Re: [Xen-devel] [PATCH v2 04/12] x86/altp2m: basic data structures and support routines.

[Ed White <edmund.h.white@xxxxxxxxx>]

On 06/26/2015 02:17 PM, Ed White wrote:
> On 06/24/2015 03:29 AM, Andrew Cooper wrote:
>> On 22/06/15 19:56, Ed White wrote:
>>> diff --git a/xen/include/asm-x86/hvm/vcpu.h b/xen/include/asm-x86/hvm/vcpu.h
>>> index 3d8f4dc..a1529c0 100644
>>> --- a/xen/include/asm-x86/hvm/vcpu.h
>>> +++ b/xen/include/asm-x86/hvm/vcpu.h
>>> @@ -118,6 +118,13 @@ struct nestedvcpu {
>>>  
>>>  #define vcpu_nestedhvm(v) ((v)->arch.hvm_vcpu.nvcpu)
>>>  
>>> +struct altp2mvcpu {
>>> +    uint16_t    p2midx;         /* alternate p2m index */
>>> +    uint64_t    veinfo_gfn;     /* #VE information page guest pfn */
>>
>> Please use the recently-introduced pfn_t here.  pfn is a more
>> appropriate term than gfn in this case.
> 
> Did you mean pfn_t, or xen_pfn_t? I'm having a hard time
> figuring out how to use a pfn_t, I can't even assign
> INVALID_PFN to one.
> 

Scratch that. After a while fumbling around in the dark,
I worked out how to use pfn_t.

Ed


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