On 18/11/2014 10:23, Chen, Tiejun wrote:
>> On 32-bit PAE hosts, PTEs have bit 62 reserved, as in your patch:
>
> Do you mean just one reserved bit is fine enough in this case?
Yes.
Paolo
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On 2014/11/17 19:40, Paolo Bonzini wrote:
On 17/11/2014 12:31, Tiejun Chen wrote:
In non-ept 64-bit of PAE case maxphyaddr may be 52bit as well,
There is no such thing as 64-bit PAE.
Definitely.
On 32-bit PAE hosts, PTEs have bit 62 reserved, as in your patch:
Do you mean just one re
On 17/11/2014 12:31, Tiejun Chen wrote:
> In non-ept 64-bit of PAE case maxphyaddr may be 52bit as well,
There is no such thing as 64-bit PAE.
On 32-bit PAE hosts, PTEs have bit 62 reserved, as in your patch:
> + /* Magic bits are always reserved for 32bit host. */
> + mask |= 0x3ull <
In non-ept 64-bit of PAE case maxphyaddr may be 52bit as well,
so we also need to disable mmio page fault. Here we can check
MMIO_SPTE_GEN_HIGH_SHIFT directly to determine if we should
set the present bit, and bring a little cleanup.
Signed-off-by: Tiejun Chen
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v2:
* Correct codes comments
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