Thread (24 messages) 24 messages, 4 authors, 2026-04-13

Re: [PATCH net-next v7 01/10] net: team: Annotate reads and writes for mixed lock accessed values

From: Kuniyuki Iwashima <kuniyu@google.com>
Date: 2026-04-10 05:55:53
Also in: linux-kselftest, lkml

On Wed, Apr 8, 2026 at 7:59 PM Marc Harvey [off-list ref] wrote:
The team_port's "index" and the team's "en_port_count" are read in
the hot transmit path, but are only written to when holding the rtnl
lock.

Use READ_ONCE() for all lockless reads of these values, and use
WRITE_ONCE() for all writes.

Reviewed-by: Jiri Pirko <redacted>
Signed-off-by: Marc Harvey <redacted>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>

fwiw, Sashiko's review is orthogonal to this patch;
the comments are for the existing code before this patch.
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