linux-kernel - Re: [RFC PATCH] arm64: defconfig: Disable fine-grained task level IRQ time accounting

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: <20200803113841.pqqpo4hqfwru3upq@skbuf>
Date:   Mon, 3 Aug 2020 14:38:41 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Kurt Kanzenbach <kurt.kanzenbach@...utronix.de>,
        paulmck@...nel.org, Anna-Maria Gleixner <anna-maria@...utronix.de>,
        catalin.marinas@....com, Alison Wang <alison.wang@....com>,
        linux-kernel@...r.kernel.org, leoyang.li@....com,
        vladimir.oltean@....com, Thomas Gleixner <tglx@...utronix.de>,
        mw@...ihalf.com, will@...nel.org,
        linux-arm-kernel@...ts.infradead.org,
        Marc Zyngier <maz@...nel.org>,
        Valentin Schneider <valentin.schneider@....com>
Subject: Re: [RFC PATCH] arm64: defconfig: Disable fine-grained task level
 IRQ time accounting

On Mon, Aug 03, 2020 at 10:51:32AM +0100, Robin Murphy wrote:
> 
> Having glanced across another thread that mentions IRQ accounting
> recently[1], I wonder if the underlying bug here might have something do to
> with the stuff that Marc's trying to clean up.
> 
> Robin.
> 
> [1] https://lore.kernel.org/linux-arm-kernel/20200624195811.435857-16-maz@kernel.org/

Thanks Robin. I've applied Marc's "[PATCH v2 00/17] arm/arm64: Turning
IPIs into normal interrupts" series and the LS1028A I'm debugging hangs
in absolutely the same way.

-Vladimir