From: Christoph Hellwig <[email protected]>
To: Jonathan Lemon <[email protected]>
Cc: [email protected], [email protected]
Subject: Re: [PATCH v1 05/15] io_uring: mark pages in ifq region with zctap information.
Date: Wed, 16 Nov 2022 00:12:55 -0800 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On Mon, Nov 07, 2022 at 09:05:11PM -0800, Jonathan Lemon wrote:
> The network stack passes up pages, which must be mapped to
> zctap device buffers in order to get the reference count and
> other items. Mark the page as private, and use the page_private
> field to record the lookup and ownership information.
Who coordinate ownership of page_private here? What other parts
of the kernel could touch these pages?
next prev parent reply other threads:[~2022-11-16 8:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-08 5:05 [PATCH v1 00/15] zero-copy RX for io_uring Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 01/15] io_uring: add zctap ifq definition Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 02/15] netdevice: add SETUP_ZCTAP to the netdev_bpf structure Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 03/15] io_uring: add register ifq opcode Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 04/15] io_uring: create a zctap region for a mapped buffer Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 05/15] io_uring: mark pages in ifq region with zctap information Jonathan Lemon
2022-11-16 8:12 ` Christoph Hellwig [this message]
2022-11-17 20:48 ` Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 06/15] io_uring: Provide driver API for zctap packet buffers Jonathan Lemon
2022-11-16 8:17 ` Christoph Hellwig
2022-11-17 21:01 ` Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 07/15] io_uring: Allocate zctap device buffers and dma map them Jonathan Lemon
2022-11-16 8:15 ` Christoph Hellwig
2022-11-17 20:51 ` Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 08/15] io_uring: Add zctap buffer get/put functions and refcounting Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 09/15] skbuff: Introduce SKBFL_FIXED_FRAG and skb_fixed() Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 10/15] io_uring: Allocate a uarg for use by the ifq RX Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 11/15] io_uring: Define the zctap iov[] returned to the user Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 12/15] io_uring: add OP_RECV_ZC command Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 13/15] io_uring: Make remove_ifq_region a delayed work call Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 14/15] io_uring: Add a buffer caching mechanism for zctap Jonathan Lemon
2022-11-08 5:05 ` [PATCH v1 15/15] io_uring: Notify the application as the fillq is drained Jonathan Lemon
2022-11-09 6:37 ` [PATCH v1 00/15] zero-copy RX for io_uring Dust Li
2022-11-09 15:27 ` Jonathan Lemon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
[email protected] \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox