Thread (3 messages) 3 messages, 2 authors, 2d ago

Re: [PATCH] wifi: wext: Limit notifier event flushes to the device's netns

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From: Johannes Berg <johannes@sipsolutions.net>
Date: 2026-10-21 15:21:51
Also in: linux-wireless

On Wed, 2026-10-21 at 17:41 +0300, Cosmin Ratiu wrote:
With mlx5 netdev instance locking enabled, registering an IPoIB netdev
calls the WEXT notifier while holding the instance mutex.
I hate wext :)
It may seem strange that the fix for a lock cycle across multiple
subsystems lies in a completely unrelated part of the code, but this
seemed the most justified lock cycle edge to break.
Yeah, seems fair. Finally a good reason for my ~17 year old commit to
have the wext events per netns? Today I'd probably have rejected it as
useless churn ;-)

LGTM.

johannes
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