Heo
2009-03-21 0:54 ` Jeff Garzik
2009-03-21 2:17 ` Tejun Heo
2009-03-21 13:54 ` Mark Lord
2009-03-21 14:02 ` Alan Cox
2009-03-21 14:59 ` Mark Lord [this message]
2009-03-20 13:38 ` Alan Cox
2009-04-12 15:10 ` Mark Lord
2009-04-12 15:18 ` Alan Cox
2009-04-12 15:31 ` Jeff Garzik
2009-03-25 2:40 ` Jeff Garzik
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