linux-kernel - Re: [PATCH 7/7] kvm x86: report 1GB page support to userspace

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Message-ID: <49CF6E47.3050402@redhat.com>
Date:	Sun, 29 Mar 2009 15:49:11 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Joerg Roedel <joro@...tes.org>
CC:	Joerg Roedel <joerg.roedel@....com>,
	Marcelo Tosatti <mtosatti@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] kvm x86: report 1GB page support to userspace

Joerg Roedel wrote:
>>>  	int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
>>>  	int (*get_tdp_level)(void);
>>>  	int (*get_mt_mask_shift)(void);
>>> +
>>> +	bool (*gb_page_enable)(void);
>>>  };
>>>   
>>>       
>> Should enable unconditionally.  Of course we need to find the shadow bug  
>> first, may be the has_wrprotected thingy.
>>     
>
> This was the original plan. But how about VMX with EPT enabled? I am not
> sure but I think this configuration will not support gbpages?
>
> 	

You're right.  Let's have a ->max_host_page_level() to handle that.  
It's 0.5T pages ready, too.

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

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