On 27/02/17 14:03, Andrew Cooper wrote:
> The existing pagetable walker has complicated return semantics, which squeeze
> multiple pieces of information into single integer. This would be fine if the
> information didn't overlap, but it does.
>
> Specifically, _PAGE_INVALID_BITS for 3-level guest
On 06/03/17 18:33, Andrew Cooper wrote:
> On 06/03/17 18:28, George Dunlap wrote:
>> On 27/02/17 14:03, Andrew Cooper wrote:
>>> The existing pagetable walker has complicated return semantics, which
>>> squeeze
>>> multiple pieces of information into single integer. This would be fine if
>>> the
On 06/03/17 18:28, George Dunlap wrote:
> On 27/02/17 14:03, Andrew Cooper wrote:
>> The existing pagetable walker has complicated return semantics, which squeeze
>> multiple pieces of information into single integer. This would be fine if
>> the
>> information didn't overlap, but it does.
>>
>>
On 27/02/17 14:03, Andrew Cooper wrote:
> The existing pagetable walker has complicated return semantics, which squeeze
> multiple pieces of information into single integer. This would be fine if the
> information didn't overlap, but it does.
>
> Specifically, _PAGE_INVALID_BITS for 3-level guest
At 14:03 + on 27 Feb (1488204198), Andrew Cooper wrote:
> The existing pagetable walker has complicated return semantics, which squeeze
> multiple pieces of information into single integer. This would be fine if the
> information didn't overlap, but it does.
>
> Specifically, _PAGE_INVALID_BI
>>> On 02.03.17 at 13:00, wrote:
> On 02/03/17 11:52, Jan Beulich wrote:
> On 27.02.17 at 15:03, wrote:
>>> @@ -91,12 +91,12 @@ unsigned long hap_p2m_ga_to_gfn(GUEST_PAGING_LEVELS)(
>>> #if GUEST_PAGING_LEVELS == 3
>>> top_map += (cr3 & ~(PAGE_MASK | 31));
>>> #endif
>>> -missing =
On 02/03/17 11:52, Jan Beulich wrote:
On 27.02.17 at 15:03, wrote:
>> @@ -91,12 +91,12 @@ unsigned long hap_p2m_ga_to_gfn(GUEST_PAGING_LEVELS)(
>> #if GUEST_PAGING_LEVELS == 3
>> top_map += (cr3 & ~(PAGE_MASK | 31));
>> #endif
>> -missing = guest_walk_tables(v, p2m, ga, &gw, pfec[0
>>> On 27.02.17 at 15:03, wrote:
> @@ -91,12 +91,12 @@ unsigned long hap_p2m_ga_to_gfn(GUEST_PAGING_LEVELS)(
> #if GUEST_PAGING_LEVELS == 3
> top_map += (cr3 & ~(PAGE_MASK | 31));
> #endif
> -missing = guest_walk_tables(v, p2m, ga, &gw, pfec[0], top_mfn, top_map);
> +walk_ok = guest
