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Commit 7d433b9f authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: VMX: Make flexpriority module parameter reflect hardware capability 



If the hardware does not support flexpriority, zero the module parameter.

Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 78646121

arch/x86/kvm/vmx.c

+4 −3
Original line number Diff line number Diff line
@@ -237,9 +237,7 @@ static inline int cpu_has_secondary_exec_ctrls(void) 


static inline bool cpu_has_vmx_virtualize_apic_accesses(void)

{

	return flexpriority_enabled

		&& (vmcs_config.cpu_based_2nd_exec_ctrl &

		    SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES);

	return flexpriority_enabled;

}



static inline int cpu_has_vmx_invept_individual_addr(void)
@@ -1203,6 +1201,9 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf) 
	if (!cpu_has_vmx_ept())

		enable_ept = 0;



	if (!(vmcs_config.cpu_based_2nd_exec_ctrl & SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES))

		flexpriority_enabled = 0;



	min = 0;

#ifdef CONFIG_X86_64

	min |= VM_EXIT_HOST_ADDR_SPACE_SIZE;