linux-kernel - Re: [QUERY] lguest64

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Message-ID: <51F91030.9060606@zytor.com>
Date:	Wed, 31 Jul 2013 06:25:04 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
CC:	Mike Rapoport <mike.rapoport@...il.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Ramkumar Ramachandra <artagnon@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [QUERY] lguest64

On 07/31/2013 06:17 AM, Konrad Rzeszutek Wilk wrote:
>>
>> The big problem with pvops is that they are a permanent tax on future
>> development -- a classic case of "the hooks problem."  As such it is
>> important that there be a real, significant, use case with enough users
>> to make the pain worthwhile.  With Xen looking at sunsetting PV support
>> with a long horizon, it might currently be possible to remove pvops some
> 
> PV MMU parts specifically.
> 

Pretty much stuff that is driverized on plain hardware doesn't matter.
What are you looking at with respect to the basic CPU control state?

	-hpa


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