LKML Archive on
help / color / mirror / Atom feed
From: "Nelson, Shannon" <>
To: "Andrew Morton" <>
Cc: <>,
	"Williams, Dan J" <>
Subject: RE: [PATCH] I/OAT: Add support for version 2 of ioatdma device
Date: Tue, 23 Oct 2007 18:18:54 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

>From: Andrew Morton [] 
>On Fri, 19 Oct 2007 00:20:25 -0700
>Shannon Nelson <> wrote:
>> Add support for version 2 of the ioatdma device.  This device handles
>> the descriptor chain and DCA services slightly differently:
>>  - Instead of moving the dma descriptors between a busy and 
>an idle chain,
>>    this new version uses a single circular chain so that we 
>don't have
>>    rewrite the next_descriptor pointers as we add new 
>requests, and the
>>    device doesn't need to re-read the last descriptor.
>>  - The new device has the DCA tags defined internally 
>instead of needing
>>    them defined statically.


Thank you for your time and the review comments.  I'll attend to the
details and repost.


      reply	other threads:[~2007-10-24  1:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-19  7:20 Shannon Nelson
2007-10-23 19:56 ` Andrew Morton
2007-10-24  1:18   ` Nelson, Shannon [this message]

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:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \
    --subject='RE: [PATCH] I/OAT: Add support for version 2 of ioatdma device' \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

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).