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Date: Fri, 1 Dec 2023 16:28:44 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Johannes Berg <johannes@...solutions.net>
Cc: linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH wireless-next 0/3] netlink carrier race workaround

On Fri,  1 Dec 2023 11:41:14 +0100 Johannes Berg wrote:
> So I had put this aside for a while, but really got annoyed by all
> the test failures now ... thinking about this again I basically now
> arrived at a variant of solution #3 previously outlined, and I've
> kind of convinced myself that userspace should always get an event
> with a new carrier_up_count as it does today.

Would it work if we exposed "linkwatch is pending" / "link is
transitioning" bit to user space?
Even crazier, would it help if we had rtnl_getlink() run
linkwatch for the target link if linkwatch is pending?

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