KVM, pkeys: disable pkeys for guests in non-paging mode

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Pkeys is disabled if CPU is in non-paging mode in hardware. However KVM
always uses paging mode to emulate guest non-paging, mode with TDP. 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: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Huaitong Han 2016-03-22 16:51:15 +08:00 • committed by Paolo Bonzini

parent e0b18ef718

commit ddba262891

1 changed files with 10 additions and 6 deletions

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arch/x86/kvm/vmx.c

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