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authorPaul Durrant <paul.durrant@citrix.com>2017-11-03 18:04:11 +0100
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2017-11-03 21:53:53 +0100
commitec4001c3f29ebb3d4147aaec7be9c687ddadb7c8 (patch)
tree4f7120b9788e6830cb4bc70b0079ebf5bec46b34 /drivers/xen
parentxen/pvcalls: remove redundant check for irq >= 0 (diff)
downloadlinux-ec4001c3f29ebb3d4147aaec7be9c687ddadb7c8.tar.xz
linux-ec4001c3f29ebb3d4147aaec7be9c687ddadb7c8.zip
xen: support priv-mapping in an HVM tools domain
If the domain has XENFEAT_auto_translated_physmap then use of the PV- specific HYPERVISOR_mmu_update hypercall is clearly incorrect. This patch adds checks in xen_remap_domain_gfn_array() and xen_unmap_domain_gfn_array() which call through to the approprate xlate_mmu function if the feature is present. A check is also added to xen_remap_domain_gfn_range() to fail with -EOPNOTSUPP since this should not be used in an HVM tools domain. Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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