From: Thomas Graf <tgraf-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Jesse Gross <jesse-l0M0P4e3n4LQT0dZR+AlfA@public.gmane.org>,
Zoltan Kiss <zoltan.kiss-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
Cc: "dev-yBygre7rU0TnMu66kgdUjQ@public.gmane.org"
<dev-yBygre7rU0TnMu66kgdUjQ@public.gmane.org>,
netdev <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
Subject: Re: [GIT net-next] Open vSwitch
Date: Tue, 14 Jan 2014 10:46:15 +0100 [thread overview]
Message-ID: <52D50767.6050906@redhat.com> (raw)
In-Reply-To: <CAEP_g=8nG6AHV9Y+5=48nPhkf5Oe=mG8EiyaKSqN4omnmGhv4A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 01/14/2014 02:30 AM, Jesse Gross wrote:
>> And it works. I guess the last one causing the problem. Might be an
>> important factor, I'm using 32 bit Dom0.
>
> I think you're probably right. Thomas - can you take a look?
>
> We shouldn't be doing any zerocopy in this situation but it looks to
> me like we don't do any padding at all, even in situations where we
> are copying the data.
I'm looking into this now. The zerocopy method should only be attempted
if user space has announced the ability to received unaligned messages.
@Zoltan: I assume you are using an unmodified OVS 1.9.3?
next prev parent reply other threads:[~2014-01-14 9:46 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-07 0:15 [GIT net-next] Open vSwitch Jesse Gross
[not found] ` <1389053776-62865-1-git-send-email-jesse-l0M0P4e3n4LQT0dZR+AlfA@public.gmane.org>
2014-01-07 0:16 ` [PATCH net-next 01/17] openvswitch: Correct comment Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 02/17] openvswitch: Shrink sw_flow_mask by 8 bytes (64-bit) or 4 bytes (32-bit) Jesse Gross
2014-01-07 21:36 ` Sergei Shtylyov
2014-01-07 0:16 ` [PATCH net-next 03/17] openvswitch: Change ovs_flow_tbl_lookup_xx() APIs Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 04/17] openvswitch: Silence RCU lockdep checks from flow lookup Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 05/17] genl: Add genlmsg_new_unicast() for unicast message allocation Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 06/17] netlink: Avoid netlink mmap alloc if msg size exceeds frame size Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 07/17] openvswitch: Enable memory mapped Netlink i/o Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 08/17] openvswitch: Per cpu flow stats Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 09/17] net: ovs: use kfree_rcu instead of rcu_free_{sw_flow_mask_cb, acts_callback} Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 10/17] openvswitch: remove duplicated include from flow_table.c Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 11/17] net: Export skb_zerocopy() to zerocopy from one skb to another Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 12/17] openvswitch: Allow user space to announce ability to accept unaligned Netlink messages Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 13/17] openvswitch: Drop user features if old user space attempted to create datapath Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 14/17] openvswitch: Pass datapath into userspace queue functions Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 15/17] openvswitch: Use skb_zerocopy() for upcall Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 16/17] openvswitch: Compute checksum in skb_gso_segment() if needed Jesse Gross
2014-01-07 0:16 ` [PATCH net-next 17/17] ovs: make functions local Jesse Gross
2014-01-07 0:49 ` [GIT net-next] Open vSwitch David Miller
2014-01-08 14:49 ` [ovs-dev] " Zoltan Kiss
[not found] ` <52CD657F.7080806-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2014-01-08 15:10 ` Jesse Gross
2014-01-13 18:04 ` [ovs-dev] " Zoltan Kiss
[not found] ` <52D42A9E.1030805-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2014-01-14 0:31 ` Zoltan Kiss
[not found] ` <52D4857C.7020902-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2014-01-14 1:30 ` Jesse Gross
[not found] ` <CAEP_g=8nG6AHV9Y+5=48nPhkf5Oe=mG8EiyaKSqN4omnmGhv4A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-14 9:46 ` Thomas Graf [this message]
2014-01-14 12:31 ` [ovs-dev] " Zoltan Kiss
2014-01-14 16:16 ` [PATCH net-next] openvswitch: Pad OVS_PACKET_ATTR_PACKET if linear copy was performed Thomas Graf
2014-01-14 16:19 ` Thomas Graf
2014-01-14 16:27 ` [PATCH net-next v2] " Thomas Graf
2014-01-14 18:56 ` Zoltan Kiss
2014-01-15 3:03 ` David Miller
2014-01-15 22:53 ` Jesse Gross
-- strict thread matches above, loose matches on Subject: below --
2014-11-10 3:58 [GIT net-next] Open vSwitch Pravin B Shelar
2014-11-11 18:34 ` David Miller
2014-11-04 6:00 Pravin B Shelar
2014-11-05 20:10 ` David Miller
2014-11-05 22:52 ` Pravin Shelar
2014-09-11 22:01 Pravin B Shelar
2014-09-11 23:09 ` Pravin Shelar
2014-07-31 23:57 Pravin B Shelar
2014-08-02 22:16 ` David Miller
2014-08-03 19:20 ` Pravin Shelar
2014-08-04 4:21 ` David Miller
2014-08-04 19:35 ` Pravin Shelar
2014-08-04 19:42 ` David Miller
2014-08-06 22:55 ` Alexei Starovoitov
2014-08-13 13:34 ` Nicolas Dichtel
2014-07-14 0:12 Pravin B Shelar
2014-05-20 8:59 Pravin B Shelar
2014-05-23 18:46 ` David Miller
[not found] ` <20140523.144618.48288319728715940.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-05-23 20:16 ` Pravin Shelar
2014-05-16 21:07 Jesse Gross
[not found] ` <1400274459-56304-1-git-send-email-jesse-l0M0P4e3n4LQT0dZR+AlfA@public.gmane.org>
2014-05-16 21:22 ` David Miller
2013-11-02 7:43 Jesse Gross
2013-11-04 21:26 ` David Miller
2013-10-30 0:22 Jesse Gross
2013-08-27 20:20 Jesse Gross
2013-08-28 2:11 ` David Miller
2013-06-14 22:28 Jesse Gross
2013-06-14 22:34 ` David Miller
2013-04-16 21:00 Jesse Gross
2013-04-17 17:31 ` David Miller
2013-03-15 17:38 Jesse Gross
2013-03-17 16:59 ` David Miller
2012-11-29 18:35 Jesse Gross
2012-11-30 17:03 ` David Miller
2012-09-04 19:14 Jesse Gross
[not found] ` <1346786049-3100-1-git-send-email-jesse-l0M0P4e3n4LQT0dZR+AlfA@public.gmane.org>
2012-09-04 19:26 ` David Miller
2012-07-20 22:26 Jesse Gross
[not found] ` <1342823210-3308-1-git-send-email-jesse-l0M0P4e3n4LQT0dZR+AlfA@public.gmane.org>
2012-07-20 23:17 ` David Miller
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