On Mon, Nov 18, 2019 at 10:50:47AM +0100, Jan Beulich wrote:
> On 15.11.2019 18:16, Wei Liu wrote:
> > On Fri, Nov 15, 2019 at 04:23:30PM +0100, Jan Beulich wrote:
> >> On 02.10.2019 19:16, Hongyan Xia wrote:
> >>> @@ -4847,22 +4848,50 @@ int mmcfg_intercept_write(
> >>> }
> >>>
> >>> void
On 15.11.2019 18:16, Wei Liu wrote:
> On Fri, Nov 15, 2019 at 04:23:30PM +0100, Jan Beulich wrote:
>> On 02.10.2019 19:16, Hongyan Xia wrote:
>>> @@ -4847,22 +4848,50 @@ int mmcfg_intercept_write(
>>> }
>>>
>>> void *alloc_xen_pagetable(void)
>>> +{
>>> +mfn_t mfn;
>>> +
>>> +mfn =
On Fri, Nov 15, 2019 at 04:23:30PM +0100, Jan Beulich wrote:
> On 02.10.2019 19:16, Hongyan Xia wrote:
> > @@ -4847,22 +4848,50 @@ int mmcfg_intercept_write(
> > }
> >
> > void *alloc_xen_pagetable(void)
> > +{
> > +mfn_t mfn;
> > +
> > +mfn = alloc_xen_pagetable_new();
> > +
On 02.10.2019 19:16, Hongyan Xia wrote:
> @@ -4847,22 +4848,50 @@ int mmcfg_intercept_write(
> }
>
> void *alloc_xen_pagetable(void)
> +{
> +mfn_t mfn;
> +
> +mfn = alloc_xen_pagetable_new();
> +ASSERT(!mfn_eq(mfn, INVALID_MFN));
> +
> +return map_xen_pagetable_new(mfn);
> +}
>
From: Wei Liu
We are going to switch to using domheap page for page tables.
A new set of APIs is introduced to allocate, map, unmap and free pages
for page tables.
The allocation and deallocation work on mfn_t but not page_info,
because they are required to work even before frame table is set
