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Re: regression: ath_tx_edma_tasklet() Illegal idle entry in RCU read-side critical section

To: "Valo, Kalle" <kvalo@xxxxxxxxxxxxxxxx>
Subject: Re: regression: ath_tx_edma_tasklet() Illegal idle entry in RCU read-side critical section
From: Tobias Klausmann <tobias.johannes.klausmann@xxxxxxxxxx>
Date: Sun, 18 Dec 2016 21:04:07 +0100
Cc: "paulmck@xxxxxxxxxxxxxxxxxx" <paulmck@xxxxxxxxxxxxxxxxxx>, Gabriel C <nix.or.die@xxxxxxxxx>, lkml <linux-kernel@xxxxxxxxxxxxxxx>, ath9k-devel <ath9k-devel@xxxxxxxxxxxxxxxx>, "linux-wireless@xxxxxxxxxxxxxxx" <linux-wireless@xxxxxxxxxxxxxxx>, "ath9k-devel@xxxxxxxxxxxxxxx" <ath9k-devel@xxxxxxxxxxxxxxxx>, "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, "nbd@xxxxxxxx" <nbd@xxxxxxxx>
In-reply-to: <87pokpc8ng.fsf@qca.qualcomm.com>
References: <23a2a3ab-974a-ed26-6afa-aafab9bb972e@gmail.com> <20161218155938.GP3924@linux.vnet.ibm.com> <58b67d5b-0275-f80f-479f-78cf748b4319@mni.thm.de> <87pokpc8ng.fsf@qca.qualcomm.com>
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On 18.12.2016 20:57, Valo, Kalle wrote:

Tobias Klausmann <tobias.johannes.klausmann@xxxxxxxxxx> writes:

A patch for this is already floating on the ML for a while now latest:
(ath9k: do not return early to fix rcu unlocking)

It's here:

https://patchwork.kernel.org/patch/9472709/


Good to know!

Hopefully Kalle will include it in one of his upcoming pull requests.

Yes, I'll try to get it to 4.10-rc2.


Thanks for the update!

References:
- regression: ath_tx_edma_tasklet() Illegal idle entry in RCU read-side critical section
  - From: Gabriel C
- Re: regression: ath_tx_edma_tasklet() Illegal idle entry in RCU read-side critical section
  - From: Paul E. McKenney
- Re: regression: ath_tx_edma_tasklet() Illegal idle entry in RCU read-side critical section
  - From: Tobias Klausmann
- Re: regression: ath_tx_edma_tasklet() Illegal idle entry in RCU read-side critical section
  - From: Valo, Kalle