linux-kernel - Re: [PATCH v3 00/19] irqdomain: fix mapping race and clean up locking

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: <87lengcq13.ffs@tglx>
Date:   Fri, 09 Dec 2022 20:53:28 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Johan Hovold <johan@...nel.org>
Cc:     Johan Hovold <johan+linaro@...nel.org>,
        Marc Zyngier <maz@...nel.org>, x86@...nel.org,
        platform-driver-x86@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 00/19] irqdomain: fix mapping race and clean up locking

On Fri, Dec 09 2022 at 17:16, Johan Hovold wrote:
> On Fri, Dec 09, 2022 at 04:51:00PM +0100, Thomas Gleixner wrote:
>> On Fri, Dec 09 2022 at 15:01, Johan Hovold wrote:
>> > Parallel probing (e.g. due to asynchronous probing) of devices that
>> > share interrupts can currently result in two mappings for the same
>> > hardware interrupt to be created.
>> >
>> > This series fixes this mapping race and clean up the irqdomain locking
>> > so that in the end the global irq_domain_mutex is only used for managing
>> > the likewise global irq_domain_list, while domain operations (e.g.
>> > IRQ allocations) use per-domain (hierarchy) locking.
>> 
>> Can you please rebase that on top of:
>> 
>>   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
>
> The series is based on next-20221208 which should contain that branch in
> its current state if I'm not mistaken.
>
> I just tried applying it on top of irq/core and did not notice any
> problems.

Sorry for the noise. Pilot error. -ETOOMANYBRANCHES :)