Re: [PATCH] x86/xen: Calculate __max_logical_packages on PV domains

From: Simon Gaiser
Date: Tue Feb 27 2018 - 12:08:26 EST


Boris Ostrovsky:
> 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@xxxxxxxxxx>
>> Tested-and-reported-by: Simon Gaiser <simon@xxxxxxxxxxxxxxxxxxxxxx>
>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
>> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
>> Cc: x86@xxxxxxxxxx
>> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
>> Cc: Juergen Gross <jgross@xxxxxxxx>
>> Cc: Dou Liyang <douly.fnst@xxxxxxxxxxxxxx>
>> Cc: Prarit Bhargava <prarit@xxxxxxxxxx>
>> Cc: Kate Stewart <kstewart@xxxxxxxxxxxxxxxxxxx>
>> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>> Cc: Andy Lutomirski <luto@xxxxxxxxxx>
>> Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>> Cc: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
>> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
>
>
> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

The fixed bug is in 4.15 so it should get into stable. It's
63e708f826bb21470155d37b103a75d8a9e25b18 upstream.

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