linux-kernel - Re: [PATCH] x86/xen: Calculate __max_logical

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Message-ID: <20180213122920.4afcvqqxcstbftan@gmail.com>
Date:   Tue, 13 Feb 2018 13:29:20 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Juergen Gross <jgross@...e.com>
Cc:     linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Prarit Bhargava <prarit@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Dou Liyang <douly.fnst@...fujitsu.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Lutomirski <luto@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        xen-devel@...ts.xenproject.org, simon@...isiblethingslab.com
Subject: Re: [PATCH] x86/xen: Calculate __max_logical_packages on PV domains


* Juergen Gross <jgross@...e.com> wrote:

> On 08/02/18 01:59, Boris Ostrovsky wrote:
> > 
> > 
> > On 02/07/2018 06:49 PM, Prarit Bhargava wrote:
> >> The kernel panics on PV domains because native_smp_cpus_done() is
> >> only called for HVM domains.
> >>
> >> Calculate __max_logical_packages for PV domains.
> >>
> >> Fixes: b4c0a7326f5d ("x86/smpboot: Fix __max_logical_packages estimate")
> >> Signed-off-by: Prarit Bhargava <prarit@...hat.com>
> >> Tested-and-reported-by: Simon Gaiser <simon@...isiblethingslab.com>
> >> Cc: Thomas Gleixner <tglx@...utronix.de>
> >> Cc: Ingo Molnar <mingo@...hat.com>
> >> Cc: "H. Peter Anvin" <hpa@...or.com>
> >> Cc: x86@...nel.org
> >> Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> >> Cc: Juergen Gross <jgross@...e.com>
> >> Cc: Dou Liyang <douly.fnst@...fujitsu.com>
> >> Cc: Prarit Bhargava <prarit@...hat.com>
> >> Cc: Kate Stewart <kstewart@...uxfoundation.org>
> >> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> >> Cc: Andy Lutomirski <luto@...nel.org>
> >> Cc: Andi Kleen <ak@...ux.intel.com>
> >> Cc: Vitaly Kuznetsov <vkuznets@...hat.com>
> >> Cc: xen-devel@...ts.xenproject.org
> > 
> > 
> > Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
> 
> Thomas, Ingo, are you taking this via the tip tree or should I take
> it via the xen tree?

Since it's supposed to only affect Xen feel free to pick it up:

  Acked-by: Ingo Molnar <mingo@...nel.org>

Thanks,

	Ingo