Thread (15 messages) 15 messages, 5 authors, 2021-01-26

RE: pull-request: mac80211 2021-01-18.2

From: Peer, Ilan <hidden>
Date: 2021-01-24 09:28:21
Also in: linux-wireless

-----Original Message-----
From: Johannes Berg <johannes@sipsolutions.net>
Sent: Sunday, January 24, 2021 00:16
To: Hans de Goede <redacted>; netdev@vger.kernel.org
Cc: linux-wireless@vger.kernel.org; Peer, Ilan <redacted>;
Coelho, Luciano [off-list ref]
Subject: Re: pull-request: mac80211 2021-01-18.2

On Sat, 2021-01-23 at 22:31 +0100, Hans de Goede wrote:
quoted
So I'm afraid that I have some bad news about this patch, it fixes the
RCU warning which I reported:

https://lore.kernel.org/linux-wireless/20210104170713.66956-1-hdegoede
@redhat.com/

But it introduces a deadlock. See:

https://lore.kernel.org/linux-wireless/d839ab62-e4bc-56f0-d861-f172bf1
9c4b3@redhat.com/

for details. Note we really should fix this new deadlock before 5.11
is released. This is worse then the RCU warning which this patch fixes.
Ouch. Thanks for the heads-up. I guess I'll revert both patches for now,
unless we can quickly figure out a way to get all these paths in order.
Thanks Hans and Johannes for handling this. I'll try to come up with a solution.

Regards,

Ilan.
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