>>> On 19.01.17 at 18:44, wrote:
> On Thu, Jan 19, 2017 at 01:29:15AM -0700, Jan Beulich wrote:
>> >>> On 18.01.17 at 20:56, wrote:
>> > I am looking at rmrr_identity_mapping where the RMRR paddr get converted
>> > to pfn and then mapped
On Thu, Jan 19, 2017 at 01:29:15AM -0700, Jan Beulich wrote:
> >>> On 18.01.17 at 20:56, wrote:
> > I am looking at rmrr_identity_mapping where the RMRR paddr get converted
> > to pfn and then mapped with iommu.
> > If ( rmrr->end_address & ~PAGE_SHIFT_MASK_4K ) == 0,
>>> On 18.01.17 at 20:56, wrote:
> I am looking at rmrr_identity_mapping where the RMRR paddr get converted
> to pfn and then mapped with iommu.
> If ( rmrr->end_address & ~PAGE_SHIFT_MASK_4K ) == 0, the while loop
> while ( base_pfn < end_pfn )
> will not map
On Thu, Jan 12, 2017 at 04:44:42AM -0700, Jan Beulich wrote:
> >>> On 10.01.17 at 23:57, wrote:
> > Changes in v13:
> > - Implement feedback from Kevin Tian.
> >
> > https://lists.xenproject.org/archives/html/xen-devel/2015-10/msg03169.html
> >
> >
>>> On 10.01.17 at 23:57, wrote:
> Changes in v13:
> - Implement feedback from Kevin Tian.
>https://lists.xenproject.org/archives/html/xen-devel/2015-10/msg03169.html
>https://lists.xenproject.org/archives/html/xen-devel/2015-10/msg03170.html
>
From: Elena Ufimtseva
On some platforms firmware fails to specify RMRR regions in ACPI tables and
thus those regions will not be mapped in dom0 or guests and may cause IO
Page Faults and prevent dom0 from booting if "iommu=dom0-strict" option is
specified on the Xen