WARNING: suspicious RCU usage (5.11.0-rc7+ #1812 Tainted: G)

Kalle Valo kvalo at codeaurora.org
Wed Feb 10 00:18:13 EST 2021


"Rafael J. Wysocki" <rafael at 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 at kernel.org>

Good, thanks for testing.

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

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



More information about the ath10k mailing list