From: Jakub Kicinski <kuba@kernel.org>
To: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org,
magnus.karlsson@intel.com, stfomichev@gmail.com,
pabeni@redhat.com, horms@kernel.org, ast@kernel.org,
daniel@iogearbox.net
Subject: Re: [PATCH v2 bpf-next] xsk: use __xsk_rcv_zc_safe for ZC multi-buffer Rx processing
Date: Mon, 16 Mar 2026 17:12:00 -0700 [thread overview]
Message-ID: <20260316171200.4b8a96a0@kernel.org> (raw)
In-Reply-To: <20260316140557.461288-1-maciej.fijalkowski@intel.com>
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>
next prev parent reply other threads:[~2026-03-17 0:12 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 [this message]
2026-03-17 15:09 ` Alexei Starovoitov
2026-03-17 22:20 ` Jakub Kicinski
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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