x86/mmuext: don't allow copying/clearing non-RAM pages
authorJan Beulich <jbeulich@suse.com>
Thu, 22 Jun 2017 07:56:20 +0000 (09:56 +0200)
committerJan Beulich <jbeulich@suse.com>
Thu, 22 Jun 2017 07:56:20 +0000 (09:56 +0200)
commit3724385e39294b6937def11bcbd1afab7ef43552
tree8500c77ca9d1921af19a08f2cbafd11d154e2d55
parent31777889db4a379da66c35a68d60ccbcf290971c
x86/mmuext: don't allow copying/clearing non-RAM pages

The two operations really aren't meant for anything else.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
xen/arch/x86/mm.c