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Re: [Xen-devel] [PATCH] x86/iommu: remove usage of {set/clear}_identity_p2m_entry against PV domains

On 02.08.2019 11:22, Roger Pau Monne wrote:
> Switch rmrr_identity_mapping to use iommu_{un}map in order to
> establish RMRR mappings for PV domains, like it's done in
> arch_iommu_hwdom_init. This solves the issue of a PV hardware domain
> not getting RMRR mappings because {set/clear}_identity_p2m_entry was
> not properly updating the iommu page tables.

Aiui we still didn't get to the bottom of this. Together with
my (much) earlier reply I think I'll drop this from my list
of pending patches, unless you indicate otherwise.


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