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
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 register
Benjamin Herrenschmidt b...@kernel.crashing.org 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
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
