linux-kernel - Re: gpio: pcf857x: lockdep warning on v4.10-rc3

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]

Date:   Wed, 11 Jan 2017 16:38:30 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Roger Quadros <rogerq@...com>
Cc:     Tony Lindgren <tony@...mide.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        linux-omap <linux-omap@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: gpio: pcf857x: lockdep warning on v4.10-rc3

On Tue, Jan 10, 2017 at 1:18 PM, Roger Quadros <rogerq@...com> wrote:

> Hi Linus,
>
> I see the following lockdep warning on v4.10-rc3 on TI's dra7-evm.
>
> reverting (d245b3f9bd3 "gpio: simplify adding threaded interrupts") seems to fix it.

I sent out a patch today:
"gpio: provide lockdep keys for nested/unnested irqchips"

could you test and see if it solves your problem?

Yours,
Linus Walleij