> From: Jan Beulich [mailto:[email protected]] > Sent: Friday, September 13, 2019 7:10 PM > > This patch defines a new bit reported in the hw_cap field of struct > xen_sysctl_physinfo to indicate whether the platform supports sharing of > HAP page tables (i.e. the P2M) with the IOMMU. This informs the toolstack > whether the domain needs extra memory to store discrete IOMMU page > tables > or not. > > NOTE: This patch makes sure iommu_hap_pt_shared is clear if HAP is not > supported or the IOMMU is disabled, and defines it to false if > !CONFIG_HVM. > > Signed-off-by: Paul Durrant <[email protected]> > Signed-off-by: Jan Beulich <[email protected]> > Acked-by: Christian Lindig <[email protected]>
Reviewed-by: Kevin Tian <[email protected]> _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
