On 07/01/15 15:18, Juergen Gross wrote:
> On 01/07/2015 03:47 PM, David Vrabel wrote:
>> The page table walk is only needed to distinguish between identity and
>> missing, both of which have INVALID_P2M_ENTRY.
>
> As get_phys_to_machine is called by __pfn_to_mfn() only which already
> checks for m
On 01/07/2015 03:47 PM, David Vrabel wrote:
The page table walk is only needed to distinguish between identity and
missing, both of which have INVALID_P2M_ENTRY.
As get_phys_to_machine is called by __pfn_to_mfn() only which already
checks for mfn == INVALID_P2M_ENTRY this optimization will have
The page table walk is only needed to distinguish between identity and
missing, both of which have INVALID_P2M_ENTRY.
Signed-off-by: David Vrabel
---
arch/x86/xen/p2m.c | 30 ++
1 file changed, 18 insertions(+), 12 deletions(-)
diff --git a/arch/x86/xen/p2m.c b/arc