linux-kernel - Re: [PATCH] Add Documentation/kvm/msr.txt

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Message-ID: <4C022C6D.7070701@redhat.com>
Date:	Sun, 30 May 2010 12:14:21 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Glauber Costa <glommer@...hat.com>
CC:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	zamsden@...hat.com
Subject: Re: [PATCH] Add Documentation/kvm/msr.txt

On 05/27/2010 07:02 PM, Glauber Costa wrote:
>>
>>> +
>>> +Custom MSR list
>>> +--------
>>> +
>>> +The current supported Custom MSR list is:
>>> +
>>> +MSR_KVM_WALL_CLOCK:  0x11
>>> +
>>> +	data: physical address of a memory area.
>>>        
>> Which must be in guest RAM (i.e., don't point it somewhere random
>> and expect the hypervisor to allocate it for you).
>>
>> Must be aligned to 4 bytes (we don't enforce it though).
>>      
> I don't see the reason for it.
>    

Insurance.

> If this is a requirement, our own implementation
> is failing to meet it.
>    

How are we failing to meet it?  All guests align to at least four bytes.

-- 
error compiling committee.c: too many arguments to function

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