According to section "Checks on VMX Controls" in Intel SDM vol 3C, the
following check needs to be enforced on vmentry of L2 guests:
If the “enable VPID” VM-execution control is 1, the value of the
of the VPID VM-execution control field must not be 0000H.
The first patch adds the required KVM check while the second one adds a
KVM unit test.
[PATCH 1/2][KVM] nVMX x86: Check VPID value on vmentry of L2 guests
[PATCH 2/2][kvm-unit-test] nVMX x86: Check VPID value on vmentry of L2 guests
arch/x86/kvm/vmx.c | 3 +++
1 file changed, 3 insertions(+)
Krish Sadhukhan (1):
nVMX x86: Check VPID value on vmentry of L2 guests
x86/vmx_tests.c | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
Krish Sadhukhan (1):
nVMX x86: Check VPID value on vmentry of L2 guests
