From: Jens Axboe <axboe@suse.de>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Daniel Drake <dsd@gentoo.org>, Otto Meier <gf435@gmx.net>,
linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: Driver for sata adapter promise sata300 tx4
Date: Mon, 1 Aug 2005 22:42:42 +0200 [thread overview]
Message-ID: <20050801204241.GU22569@suse.de> (raw)
In-Reply-To: <42EE87DF.1080508@pobox.com>
On Mon, Aug 01 2005, Jeff Garzik wrote:
> Jens Axboe wrote:
> >Oh, and forget TCQ. It's a completely worthless technology inherited
> >from PATA,
>
> Agreed.
>
> There are a few controllers where we may -eventually- add TCQ support,
> controllers that do 100% of TCQ in hardware. But that's so far down the
> priority list, it's below just about everything else.
>
> There may just be little motivation to -ever- support TCQ, even when
> libata is the 'main' IDE driver, sometime in the future.
Host supported TCQ only removes the pain from the software side, it
still doesn't make it a fast techology. The only reason you would want
to support that would be "it's easy, why not...". From my POV, I would
refuse to support it just from an ideological standpoint :-)
Legacy TCQ, hell no, not in a million years.
--
Jens Axboe
next prev parent reply other threads:[~2005-08-01 20:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-01 9:19 Driver for sata adapter promise sata300 tx4 Otto Meier
2005-08-01 14:43 ` Daniel Drake
2005-08-01 15:12 ` Otto Meier
2005-08-01 15:28 ` Otto Meier
2005-08-01 16:16 ` Daniel Drake
2005-08-01 20:17 ` Jens Axboe
2005-08-01 20:30 ` Jeff Garzik
2005-08-01 20:35 ` Jens Axboe
2005-08-02 8:18 ` Otto Meier
2005-08-01 20:32 ` Jens Axboe
2005-08-01 20:36 ` Jeff Garzik
2005-08-01 20:42 ` Jens Axboe [this message]
2005-08-01 20:49 ` Jeff Garzik
2005-08-02 6:48 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2005-08-01 14:14 Otto Meier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050801204241.GU22569@suse.de \
--to=axboe@suse.de \
--cc=dsd@gentoo.org \
--cc=gf435@gmx.net \
--cc=jgarzik@pobox.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.