linux-kernel - Re: General protection fault in `switch_mm_irqs

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Message-ID: <20190110160240.GE17621@zn.tnic>
Date:   Thu, 10 Jan 2019 17:02:40 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     "Lendacky, Thomas" <Thomas.Lendacky@....com>
Cc:     Paul Menzel <pmenzel@...gen.mpg.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jiri Kosina <jikos@...nel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Tim Chen <tim.c.chen@...ux.intel.com>
Subject: Re: General protection fault in `switch_mm_irqs_off()`

On Thu, Jan 10, 2019 at 03:53:11PM +0000, Lendacky, Thomas wrote:
> Checking the original log file again, it showed the mitigation message
> for IBPB that is just after the above switch statement, so this print
> output is expected. What about applying this patch on top of the patch
> from Boris:

Ha! See the mail I just sent - it has yours + more! :-)

With this funky bug, you never know...

-- 
Regards/Gruss,
    Boris.

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