From: Wei Liu <wei.liu2@citrix.com>
To: Juergen Gross <jgross@suse.com>
Cc: Bob Liu <bob.liu@oracle.com>, <xen-devel@lists.xenproject.org>,
<paul.durrant@citrix.com>, <david.vrabel@citrix.com>,
<roger.pau@citrix.com>, <linux-kernel@vger.kernel.org>,
<konrad.wilk@oracle.com>, Wei Liu <wei.liu2@citrix.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH RESEND 1/2] xenbus_client: Extend interface to support multi-page ring
Date: Tue, 31 Mar 2015 14:13:35 +0100 [thread overview]
Message-ID: <20150331131335.GC14300@zion.uk.xensource.com> (raw)
In-Reply-To: <551A94DB.9020708@suse.com>
On Tue, Mar 31, 2015 at 02:36:43PM +0200, Juergen Gross wrote:
> On 03/31/2015 02:15 PM, Bob Liu wrote:
> >From: Wei Liu <wei.liu2@citrix.com>
> >
> >Originally Xen PV drivers only use single-page ring to pass along
> >information. This might limit the throughput between frontend and
> >backend.
> >
> >The patch extends Xenbus driver to support multi-page ring, which in
> >general should improve throughput if ring is the bottleneck. Changes to
> >various frontend / backend to adapt to the new interface are also
> >included.
> >
> >Affected Xen drivers:
> >* blkfront/back
> >* netfront/back
> >* pcifront/back
>
> What about pvscsi drivers?
> They are affected, too!
>
When I wrote this patch pvscsi didn't exist upstream.
It would be fairly easy to change that driver too.
Wei.
next prev parent reply other threads:[~2015-03-31 13:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-31 12:15 Bob Liu
2015-03-31 12:15 ` [PATCH v2 2/2] xen/block: add multi-page ring support Bob Liu
2015-04-01 11:51 ` Bob Liu
2015-04-01 14:55 ` Konrad Rzeszutek Wilk
2015-03-31 12:36 ` [PATCH RESEND 1/2] xenbus_client: Extend interface to support multi-page ring Juergen Gross
2015-03-31 13:13 ` Wei Liu [this message]
2015-03-31 13:16 ` Juergen Gross
2015-03-31 23:06 ` Bob Liu
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=20150331131335.GC14300@zion.uk.xensource.com \
--to=wei.liu2@citrix.com \
--cc=bob.liu@oracle.com \
--cc=boris.ostrovsky@oracle.com \
--cc=david.vrabel@citrix.com \
--cc=jgross@suse.com \
--cc=konrad.wilk@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=paul.durrant@citrix.com \
--cc=roger.pau@citrix.com \
--cc=xen-devel@lists.xenproject.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®