linux-kernel - Re: [QUERY] lguest64

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Message-ID: <87zjte9iah.fsf@rustcorp.com.au>
Date:	Tue, 23 Jul 2013 10:58:06 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	"H. Peter Anvin" <hpa@...or.com>,
	Ramkumar Ramachandra <artagnon@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [QUERY] lguest64

"H. Peter Anvin" <hpa@...or.com> writes:
> On 07/19/2013 02:06 AM, Ramkumar Ramachandra wrote:
>> Hi,
>> 
>> I tried building lguest to play with it, but was disappointed to find
>> this in the Kconfig:
>> 
>>   depends on X86_32
>> 
>> Why is this [1]?  What is so hard about supporting 64-bit machines?  I
>> found a five-year old tree that claims to do lguest64 [2], but didn't
>> investigate further.
>> 
>
> Please don't have us deal with another lguest unless there is a use case
> for it.  We want to reduce pvops and pvops users, not increase them...
>
> 	-hpa

Yes, the subset of x86-64 machines for which there isn't hardware
virtualization support is pretty uninteresting.

Cheers,
Rusty.
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