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From: Stanislav Fomichev <sdf.kernel@gmail.com>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
	pabeni@redhat.com, horms@kernel.org, hawk@kernel.org,
	ilias.apalodimas@linaro.org, asml.silence@gmail.com,
	axboe@kernel.dk, sdf@fomichev.me, bobbyeshleman@meta.com,
	almasrymina@google.com, kaiyuanz@google.com,
	linux-kernel@vger.kernel.org, io-uring@vger.kernel.org
Subject: [PATCH net-next 0/3] net: consolidate net_iov freelist and DMA handling
Date: Tue, 22 Sep 2026 13:43:45 -0700	[thread overview]
Message-ID: <20260922204348.717198-1-sdf@fomichev.me> (raw)

Follow up on the recently merged devmem gen_pool removal by consolidating
the remaining net_iov freelist and DMA-address handling.

- move shared freelist state and operations into net_iov_area
- switch devmem to public memory-provider helpers and reject DMA
  addresses that cannot be represented
- decode stored DMA addresses for TX on 32-bit systems with 64-bit
  dma_addr_t

Stanislav Fomichev (3):
  net: netmem: add net_iov_area freelist helpers
  net: devmem: use memory provider helpers for net_iovs
  net: devmem: decode DMA addresses for TX

 include/linux/skbuff.h          |  7 ++-
 include/net/netmem.h            | 55 ++++++++++++++++++++++-
 include/net/page_pool/helpers.h | 10 +----
 io_uring/zcrx.c                 | 25 ++++-------
 io_uring/zcrx.h                 |  4 --
 net/core/devmem.c               | 77 +++++++++++++++------------------
 net/core/devmem.h               |  7 ++-
 net/core/page_pool_priv.h       | 14 +-----
 8 files changed, 108 insertions(+), 91 deletions(-)

-- 
2.53.0-Meta


             reply	other threads:[~2026-09-22 20:43 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-22 20:43 Stanislav Fomichev [this message]
2026-09-22 20:43 ` [PATCH net-next 1/3] net: netmem: add net_iov_area freelist helpers Stanislav Fomichev
2026-09-23 23:46   ` netdev-bot+sashiko
2026-09-24 16:28     ` Stanislav Fomichev
2026-09-24 15:02   ` Mina Almasry
2026-09-24 15:41     ` Pavel Begunkov
2026-09-24 16:46       ` Mina Almasry
2026-09-25 11:11         ` Pavel Begunkov
2026-09-24 16:48       ` Stanislav Fomichev
2026-09-25 11:42         ` Pavel Begunkov
2026-09-25 15:49           ` Stanislav Fomichev
2026-09-24 16:45     ` Stanislav Fomichev
2026-09-22 20:43 ` [PATCH net-next 2/3] net: devmem: use memory provider helpers for net_iovs Stanislav Fomichev
2026-09-23 23:46   ` netdev-bot+sashiko
2026-09-24 16:25     ` Stanislav Fomichev
2026-09-24 15:15   ` Mina Almasry
2026-09-22 20:43 ` [PATCH net-next 3/3] net: devmem: decode DMA addresses for TX Stanislav Fomichev
2026-09-24 19:26   ` Mina Almasry

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