linux-kernel - Re: [PATCH v2] x86/cpu: Reinitialize IA32_FEAT

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Message-ID: <20200625132610.GD20319@zn.tnic>
Date:   Thu, 25 Jun 2020 15:26:10 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        the arch/x86 maintainers <x86@...nel.org>,
        Tony W Wang-oc <TonyWWang-oc@...oxin.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Pavel Machek <pavel@....cz>, "H. Peter Anvin" <hpa@...or.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Brad Campbell <lists2009@...rfbargle.com>,
        Liam Merwick <liam.merwick@...cle.com>,
        Maxim Levitsky <mlevitsk@...hat.com>,
        kvm-devel <kvm@...r.kernel.org>
Subject: Re: [PATCH v2] x86/cpu: Reinitialize IA32_FEAT_CTL MSR on BSP during
 wakeup

On Thu, Jun 25, 2020 at 02:27:46PM +0200, Paolo Bonzini wrote:
> > Given the regression fix nature of this patch, is it being taken care
> > of by anyone (tip in particular) already?
> 
> I was waiting for tip to pick it up, but I can as well with an Acked-by
> (KVM is broken by the patch but there's nothing KVM specific in it).

https://git.kernel.org/tip/5d5103595e9e53048bb7e70ee2673c897ab38300

will be in -rc3, most likely.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette