From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
Paolo Abeni <pabeni@redhat.com>,
Network Development <netdev@vger.kernel.org>,
Willem de Bruijn <willemb@google.com>,
alexander.h.duyck@intel.com
Subject: Re: [PATCH RFC net-next 00/11] udp gso
Date: Mon, 3 Sep 2018 07:45:40 -0400 [thread overview]
Message-ID: <20180903114540.GA8269@oracle.com> (raw)
In-Reply-To: <20180903080248.GM23674@gauss3.secunet.de>
On (09/03/18 10:02), Steffen Klassert wrote:
> I'm working on patches that builds such skb lists. The list is chained
> at the frag_list pointer of the first skb, all subsequent skbs are linked
> to the next pointer of the skb. It looks like this:
there are some risks to using the frag_list pointer, Alex Duyck
had pointed this out to me in
https://www.mail-archive.com/netdev@vger.kernel.org/msg131081.html
(see last paragraph, or search for the string "gotcha" there)
I dont know the details of your playground patch, but might want to
watch out for those to make sure it is immune to these issues..
--Sowmini
next prev parent reply other threads:[~2018-09-03 16:05 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-17 20:00 [PATCH RFC net-next 00/11] udp gso Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 01/11] udp: expose inet cork to udp Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 02/11] udp: add gso Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 03/11] udp: better wmem accounting on gso Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 04/11] udp: paged allocation with gso Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 05/11] udp: add gso segment cmsg Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 06/11] udp: add gso support to virtual devices Willem de Bruijn
2018-04-18 0:43 ` Dimitris Michailidis
2018-04-18 3:27 ` Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 07/11] udp: zerocopy Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 08/11] selftests: udp gso Willem de Bruijn
2018-04-17 20:00 ` [PATCH RFC net-next 09/11] selftests: udp gso with connected sockets Willem de Bruijn
2018-04-17 20:15 ` [PATCH RFC net-next 00/11] udp gso Sowmini Varadhan
2018-04-17 20:23 ` Willem de Bruijn
2018-04-17 20:48 ` Sowmini Varadhan
2018-04-17 21:07 ` Willem de Bruijn
2018-04-18 2:25 ` Samudrala, Sridhar
2018-04-18 3:33 ` Willem de Bruijn
2018-04-18 12:31 ` Sowmini Varadhan
2018-04-18 13:35 ` Eric Dumazet
2018-04-18 13:47 ` Sowmini Varadhan
2018-04-18 13:51 ` Willem de Bruijn
2018-04-18 15:08 ` Samudrala, Sridhar
2018-04-18 17:40 ` David Miller
2018-04-18 17:34 ` David Miller
2018-04-18 13:59 ` Willem de Bruijn
2018-04-18 14:28 ` Willem de Bruijn
2018-04-18 17:28 ` David Miller
2018-04-18 18:12 ` Alexander Duyck
2018-04-18 18:22 ` Willem de Bruijn
2018-04-20 17:38 ` Alexander Duyck
2018-04-20 21:58 ` Willem de Bruijn
2018-04-21 2:08 ` Alexander Duyck
2018-04-18 19:33 ` David Miller
2018-04-20 18:27 ` Tushar Dave
2018-04-20 20:08 ` Alexander Duyck
2018-04-21 3:11 ` Tushar Dave
2018-08-31 9:09 ` Paolo Abeni
2018-08-31 10:09 ` Eric Dumazet
2018-08-31 13:08 ` Willem de Bruijn
2018-08-31 13:44 ` Paolo Abeni
2018-08-31 15:11 ` Willem de Bruijn
2018-09-03 8:02 ` Steffen Klassert
2018-09-03 11:45 ` Sowmini Varadhan [this message]
2018-04-18 11:17 ` Paolo Abeni
2018-04-18 13:49 ` Willem de Bruijn
2018-05-24 0:02 ` Marcelo Ricardo Leitner
2018-05-24 1:15 ` Willem de Bruijn
2018-04-18 17:24 ` David Miller
2018-04-18 17:50 ` David Miller
2018-04-18 18:12 ` Willem de Bruijn
2018-04-19 17:45 ` David Miller
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