From: Jakub Kicinski <kuba@kernel.org>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Martin KaFai Lau <martin.lau@linux.dev>,
Maciej Fijalkowski <maciej.fijalkowski@intel.com>,
bpf <bpf@vger.kernel.org>,
Network Development <netdev@vger.kernel.org>,
"Karlsson, Magnus" <magnus.karlsson@intel.com>,
Stanislav Fomichev <stfomichev@gmail.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>
Subject: Re: [PATCH v2 bpf-next] xsk: use __xsk_rcv_zc_safe for ZC multi-buffer Rx processing
Date: Tue, 17 Mar 2026 15:20:45 -0700 [thread overview]
Message-ID: <20260317152045.58c719a7@kernel.org> (raw)
In-Reply-To: <CAADnVQJ=nryHHb5A3r77H6dzg=vzC97eHe8mCeBA=BMxa=+P5Q@mail.gmail.com>
On Tue, 17 Mar 2026 08:09:08 -0700 Alexei Starovoitov wrote:
> On Mon, Mar 16, 2026 at 5:12 PM Jakub Kicinski <kuba@kernel.org> wrote:
> > On Mon, 16 Mar 2026 15:05:57 +0100 Maciej Fijalkowski wrote:
> > > Commit f620af11c27b ("xsk: avoid double checking against rx queue being
> > > full") addressed a case in copy mode, when working with multi-buffer
> > > xdp_buff, where we were peeking onto XSK Rx queue twice, to find out if
> > > there is a space to produce descriptors.
> > >
> > > Adjust ZC path to follow the same principle.
> >
> > Acked-by: Jakub Kicinski <kuba@kernel.org>
>
> Do you guys need it in net-next in this merge window ?
>
> We have nothing in bpf-next/net so far, so should be fine
> to take this patch into net-next directly?
Somehow __xsk_rcv_zc_safe() landed in bpf-next/master f620af11c27b8ec9
So I think we have limited number of possible moves now :)
next prev parent reply other threads:[~2026-03-17 22:20 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-16 14:05 [PATCH v2 bpf-next] xsk: use __xsk_rcv_zc_safe for ZC multi-buffer Rx processing Maciej Fijalkowski
2026-03-16 15:40 ` Stanislav Fomichev
2026-03-17 0:12 ` Jakub Kicinski
2026-03-17 15:09 ` Alexei Starovoitov
2026-03-17 22:20 ` Jakub Kicinski [this message]
2026-03-18 0:57 ` Alexei Starovoitov
2026-03-18 1:29 ` Jakub Kicinski
2026-03-18 1:43 ` Alexei Starovoitov
2026-03-18 1:52 ` Jakub Kicinski
2026-03-17 1:21 ` Jason Xing
2026-03-18 2:10 ` patchwork-bot+netdevbpf
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