From: Jakub Kicinski <kuba@kernel.org>
To: Pavel Begunkov <asml.silence@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>, Paolo Abeni <pabeni@redhat.com>,
"David S . Miller" <davem@davemloft.net>,
io-uring@vger.kernel.org, netdev@vger.kernel.org,
Stefan Metzmacher <metze@samba.org>
Subject: Re: [PATCH for-6.1 1/3] net: flag sockets supporting msghdr originated zerocopy
Date: Fri, 21 Oct 2022 09:14:04 -0700 [thread overview]
Message-ID: <20221021091404.58d244af@kernel.org> (raw)
In-Reply-To: <3dafafab822b1c66308bb58a0ac738b1e3f53f74.1666346426.git.asml.silence@gmail.com>
On Fri, 21 Oct 2022 11:16:39 +0100 Pavel Begunkov wrote:
> We need an efficient way in io_uring to check whether a socket supports
> zerocopy with msghdr provided ubuf_info. Add a new flag into the struct
> socket flags fields.
>
> Cc: <stable@vger.kernel.org> # 6.0
> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
> ---
> include/linux/net.h | 1 +
> net/ipv4/tcp.c | 1 +
> net/ipv4/udp.c | 1 +
> 3 files changed, 3 insertions(+)
>
> diff --git a/include/linux/net.h b/include/linux/net.h
> index 711c3593c3b8..18d942bbdf6e 100644
> --- a/include/linux/net.h
> +++ b/include/linux/net.h
> @@ -41,6 +41,7 @@ struct net;
> #define SOCK_NOSPACE 2
> #define SOCK_PASSCRED 3
> #define SOCK_PASSSEC 4
> +#define SOCK_SUPPORT_ZC 5
Acked-by: Jakub Kicinski <kuba@kernel.org>
Any idea on when this will make it to Linus? If within a week we can
probably delay:
https://lore.kernel.org/all/dc549a4d5c1d2031c64794c8e12bed55afb85c3e.1666287924.git.pabeni@redhat.com/
and avoid the conflict.
next prev parent reply other threads:[~2022-10-21 16:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-21 10:16 [PATCH for-6.1 0/3] fail io_uring zc with sockets not supporting it Pavel Begunkov
2022-10-21 10:16 ` [PATCH for-6.1 1/3] net: flag sockets supporting msghdr originated zerocopy Pavel Begunkov
2022-10-21 16:14 ` Jakub Kicinski [this message]
2022-10-22 15:57 ` Pavel Begunkov
2022-10-22 16:07 ` Jens Axboe
2022-10-24 12:49 ` Stefan Metzmacher
2022-10-24 14:12 ` Stefan Metzmacher
2022-10-24 17:00 ` Pavel Begunkov
2022-10-24 17:45 ` Stefan Metzmacher
2022-10-21 10:16 ` [PATCH for-6.1 2/3] io_uring/net: fail zc send when unsupported by socket Pavel Begunkov
2022-10-21 10:16 ` [PATCH for-6.1 3/3] io_uring/net: fail zc sendmsg " Pavel Begunkov
2022-10-21 10:27 ` [PATCH for-6.1 0/3] fail io_uring zc with sockets not supporting it Stefan Metzmacher
2022-10-21 10:42 ` Pavel Begunkov
2022-10-21 12:49 ` Stefan Metzmacher
2022-10-24 20:40 ` patchwork-bot+netdevbpf
2022-10-24 21:15 ` Jakub Kicinski
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=20221021091404.58d244af@kernel.org \
--to=kuba@kernel.org \
--cc=asml.silence@gmail.com \
--cc=axboe@kernel.dk \
--cc=davem@davemloft.net \
--cc=io-uring@vger.kernel.org \
--cc=metze@samba.org \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.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).