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

Avi Kivity
2009-03-29T12:49:28Z

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