[Xen-devel] [PATCH 0/5] xen/{net, blk}back support for running in HVM

[Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>]

In HVM domains (or to be exact, when XENFEAT_auto_translated_physmap is
enabled) it is not valid to request the hypervisor set up a grant
mapping using PFNs referring to valid pages.  The balloon driver
provides alloc_xenballooned_pages to obtain pages without valid PFNs
suitable for grant mappings; use this function when allocating pages for
grant mappings.

This has been tested with a PV domain using block and network devices
exported by an HVM domain.

[PATCH 1/5] xen/netback: Use xenballooned pages for comms
[PATCH 2/5] xen/netback: Enable netback on HVM guests
[PATCH 3/5] xen/blkback: Use xenballooned pages for mapped areas
[PATCH 4/5] xen/blkback: don't add m2p overrides when using
[PATCH 5/5] xen/blkback: Enable blkback on HVM guests

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