Re: [Xen-devel] [PATCH v3] xen: support priv-mapping in an HVM tools domain

2017-11-03 Thread Paul Durrant
> -Original Message- > From: Paul Durrant [mailto:paul.durr...@citrix.com] > Sent: 03 November 2017 16:58 > To: x...@kernel.org; xen-de...@lists.xenproject.org; linux- > ker...@vger.kernel.org > Cc: Paul Durrant ; Boris Ostrovsky > ; Juergen Gross ; Thomas > Gleixner ; Ingo Molnar ; H. Pete

[Xen-devel] [PATCH v3] xen: support priv-mapping in an HVM tools domain

2017-11-03 Thread Paul Durrant
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 pre