From: Ian Campbell <Ian.Campbell@citrix.com>
To: Zoltan Kiss <zoltan.kiss@citrix.com>
Cc: xen-devel@lists.xenproject.org, jonathan.davies@citrix.com,
wei.liu2@citrix.com, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next v5 1/9] xen-netback: Introduce TX grant map definitions
Date: Mon, 24 Feb 2014 11:13:35 +0000 [thread overview]
Message-ID: <1393240415.16570.46.camel__11161.0494474464$1393240518$gmane$org@kazak.uk.xensource.com> (raw)
In-Reply-To: <5306A993.5010504@citrix.com>
On Fri, 2014-02-21 at 01:19 +0000, Zoltan Kiss wrote:
> I don't know if the guest expects that slots for the same packet
> comes back at the same time.
I don't think the guest is allowed to assume that. In particular they
aren't allowed to assume the the slots will be freed in the order they
were presented on the ring. There used to be a debug patch to
deliberately permute the responses, perhaps it was in the old
netchannel2 tree.
Ian.
next prev parent reply other threads:[~2014-02-24 11:13 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-20 21:24 [PATCH net-next v5 0/9] xen-netback: TX grant mapping with SKBTX_DEV_ZEROCOPY instead of copy Zoltan Kiss
2014-01-20 21:24 ` [PATCH net-next v5 1/9] xen-netback: Introduce TX grant map definitions Zoltan Kiss
2014-02-18 17:06 ` Ian Campbell
2014-02-18 17:06 ` Ian Campbell
2014-02-18 20:36 ` Zoltan Kiss
2014-02-18 20:36 ` Zoltan Kiss
2014-02-19 10:05 ` Ian Campbell
2014-02-19 10:05 ` Ian Campbell
2014-02-19 19:54 ` Zoltan Kiss
2014-02-19 19:54 ` Zoltan Kiss
2014-02-20 9:33 ` Ian Campbell
2014-02-20 9:33 ` Ian Campbell
2014-02-21 1:19 ` Zoltan Kiss
2014-02-21 1:19 ` Zoltan Kiss
2014-02-24 11:13 ` Ian Campbell
2014-02-24 11:13 ` Ian Campbell [this message]
2014-02-20 10:13 ` Wei Liu
2014-02-20 10:13 ` Wei Liu
2014-02-18 17:24 ` Ian Campbell
2014-02-19 19:19 ` Zoltan Kiss
2014-02-19 19:19 ` Zoltan Kiss
2014-02-18 17:24 ` Ian Campbell
2014-01-20 21:24 ` Zoltan Kiss
2014-01-20 21:24 ` [PATCH net-next v5 2/9] xen-netback: Change TX path from grant copy to mapping Zoltan Kiss
2014-01-20 21:24 ` Zoltan Kiss
2014-02-18 17:40 ` Ian Campbell
2014-02-18 18:46 ` [Xen-devel] " David Vrabel
2014-02-19 9:54 ` Ian Campbell
2014-02-19 12:27 ` David Vrabel
2014-02-19 12:27 ` David Vrabel
2014-02-19 9:54 ` Ian Campbell
2014-02-18 18:46 ` David Vrabel
2014-02-22 22:33 ` Zoltan Kiss
2014-02-24 16:56 ` Zoltan Kiss
2014-02-24 16:56 ` Zoltan Kiss
2014-02-22 22:33 ` Zoltan Kiss
2014-02-18 17:40 ` Ian Campbell
2014-01-20 21:24 ` [PATCH net-next v5 3/9] xen-netback: Remove old TX grant copy definitons and fix indentations Zoltan Kiss
2014-01-20 21:24 ` Zoltan Kiss
2014-01-20 21:24 ` [PATCH net-next v5 4/9] xen-netback: Change RX path for mapped SKB fragments Zoltan Kiss
2014-01-20 21:24 ` Zoltan Kiss
2014-02-18 17:45 ` Ian Campbell
2014-02-22 23:18 ` Zoltan Kiss
2014-02-22 23:18 ` Zoltan Kiss
2014-02-24 13:49 ` Zoltan Kiss
2014-02-24 15:08 ` Zoltan Kiss
2014-02-24 15:08 ` Zoltan Kiss
2014-02-27 12:43 ` Wei Liu
2014-02-27 12:43 ` Wei Liu
2014-02-27 15:49 ` Zoltan Kiss
2014-02-27 15:49 ` Zoltan Kiss
2014-02-27 16:01 ` Wei Liu
2014-02-27 16:01 ` Wei Liu
2014-02-24 13:49 ` Zoltan Kiss
2014-02-18 17:45 ` Ian Campbell
2014-01-20 21:24 ` [PATCH net-next v5 5/9] xen-netback: Add stat counters for zerocopy Zoltan Kiss
2014-01-20 21:24 ` Zoltan Kiss
2014-01-20 21:24 ` [PATCH net-next v5 6/9] xen-netback: Handle guests with too many frags Zoltan Kiss
2014-01-20 21:24 ` Zoltan Kiss
2014-01-20 21:24 ` [PATCH net-next v5 7/9] xen-netback: Add stat counters for frag_list skbs Zoltan Kiss
2014-01-20 21:24 ` Zoltan Kiss
2014-01-20 21:24 ` [PATCH net-next v5 8/9] xen-netback: Timeout packets in RX path Zoltan Kiss
2014-01-20 21:24 ` Zoltan Kiss
2014-01-20 22:03 ` Wei Liu
2014-01-20 22:12 ` Wei Liu
2014-01-20 22:12 ` Wei Liu
2014-01-21 0:24 ` Zoltan Kiss
2014-01-21 0:24 ` Zoltan Kiss
2014-01-20 22:03 ` Wei Liu
2014-01-20 21:24 ` [PATCH net-next v5 9/9] xen-netback: Aggregate TX unmap operations Zoltan Kiss
2014-01-20 21:24 ` Zoltan Kiss
2014-01-23 1:50 ` [PATCH net-next v5 0/9] xen-netback: TX grant mapping with SKBTX_DEV_ZEROCOPY instead of copy David Miller
2014-01-23 13:13 ` Zoltan Kiss
2014-01-23 21:39 ` David Miller
2014-01-23 21:49 ` Zoltan Kiss
2014-01-23 21:49 ` Zoltan Kiss
2014-01-23 21:39 ` David Miller
2014-01-23 13:13 ` Zoltan Kiss
2014-01-23 1:50 ` David Miller
2014-02-19 9:50 ` Ian Campbell
2014-02-24 15:31 ` Zoltan Kiss
2014-02-24 15:31 ` Zoltan Kiss
2014-02-19 9:50 ` Ian Campbell
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