RE: [Xen-ia64-devel] vPAL VTi incorrect values

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

>From: Tristan Gingold 
>Sent: 2006?4?14? 21:54
>To: Xu, Anthony; xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: Re: [Xen-ia64-devel] vPAL VTi incorrect values
>
>Le Vendredi 14 Avril 2006 15:44, Xu, Anthony a écrit :
>> From: Tristan Gingold
>>
>> >Sent: 2006?4?14? 21:37
>> >To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>> >Subject: [Xen-ia64-devel] vPAL VTi incorrect values
>> >
>> >Hi,
>> >
>> >within XenVTi, cat /proc/pal/cpu0/vm_info gives:
>> ># cat /proc/pal/cpu0/vm_info
>> >Physical Address Space         : 50 bits
>> >Virtual Address Space          : 61 bits
>> >Protection Key Registers(PKR)  : 16
>> >Implemented bits in PKR.key    : 24
>> >Hash Tag ID                    : 0x2
>> >Size of RR.rid                 : 24
>> >Supported memory attributes    : WB, UC, UCE, WC, NaTPage
>> >
>> >RR.rid and virtual address space are wrong!
>> >
>> >RR.rid may be a real problem given the previous patch which now check rid.
>>
>> Good catch!
>>
>> Some pal emulations are implemented within guest firmware.
>> Virtual address space should be implemented within guest firmware,
>> Because it's always 60.(there are 61 bits virtual address on Montecito).
>> Rid bits should be emulated by VMM.
>Un?fortunatly this is the same PAL call ;-)
>
>So I assume Intel will fix that.

Sure

Thanks
Anthony
>
>Tristan.

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