Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 16c2aec6 authored by Jan Dakinevich's avatar Jan Dakinevich Committed by Paolo Bonzini
Browse files

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: default avatarJan Dakinevich <jan.dakinevich@gmail.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 1dc35dac

arch/x86/kvm/vmx.c

+10 −0
Original line number Diff line number Diff line
@@ -138,6 +138,16 @@ module_param_named(preemption_timer, enable_preemption_timer, bool, S_IRUGO); 
	VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT |	\

	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