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From: Kalle Valo <kvalo@codeaurora.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Paul McKenney <paulmck@kernel.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	LKML <linux-kernel@vger.kernel.org>,
	ath10k@lists.infradead.org,
	Johannes Berg <johannes@sipsolutions.net>
Subject: Re: WARNING: suspicious RCU usage (5.11.0-rc7+ #1812 Tainted: G)
Date: Wed, 10 Feb 2021 07:18:13 +0200	[thread overview]
Message-ID: <87pn18tsa2.fsf@codeaurora.org> (raw)
In-Reply-To: <CAJZ5v0iX0Bn7qjTB6S8exox_NYujAupUy4XkJAyFVNDjvnnZXg@mail.gmail.com> (Rafael J. Wysocki's message of "Tue, 9 Feb 2021 18:44:21 +0100")

"Rafael J. Wysocki" <rafael@kernel.org> writes:

>> > AFAICT that's a simple 'use RCU without holding rcu_read_lock' warning.
>> > I've not dug through ath10k to see who should be doing rcu_read_lock,
>> > but the few places I did look at don't seem to have changed recently.
>>
>> Just this morning I applied a patch which should fix this:
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=ath-next&id=2615e3cdbd9c0e864f5906279c952a309871d225
>>
>> Please let me know if it fixes the issue.
>
> The traces are gone after applying this patch, so it does help:
>
> Tested-by: Rafael J. Wysocki <rafael@kernel.org>

Good, thanks for testing.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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      reply	other threads:[~2021-02-10  5:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <2578278.ATerS0GEoy@kreacher>
     [not found] ` <YCJyJgEeiQqBRgzL@hirez.programming.kicks-ass.net>
2021-02-09 11:54   ` Kalle Valo
2021-02-09 17:44     ` Rafael J. Wysocki
2021-02-10  5:18       ` Kalle Valo [this message]

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