netdev - Re: [PATCH io_uring for-6.18 00/20] zcrx for-6.18 updates

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Message-Id: <175804785727.344121.4196119067317346525.b4-ty@kernel.dk>
Date: Tue, 16 Sep 2025 12:37:37 -0600
From: Jens Axboe <axboe@...nel.dk>
To: io-uring@...r.kernel.org, Pavel Begunkov <asml.silence@...il.com>
Cc: netdev@...r.kernel.org
Subject: Re: [PATCH io_uring for-6.18 00/20] zcrx for-6.18 updates


On Tue, 16 Sep 2025 15:27:43 +0100, Pavel Begunkov wrote:
> A bunch of assorted zcrx patches for 6.18, which includes
> - Improve refill entry alignment for better caching (Patch 1)
> - Various cleanups, especially around deduplicating normal memory vs
>   dmabuf setup.
> - Generalisation of the niov size (Patch 12). It's still hard coded to
>   PAGE_SIZE on init, but will let the user to specify the rx buffer
>   length on setup.
> - Syscall / synchronous bufer return (Patch 19). It'll be used as a
>   slow fallback path for returning buffers when the refill queue is
>   full. Useful for tolerating slight queue size misconfiguration or
>   with inconsistent load.
> - Accounting more memory to cgroups (Patch 20)
> - Additional independent cleanups that will also be useful for
>   mutli-area support.
> 
> [...]

Applied, thanks!

[01/20] io_uring/zcrx: improve rqe cache alignment
        commit: 9eb3c571787d1ef7e2c3393c153b1a6b103a26e3
[02/20] io_uring/zcrx: replace memchar_inv with is_zero
        commit: bdc0d478a1632a72afa6d359d7fdd49dd08c0b25
[03/20] io_uring/zcrx: use page_pool_unref_and_test()
        commit: d5e31db9a950f1edfa20a59e7105e9cc78135493
[04/20] io_uring/zcrx: remove extra io_zcrx_drop_netdev
        commit: c49606fc4be78da6c7a7c623566f6cf7663ba740
[05/20] io_uring/zcrx: don't pass slot to io_zcrx_create_area
        commit: d425f13146af0ef10b8f1dc7cc9fd700ce7c759e
[06/20] io_uring/zcrx: move area reg checks into io_import_area
        commit: 01464ea405e13789bf4f14c7d4e9fa97f0885d46
[07/20] io_uring/zcrx: check all niovs filled with dma addresses
        commit: d7ae46b454eb05e3df0d46c2ac9c61416a4d9057
[08/20] io_uring/zcrx: pass ifq to io_zcrx_alloc_fallback()
        commit: 02bb047b5f42ed30ca97010069cb36cd3afb74e1
[09/20] io_uring/zcrx: deduplicate area mapping
        commit: 439a98b972fbb1991819b5367f482cd4161ba39c
[10/20] io_uring/zcrx: remove dmabuf_offset
        commit: 6c185117291a85937fa67d402efc4f11b2891c6a
[11/20] io_uring/zcrx: set sgt for umem area
        commit: 5d93f7bade0b1eb60d0f395ad72b35581d28a896
[12/20] io_uring/zcrx: make niov size variable
        commit: d8d135dfe3e8e306d9edfcccf28dbe75c6a85567
[13/20] io_uring/zcrx: rename dma lock
        commit: 4f602f3112c8271e32bea358dd2a8005d32a5bd5
[14/20] io_uring/zcrx: protect netdev with pp_lock
        commit: 20dda449c0b6297ed7c13a23a1207ed072655bff
[15/20] io_uring/zcrx: reduce netmem scope in refill
        commit: 73fa880effc5644aaf746596acb1b1efa44606df
[16/20] io_uring/zcrx: use guards for the refill lock
        commit: c95257f336556de05f26dc88a890fb2a59364939
[17/20] io_uring/zcrx: don't adjust free cache space
        commit: 5a8b6e7c1d7b5863faaf392eafa089bd599a8973
[18/20] io_uring/zcrx: introduce io_parse_rqe()
        commit: 8fd08d8dda3c6c4e9f0b73acdcf8a1cf391b0c8f
[19/20] io_uring/zcrx: allow synchronous buffer return
        commit: 705d2ac7b2044f1ca05ba6033183151a04dbff4d
[20/20] io_uring/zcrx: account niov arrays to cgroup
        commit: 31bf77dcc3810e08bcc7d15470e92cdfffb7f7f1

Best regards,
-- 
Jens Axboe