From: Tejun Heo <tj@kernel.org>
To: Mark Lord <mlord@pobox.com>
Cc: Milo Medin <medin@m2znetworks.com>, linux-ide@vger.kernel.org
Subject: Re: FW: ICH10R PMP support
Date: Mon, 23 Jun 2008 18:56:38 +0900 [thread overview]
Message-ID: <485F7356.5050605@kernel.org> (raw)
In-Reply-To: <485F6830.1040000@pobox.com>
Mark Lord wrote:
> I don't know anything about the 88SE6145 (isn't that an AHCI clone?),
> but the 7042 chip under Linux is *now* a very safe (and good) bet.
>
> It has full kernel support for hot-plug, PMP with FIS-based switching,
> and employs a decent host command queue mechansim. I believe all of the
> errata workarounds are now in place for this chip.
>
> Performance is about as good as it gets under Linux,
> though there's still another microsecond or so to be shaved
> away from the IRQ handling in the next cycle.
>
> Message-Switched-Interrupts (MSI) is there, but not fully supported yet.
> This also will likely get cleaned up in the next cycle.
>
> The 7042 is the best of the Marvell chips, for Linux.
How high does it go bandwidth-wise?
Thanks.
--
tejun
next prev parent reply other threads:[~2008-06-23 9:57 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-23 3:04 FW: ICH10R PMP support Milo Medin
2008-06-23 9:09 ` Mark Lord
2008-06-23 9:56 ` Tejun Heo [this message]
2008-06-24 7:04 ` Mark Lord
2008-06-24 7:10 ` Tejun Heo
2008-06-24 7:15 ` Mark Lord
2008-06-24 9:40 ` Brad Campbell
2008-06-23 15:54 ` Milo Medin
2008-06-24 7:11 ` Mark Lord
2008-06-25 0:13 ` Milo Medin
[not found] <OF1CA00FC2.4783C0D2-ON85257471.0053BCDF-85257471.0053FA0F@applera.com>
2008-06-24 7:08 ` Mark Lord
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=485F7356.5050605@kernel.org \
--to=tj@kernel.org \
--cc=linux-ide@vger.kernel.org \
--cc=medin@m2znetworks.com \
--cc=mlord@pobox.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).