Provided to both Dom0 and DomUs. Signed-off-by: Roger Pau Monné <[email protected]> --- Cc: Andrew Cooper <[email protected]> Cc: George Dunlap <[email protected]> Cc: Ian Jackson <[email protected]> Cc: Jan Beulich <[email protected]> Cc: Julien Grall <[email protected]> Cc: Konrad Rzeszutek Wilk <[email protected]> Cc: Stefano Stabellini <[email protected]> Cc: Tim Deegan <[email protected]> Cc: Wei Liu <[email protected]> --- docs/misc/pvh.markdown | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/docs/misc/pvh.markdown b/docs/misc/pvh.markdown index e85fb15374..639401a887 100644 --- a/docs/misc/pvh.markdown +++ b/docs/misc/pvh.markdown @@ -92,3 +92,18 @@ event channels. Delivery of those interrupts can be configured in the same way as HVM guests, check xen/include/public/hvm/params.h and xen/include/public/hvm/hvm\_op.h for more information about available delivery methods. + +## MTRR ## + +### Unprivileged guests ### + +PVH guests are booted with the default MTRR type set to write-back and MTRR +enabled. This allows DomUs to start with a sane MTRR state. Note that this will +have to be revisited when pci-passthrough is added to PVH in order to set MMIO +regions as UC. + +### Hardware domain ### + +A PVH hardware domain is booted with the same MTRR state as the one found on +the host. This is done because the hardware domain memory map is already a +modified copy of the host memory map, so the same MTRR setup should work. -- 2.17.0 _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
