Re: [Xen-devel] [xen-unstable test] 56456: regressions - FAIL

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.05.15 at 12:50, <roger.pau@xxxxxxxxxx> wrote:
> El 18/05/15 a les 12.17, Tim Deegan ha escrit:
>>  - have map_dirty_bitmap() DTRT, with something like access_ok() +
>>    a linear-pagetable lookup to find the frame.
> 
> That was my first intention, but AFAICT we have no function in tree to
> resolve a PV guest VA into a GFN/MFN. The closest thing I could find was
> using guest_walk_tables + guest_walk_to_gfn in order to obtain the gfn.
> Should I send a patch to introduce a pv_gva_to_gfn function based on that?

Isn't that what we have the linear page table and guest_map_l1e()
for?

Jan


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