linux-kernel - Re: [PATCH] net: stmmac: dwmac-rk: fix unbalanced pm_runtime

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2ada6f05-fc3a-a301-a008-594f7665a514@wolfvision.net>
Date:   Tue, 14 Sep 2021 12:06:09 +0200
From:   Michael Riesch <michael.riesch@...fvision.net>
To:     Ivan Babrou <ivan@...n.computer>, sashal@...nel.org
Cc:     alexandre.torgue@...s.st.com, davem@...emloft.net,
        joabreu@...opsys.com, kuba@...nel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        mcoquelin.stm32@...il.com, netdev@...r.kernel.org,
        peppe.cavallaro@...com, wens@...nel.org
Subject: Re: [PATCH] net: stmmac: dwmac-rk: fix unbalanced pm_runtime_enable
 warnings

Hello Ivan,

On 9/14/21 3:10 AM, Ivan Babrou wrote:
> Is it possible to revert the patch from the 5.14 and 5.15 as well?
> I've tried upgrading my rockpro64 board from 5.13 to 5.15-rc1 and
> ended up bisecting the issue to this commit like the others. It would
> be nice to spare others from this exercise.

For what it is worth we believe that there is a different issue with the
dwmac-rk driver that was obscured by calling pm_runtime_get_sync()
early. Investigation in progress -- I hope that we can achieve a proper
solution before we have to revert the revert.

Best regards,
Michael