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Message-Id: <592321E4020000780015BD0E@prv-mh.provo.novell.com>
Date:   Mon, 22 May 2017 09:37:40 -0600
From:   "Jan Beulich" <JBeulich@...e.com>
To:     "Juergen Gross" <jgross@...e.com>
Cc:     <xen-devel@...ts.xenproject.org>, <boris.ostrovsky@...cle.com>,
        "Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [PATCH 2/2] xen: add sysfs node for guest type

>>> On 22.05.17 at 17:28, <jgross@...e.com> wrote:
> On 22/05/17 17:23, Konrad Rzeszutek Wilk wrote:
>> On Mon, May 22, 2017 at 10:57:00AM +0200, Juergen Gross wrote:
>>> --- a/Documentation/ABI/testing/sysfs-hypervisor
>>> +++ b/Documentation/ABI/testing/sysfs-hypervisor
>>> @@ -19,6 +19,19 @@ Contact:	xen-devel@...ts.xenproject.org 
>>>  Description:
>>>  		Compiler which was used to build the Xen hypervisor
>>>  
>>> +What:		/sys/hypervisor/guest_type
>>> +Date:		May 2017
>>> +KernelVersion:	4.12
>>> +Contact:	xen-devel@...ts.xenproject.org 
>>> +Description:
>>> +		Type of guest:
>>> +		"native": standard guest type on arm
>>> +		"HVM": fully virtualized guest (x86)
>>> +		"PV": paravirtualized guest (x86)
>>> +		"PVH": fully virtualized guest without legacy emulation (x86)
>>> +		"PVHVM": fully virtualized guest using paravirtualized
>>> +			interfaces (e.g. interrupts, timers) (x86)
>> 
>> What about KVM? Shouldn't that also be here?
> 
> /sys/hypervisor is Xen-only (at least up to now).

How that? It's being created by drivers/base/hypervisor.c,
and iirc had been introduced for s390 originally.

Jan

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