x86: clarify shadow paging Dom0 support
authorWei Liu <wei.liu2@citrix.com>
Mon, 27 Mar 2017 11:26:56 +0000 (12:26 +0100)
committerWei Liu <wei.liu2@citrix.com>
Mon, 27 Mar 2017 14:05:07 +0000 (15:05 +0100)
commitac9ff74f39a734756af90ccbb7184551f7b1e22a
tree681639f55916592b1678f991f1b5055dd6a7560a
parenta3653e6a279213ba4e883b2252415dc98633106a
x86: clarify shadow paging Dom0 support

Classic PV shadow paging Dom0 has been broken for years, and can't
possibly be configured after 4045953.

PVH shadow paging Dom0 should still be possible.

Change the code and documentation to clarify that.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper@citrix.com>
docs/misc/xen-command-line.markdown
xen/arch/x86/dom0_build.c
xen/arch/x86/pv/dom0_build.c