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Subject: Re: [PATCH] x86/xen: Calculate __max_logical_packages on PV domains
To:     linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>
Cc:     Boris Ostrovsky <boris.ostrovsky@oracle.com>,
        Prarit Bhargava <prarit@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>, x86@kernel.org,
        Dou Liyang <douly.fnst@cn.fujitsu.com>,
        Kate Stewart <kstewart@linuxfoundation.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andy Lutomirski <luto@kernel.org>,
        Andi Kleen <ak@linux.intel.com>,
        Vitaly Kuznetsov <vkuznets@redhat.com>,
        xen-devel@lists.xenproject.org, simon@invisiblethingslab.com
References: <20180207234923.13544-1-prarit@redhat.com>
 <5607eaea-5cc3-31a4-9685-1d7dd147f564@oracle.com>
From:   Juergen Gross <jgross@suse.com>
Message-ID: <0e2775c8-2114-e554-dd0f-7222300e3e27@suse.com>
Date:   Thu, 8 Feb 2018 09:49:40 +0100
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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@redhat.com>
>> Tested-and-reported-by: Simon Gaiser <simon@invisiblethingslab.com>
>> Cc: Thomas Gleixner <tglx@linutronix.de>
>> Cc: Ingo Molnar <mingo@redhat.com>
>> Cc: "H. Peter Anvin" <hpa@zytor.com>
>> Cc: x86@kernel.org
>> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
>> Cc: Juergen Gross <jgross@suse.com>
>> Cc: Dou Liyang <douly.fnst@cn.fujitsu.com>
>> Cc: Prarit Bhargava <prarit@redhat.com>
>> Cc: Kate Stewart <kstewart@linuxfoundation.org>
>> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>> Cc: Andy Lutomirski <luto@kernel.org>
>> Cc: Andi Kleen <ak@linux.intel.com>
>> Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
>> Cc: xen-devel@lists.xenproject.org
> 
> 
> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

Thomas, Ingo, are you taking this via the tip tree or should I take
it via the xen tree?


Juergen