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(parent: ea9395f) | patch
x86/hvm: disable pkeys for guests in non-paging mode
authorHuaitong Han <huaitong.han@intel.com>
Thu, 4 Feb 2016 10:40:08 +0000 (11:40 +0100)
committerJan Beulich <jbeulich@suse.com>
Thu, 4 Feb 2016 10:40:08 +0000 (11:40 +0100)
commitc41e0266dd59ab50b7a153157e9bd2a3ad114b53
tree24e728856b8a2fbcf2ddd2733694190053270a83tree | snapshot
parentea9395f82aa692a85b76bd1ec16c1ecf8500c7c9commit | diff
x86/hvm: disable pkeys for guests in non-paging mode

This patch disables pkeys for guest in non-paging mode, However XEN always uses
paging mode to emulate guest non-paging mode, To emulate this behavior, pkeys
needs to be manually disabled when guest switches to non-paging mode.

Signed-off-by: Huaitong Han <huaitong.han@intel.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Kevin Tian <kevin.tian@intel.com>
xen/arch/x86/hvm/vmx/vmx.c diff | blob | history
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