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

Commit 83ff3b9d authored by Sheng Yang's avatar Sheng Yang Committed by Avi Kivity
Browse files

KVM: VMX: Remove the secondary execute control dependency on irqchip 



The state of SECONDARY_VM_EXEC_CONTROL shouldn't depend on in-kernel IRQ chip,
this patch fix this.

Signed-off-by: default avatarSheng Yang <sheng.yang@intel.com>
Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 07716717

drivers/kvm/vmx.c

+7 −10
Original line number Original line Diff line number Diff line
@@ -193,11 +193,6 @@ static inline int cpu_has_secondary_exec_ctrls(void) 
		CPU_BASED_ACTIVATE_SECONDARY_CONTROLS);

		CPU_BASED_ACTIVATE_SECONDARY_CONTROLS);

}

}





static inline int vm_need_secondary_exec_ctrls(struct kvm *kvm)

{

	return ((cpu_has_secondary_exec_ctrls()) && (irqchip_in_kernel(kvm)));

}



static inline int cpu_has_vmx_virtualize_apic_accesses(void)

static inline int cpu_has_vmx_virtualize_apic_accesses(void)

{

{

	return (vmcs_config.cpu_based_2nd_exec_ctrl &

	return (vmcs_config.cpu_based_2nd_exec_ctrl &
@@ -1524,13 +1519,15 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) 
				CPU_BASED_CR8_LOAD_EXITING;

				CPU_BASED_CR8_LOAD_EXITING;

#endif

#endif

	}

	}

	if (!vm_need_secondary_exec_ctrls(vmx->vcpu.kvm))

		exec_control &= ~CPU_BASED_ACTIVATE_SECONDARY_CONTROLS;

	vmcs_write32(CPU_BASED_VM_EXEC_CONTROL, exec_control);

	vmcs_write32(CPU_BASED_VM_EXEC_CONTROL, exec_control);





	if (vm_need_secondary_exec_ctrls(vmx->vcpu.kvm))

	if (cpu_has_secondary_exec_ctrls()) {

		vmcs_write32(SECONDARY_VM_EXEC_CONTROL,

		exec_control = vmcs_config.cpu_based_2nd_exec_ctrl;

			     vmcs_config.cpu_based_2nd_exec_ctrl);

		if (!vm_need_virtualize_apic_accesses(vmx->vcpu.kvm))

			exec_control &=

				~SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;

		vmcs_write32(SECONDARY_VM_EXEC_CONTROL, exec_control);

	}





	vmcs_write32(PAGE_FAULT_ERROR_CODE_MASK, !!bypass_guest_pf);

	vmcs_write32(PAGE_FAULT_ERROR_CODE_MASK, !!bypass_guest_pf);

	vmcs_write32(PAGE_FAULT_ERROR_CODE_MATCH, !!bypass_guest_pf);

	vmcs_write32(PAGE_FAULT_ERROR_CODE_MATCH, !!bypass_guest_pf);