>>> On 25.09.15 at 17:18, wrote:
> On Fri, Sep 25, 2015 at 12:36:09AM -0600, Jan Beulich wrote:
>> >>> On 25.09.15 at 01:53, wrote:
>> > --- a/xen/arch/x86/mm/p2m.c
>> > +++ b/xen/arch/x86/mm/p2m.c
>> > @@ -971,7 +971,17 @@ int set_identity_p2m_entry(struct domain *d, unsigned
>> > long gfn,
>>
On Fri, Sep 25, 2015 at 12:36:09AM -0600, Jan Beulich wrote:
> >>> On 25.09.15 at 01:53, wrote:
> > Permissions for p2m entry of read-only
> > mmio regions are left unchanged as leaving only 'r' cause page faults. I am
> > not sure what the reason of it yet, will try to dig it further.
>
> Yes
>>> On 25.09.15 at 01:53, wrote:
> Permissions for p2m entry of read-only
> mmio regions are left unchanged as leaving only 'r' cause page faults. I am
> not sure what the reason of it yet, will try to dig it further.
Yes please - imo this absolutely should be changed to just r along
with the r
From: Elena Ufimtseva
This patch addresses a regression introduced by commit
5ae03990c120a7b3067a52d9784c9aa72c0705a6 in new set_identity_p2m_entry. RMRRs
are not being mapped in
IOMMU for PVH Dom0. This causes pages faults and some long 'hang-like' delays
during Dom0 PVH boot and device assign
