From: Wei Liu <wei.liu2@citrix.com>
To: Zoltan Kiss <zoltan.kiss@citrix.com>
Cc: <ian.campbell@citrix.com>, <wei.liu2@citrix.com>,
<xen-devel@lists.xenproject.org>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <jonathan.davies@citrix.com>,
Paul Durrant <Paul.Durrant@citrix.com>
Subject: Re: [PATCH net-next v7 9/9] xen-netback: Aggregate TX unmap operations
Date: Thu, 20 Mar 2014 10:48:55 +0000 [thread overview]
Message-ID: <20140320104855.GA16285@zion.uk.xensource.com> (raw)
In-Reply-To: <532A0915.5090006@citrix.com>
On Wed, Mar 19, 2014 at 09:16:05PM +0000, Zoltan Kiss wrote:
> Hi,
>
> I'm thinking about revoking this patch: it's value is pretty small,
> but it causes performance regression on Win7 guests. And probably it
> is not the best solution for this problem. It might be the delay it
> takes the dealloc thread to be scheduled is enough.
> What do you think?
>
Can you elaborate? What makes Win7 so special? What's performance
impact to other guests?
Wei.
next prev parent reply other threads:[~2014-03-20 10:49 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-06 21:48 [PATCH net-next v7 0/9] xen-netback: TX grant mapping with SKBTX_DEV_ZEROCOPY instead of copy Zoltan Kiss
2014-03-06 21:48 ` [PATCH net-next v7 1/9] xen-netback: Use skb->cb for pending_idx Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` [PATCH net-next v7 2/9] xen-netback: Minor refactoring of netback code Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` [PATCH net-next v7 3/9] xen-netback: Handle foreign mapped pages on the guest RX path Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` [PATCH net-next v7 4/9] xen-netback: Introduce TX grant mapping Zoltan Kiss
2014-03-13 10:17 ` Ian Campbell
2014-03-13 12:34 ` Zoltan Kiss
2014-03-13 12:34 ` Zoltan Kiss
2014-03-13 10:17 ` Ian Campbell
2014-03-13 10:33 ` Ian Campbell
2014-03-13 10:56 ` David Vrabel
2014-03-13 10:56 ` [Xen-devel] " David Vrabel
2014-03-13 11:02 ` Ian Campbell
2014-03-13 11:02 ` [Xen-devel] " Ian Campbell
2014-03-13 11:09 ` David Vrabel
2014-03-13 11:09 ` [Xen-devel] " David Vrabel
2014-03-13 11:13 ` Wei Liu
2014-03-13 11:13 ` Wei Liu
2014-03-13 13:17 ` Zoltan Kiss
2014-03-13 13:17 ` Zoltan Kiss
2014-03-13 13:56 ` Ian Campbell
2014-03-13 17:43 ` Zoltan Kiss
2014-03-13 17:43 ` Zoltan Kiss
2014-03-13 13:56 ` Ian Campbell
2014-03-13 10:33 ` Ian Campbell
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` [PATCH net-next v7 5/9] xen-netback: Remove old TX grant copy definitons and fix indentations Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` [PATCH net-next v7 6/9] xen-netback: Add stat counters for zerocopy Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` [PATCH net-next v7 7/9] xen-netback: Handle guests with too many frags Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` [PATCH net-next v7 8/9] xen-netback: Timeout packets in RX path Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-13 10:39 ` Ian Campbell
2014-03-13 10:39 ` Ian Campbell
2014-03-06 21:48 ` [PATCH net-next v7 9/9] xen-netback: Aggregate TX unmap operations Zoltan Kiss
2014-03-19 21:16 ` Zoltan Kiss
2014-03-20 9:53 ` Paul Durrant
2014-03-20 9:53 ` Paul Durrant
2014-03-20 10:48 ` Wei Liu [this message]
2014-03-20 11:14 ` Paul Durrant
2014-03-20 12:38 ` Wei Liu
2014-03-20 16:11 ` Zoltan Kiss
2014-03-20 16:11 ` Zoltan Kiss
2014-03-20 12:38 ` Wei Liu
2014-03-20 11:14 ` Paul Durrant
2014-03-20 10:48 ` Wei Liu
2014-03-19 21:16 ` Zoltan Kiss
2014-03-06 21:48 ` Zoltan Kiss
2014-03-07 21:05 ` [PATCH net-next v7 0/9] xen-netback: TX grant mapping with SKBTX_DEV_ZEROCOPY instead of copy David Miller
2014-03-07 21:05 ` David Miller
2014-03-08 14:37 ` Zoltan Kiss
2014-03-08 23:57 ` David Miller
2014-03-08 23:57 ` David Miller
2014-03-10 10:15 ` Wei Liu
2014-03-10 10:15 ` Wei Liu
2014-03-12 15:40 ` Ian Campbell
2014-03-12 15:40 ` Ian Campbell
2014-03-12 18:49 ` Zoltan Kiss
2014-03-12 18:49 ` Zoltan Kiss
2014-03-13 10:43 ` Ian Campbell
2014-03-13 10:43 ` Ian Campbell
2014-03-08 14:37 ` Zoltan Kiss
2014-03-13 10:08 ` Ian Campbell
2014-03-13 18:23 ` Zoltan Kiss
2014-03-13 18:23 ` Zoltan Kiss
2014-03-13 10:08 ` Ian Campbell
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