From: Pavel Begunkov <asml.silence@gmail.com>
To: David Wei <dw@davidwei.uk>,
io-uring@vger.kernel.org, netdev@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH v1 0/7] reverse ifq refcount
Date: Thu, 6 Nov 2025 16:10:32 +0000 [thread overview]
Message-ID: <358f1bb5-d0c2-491e-ad56-4c2f512debfa@gmail.com> (raw)
In-Reply-To: <20251104224458.1683606-1-dw@davidwei.uk>
On 11/4/25 22:44, David Wei wrote:
> Reverse the refcount relationship between ifq and rings i.e. ring ctxs
> and page pool memory providers hold refs on an ifq instead of the other
> way around. This makes ifqs an independently refcounted object separate
> to rings.
>
> This is split out from a larger patchset [1] that adds ifq sharing. It
> will be needed for both ifq export and import/sharing later. Split it
> out as to make dependency management easier.
>
> [1]: https://lore.kernel.org/io-uring/20251103234110.127790-1-dw@davidwei.uk/
FWIW, if 1-3 are merged I can take the rest to the mix with
dependencies for David's work, but it should also be fine if
all 7 go into io_uring-6.19 there shouldn't be any conflicts.
--
Pavel Begunkov
next prev parent reply other threads:[~2025-11-06 16:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-04 22:44 [PATCH v1 0/7] reverse ifq refcount David Wei
2025-11-04 22:44 ` [PATCH v1 1/7] io_uring/memmap: remove unneeded io_ring_ctx arg David Wei
2025-11-06 11:15 ` Pavel Begunkov
2025-11-04 22:44 ` [PATCH v1 2/7] io_uring/memmap: refactor io_free_region() to take user_struct param David Wei
2025-11-06 11:16 ` Pavel Begunkov
2025-11-04 22:44 ` [PATCH v1 3/7] io_uring/rsrc: refactor io_{un}account_mem() to take {user,mm}_struct param David Wei
2025-11-06 11:17 ` Pavel Begunkov
2025-11-04 22:44 ` [PATCH v1 4/7] io_uring/zcrx: add io_zcrx_ifq arg to io_zcrx_free_area() David Wei
2025-11-06 11:18 ` Pavel Begunkov
2025-11-04 22:44 ` [PATCH v1 5/7] io_uring/zcrx: add user_struct and mm_struct to io_zcrx_ifq David Wei
2025-11-06 11:19 ` Pavel Begunkov
2025-11-04 22:44 ` [PATCH v1 6/7] io_uring/zcrx: move io_unregister_zcrx_ifqs() down David Wei
2025-11-06 11:20 ` Pavel Begunkov
2025-11-04 22:44 ` [PATCH v1 7/7] io_uring/zcrx: reverse ifq refcount David Wei
2025-11-06 11:20 ` Pavel Begunkov
2025-11-06 16:10 ` Pavel Begunkov [this message]
2025-11-06 23:21 ` [PATCH v1 0/7] " Jens Axboe
2025-11-06 23:25 ` Jens Axboe
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