From: Laszlo Ersek <lersek@redhat.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Wei Liu <wei.liu2@citrix.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"jeremy@goop.org" <jeremy@goop.org>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Ian Campbell <Ian.Campbell@citrix.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [Xen-devel] [PATCH] xen-netfront: correct MAX_TX_TARGET calculation.
Date: Fri, 03 Feb 2012 14:39:42 +0100 [thread overview]
Message-ID: <4F2BE39E.9030101@redhat.com> (raw)
In-Reply-To: <4F2BEEA70200007800070E81@nat28.tlf.novell.com>
On 02/03/12 14:26, Jan Beulich wrote:
>>>> On 03.02.12 at 13:59, Laszlo Ersek<lersek@redhat.com> wrote:
>> (Eyeballing the source makes me think
>>
>> NET_TX_RING_SIZE == (4096 - 16 - 48) / (5 * 4) == 201
>> NET_RX_RING_SIZE == (4096 - 16 - 48) / (4 * 4) == 252
>
> NET_TX_RING_SIZE == (4096 - 16 - 48) / (6 * 2) == 336
> NET_RX_RING_SIZE == (4096 - 16 - 48) / (4 * 2) == 504
Sorry, I wasn't sure if gcc would pack them without
__attribute__((packed)) :) Dumb mistake, admittedly.
Thanks,
Laszlo
next prev parent reply other threads:[~2012-02-03 13:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-26 17:23 [PATCH] xen-netfront: correct MAX_TX_TARGET calculation Wei Liu
2012-01-26 18:19 ` Konrad Rzeszutek Wilk
2012-01-27 10:36 ` Wei Liu
2012-02-03 12:27 ` [Xen-devel] " Laszlo Ersek
2012-02-03 12:59 ` Laszlo Ersek
2012-02-03 13:26 ` Jan Beulich
2012-02-03 13:39 ` Laszlo Ersek [this message]
2012-01-26 18:48 ` David Miller
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=4F2BE39E.9030101@redhat.com \
--to=lersek@redhat.com \
--cc=Ian.Campbell@citrix.com \
--cc=JBeulich@suse.com \
--cc=jeremy@goop.org \
--cc=konrad.wilk@oracle.com \
--cc=netdev@vger.kernel.org \
--cc=wei.liu2@citrix.com \
--cc=xen-devel@lists.xensource.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).