From: Pavel Begunkov <asml.silence@gmail.com>
To: "Clément Léger" <cleger@meta.com>,
io-uring@vger.kernel.org, "Jens Axboe" <axboe@kernel.dk>
Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-kselftest@vger.kernel.org, netdev@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Simon Horman <horms@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Vishwanath Seshagiri <vishs@fb.com>,
Vishwanath Seshagiri <vishs@meta.com>
Subject: Re: [PATCH 1/5] io_uring/zcrx: notify user when out of buffers
Date: Tue, 12 May 2026 11:59:26 +0100 [thread overview]
Message-ID: <1ae85366-de3e-4891-8581-bdfc6e605a23@gmail.com> (raw)
In-Reply-To: <20260422112522.3316660-2-cleger@meta.com>
On 4/22/26 12:25, Clément Léger wrote:
> From: Pavel Begunkov <asml.silence@gmail.com>
...
> +static void zcrx_notif_tw(struct io_tw_req tw_req, io_tw_token_t tw)
> +{
> + struct io_kiocb *req = tw_req.req;
> + struct io_ring_ctx *ctx = req->ctx;
> +
> + io_post_aux_cqe(ctx, req->cqe.user_data, req->cqe.res, 0);
> + percpu_ref_put(&ctx->refs);
> + kfree_rcu(req, rcu_head);
> +}
Note to myself:
io_poison_req(req);
kmem_cache_free(req_cachep, req);
--
Pavel Begunkov
next prev parent reply other threads:[~2026-05-12 10:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-22 11:25 [PATCH 0/5] io_uring/zcrx: add CQE based notifications and stats reporting Clément Léger
2026-04-22 11:25 ` [PATCH 1/5] io_uring/zcrx: notify user when out of buffers Clément Léger
2026-05-12 10:59 ` Pavel Begunkov [this message]
2026-04-22 11:25 ` [PATCH 2/5] io_uring/zcrx: notify user on frag copy fallback Clément Léger
2026-05-12 11:02 ` Pavel Begunkov
2026-04-22 11:25 ` [PATCH 3/5] io_uring/zcrx: add shared-memory notification statistics Clément Léger
2026-04-22 11:25 ` [PATCH 4/5] Documentation: networking: document zcrx notifications and statistics Clément Léger
2026-04-22 11:25 ` [PATCH 5/5] selftests: iou-zcrx: add notification and stats test for zcrx Clément Léger
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