linux-kernel - Re: [tip: timers/core] hrtimer: Consolidate reprogramming code

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 for Android: free password hash cracker in your pocket

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

Message-ID: <87pmuiha6l.ffs@tglx>
Date:   Thu, 12 Aug 2021 18:58:26 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org,
        linux-tip-commits@...r.kernel.org
Cc:     Peter Zijlstra <peterz@...radead.org>, x86@...nel.org
Subject: Re: [tip: timers/core] hrtimer: Consolidate reprogramming code

On Thu, Aug 12 2021 at 17:31, Mike Galbraith wrote:
> On Thu, 2021-08-12 at 17:22 +0200, Thomas Gleixner wrote:
>> >
>> > Config attached just in case.
>>
>> I rather assume it's a hardware dependency. What kind of machine are you
>> using?
>
> Desktop box is a garden variety MEDION i4790 box with an Nvidia GTX980.
> Lappy is an HP Spectre 360 i5-6200U w. i915 graphics.  Very mundane.

Hmm, spectre induced timer meltdown? :)

Anyway I found a box which exposes the problem. Investigating...

Thanks,

        tglx