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authorJan Dakinevich <jan.dakinevich@gmail.com>2016-10-28 07:00:30 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2016-12-08 15:31:11 +0100
commit16c2aec6a295f8a4916dbcbaa5051cf5c78be56a (patch)
tree91d70a6b35e8682f05505d48bc8fda9e1fdc49df /arch/x86/kvm
parent1dc35dacc16b4f13547125c5df2d026d9e46ea01 (diff)
downloadlinux-16c2aec6a295f8a4916dbcbaa5051cf5c78be56a.tar.bz2
KVM: nVMX: invvpid handling improvements
- Expose all invalidation types to the L1 - Reject invvpid instruction, if L1 passed zero vpid value to single context invalidations Signed-off-by: Jan Dakinevich <jan.dakinevich@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/vmx.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 7280a355737e..25d48380c312 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -139,6 +139,16 @@ module_param_named(preemption_timer, enable_preemption_timer, bool, S_IRUGO);
VMX_VPID_EXTENT_SINGLE_NON_GLOBAL_BIT)
/*
+ * Hyper-V requires all of these, so mark them as supported even though
+ * they are just treated the same as all-context.
+ */
+#define VMX_VPID_EXTENT_SUPPORTED_MASK \
+ (VMX_VPID_EXTENT_INDIVIDUAL_ADDR_BIT | \
+ VMX_VPID_EXTENT_SINGLE_CONTEXT_BIT | \
+ VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT | \
+ VMX_VPID_EXTENT_SINGLE_NON_GLOBAL_BIT)
+
+/*
* These 2 parameters are used to config the controls for Pause-Loop Exiting:
* ple_gap: upper bound on the amount of time between two successive
* executions of PAUSE in a loop. Also indicate if ple enabled.