x86/kvm/x86.c

558 	 * state, e.g. DR6, to determine whether a #DB is a trap or fault.
4294 		 * state this but appears to behave the same.
5601 					  u8 *state, unsigned int size)
5604 	 * Only copy state for features that are enabled for the guest.  The
5605 	 * state itself isn't problematic, but setting bits in the header for
5621 	fpu_copy_guest_fpstate_to_uabi(&vcpu->arch.guest_fpu, state, size,
6461 	 * an inconsistent state after running multiple KVM_REINJECT_CONTROL
6922 int kvm_arch_pm_notifier(struct kvm *kvm, unsigned long state)
6924 	switch (state) {
9183 	 * The caller is responsible for updating interruptibility state and
9710 	 * vCPU's FPU state as a fxregs_state struct.
9867 static int __kvm_emulate_halt(struct kvm_vcpu *vcpu, int state, int reason)
9870 	 * The vCPU has halted, e.g. executed HLT.  Update the run state if the
9872 	 * state and halt the vCPU.  Exit to userspace if the local APIC is
9878 		vcpu->arch.mp_state = state;
10641 		 * redo svm_vcpu_run() without seeing the new inhibit state.
11000 		 * Assert that vCPU vs. VM APICv state is consistent.  An APICv
11002 		 * per-VM state, and responding vCPUs must wait for the update
11042 	 * we have some of them active, restore the old state.
11150 		 * vCPU's activity state.
11157 	 * Evaluate nested events before exiting the halted state.  This allows
11158 	 * the halt state to be recorded properly in the VMCS12's activity
11159 	 * state field (AMD does not have a similar field and a VM-Exit always
11259  * Implements the following, as a state machine:
11358 		 * APIC timer to be active is if userspace stuffed vCPU state,
11359 		 * i.e. put the vCPU into a nonsensical state.  Only an INIT
11361 		 * state stuffing from userspace), which will reset the local
11456 		 * instruction emulation. Registers state needs to be copied
11663 	 * blocked.  KVM prioritizes SMI over INIT, so reject INIT/SIPI state
12293 		 * FPU state (because most paths are buried in KVM_RUN).
13156 	/* Can't read the RIP when guest state is protected, just return 0 */
13332 	 * halt state.
13358 		 * page fault, but putting the guest in an artificial halt state