Benjamin Herrenschmidt writes:
> On Sun, 2014-06-29 at 16:47 +0530, Aneesh Kumar K.V wrote:
>
>> To achieve the above we use virtual page calss protection mechanism for
>> covering (2) and (3). For both the above case we mark the hpte
>> valid, but associate the page with virtual page class index
On Sun, 2014-06-29 at 16:47 +0530, Aneesh Kumar K.V wrote:
> To achieve the above we use virtual page calss protection mechanism for
> covering (2) and (3). For both the above case we mark the hpte
> valid, but associate the page with virtual page class index 30 and 31.
> The authority mask regist
Hi,
With the current code we do an expensive hash page table lookup on every
page fault resulting from a missing hash page table entry. A NO_HPTE
page fault can happen due to the below reasons:
1) Missing hash pte as per guest. This should be forwarded to the guest
2) MMIO hash pte. The address a
