linux-kernel - Re: [PATCH] arch/x86/kernel/cpu/umwait.c

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:   Thu, 08 Aug 2019 18:04:34 -0400
From:   "Valdis Klētnieks" <valdis.kletnieks@...edu>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, LKML <linux-kernel@...r.kernel.org>,
        Fenghua Yu <fenghua.yu@...el.com>
Subject: Re: [PATCH] arch/x86/kernel/cpu/umwait.c - remove unused variable

On Thu, 08 Aug 2019 22:32:38 +0200, Thomas Gleixner said:

> Care to resend the last few with fixed subject lines, so I don't have to
> clean them up?

Will do that later this evening...

> The right thing to do is to have a cpu_offline callback which clears the
> umwait MSR. That covers also the failure in the cpu hotplug setup. Then
> handling an error return makes sense and keeps everything in a workable
> shape.

OK, in that case, toss the umwait patch for now....

Content of type "application/pgp-signature" skipped