Re: [Xen-devel] [PATCH v2 5/6] libxc/pvh: set default MTRR type to write-back

2018-05-16 Thread Wei Liu
On Tue, May 15, 2018 at 03:36:16PM +0100, Roger Pau Monne wrote: > And enable MTRR. This allows to provide a sane initial MTRR state for > PVH DomUs. This will have to be expanded when pci-passthrough support > is added to PVH guests, so that MMIO regions of devices are set as > UC. > > Note that

[Xen-devel] [PATCH v2 5/6] libxc/pvh: set default MTRR type to write-back

2018-05-15 Thread Roger Pau Monne
And enable MTRR. This allows to provide a sane initial MTRR state for PVH DomUs. This will have to be expanded when pci-passthrough support is added to PVH guests, so that MMIO regions of devices are set as UC. Note that initial MTRR setup is done by hvmloader for HVM guests, that's not used by PV