From: Avi Kivity Date: Mon, 24 Mar 2008 16:15:14 +0000 (+0200) Subject: KVM: VMX: Add module option to disable flexpriority X-Git-Tag: v2.6.26-rc1~1028^2~74 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c9fc8ef501790732ed035585b491756b75ea4c6;p=linux-2.6 KVM: VMX: Add module option to disable flexpriority Useful for debugging. Signed-off-by: Avi Kivity --- diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index fb0389d3a8..01559311df 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -39,6 +39,9 @@ module_param(bypass_guest_pf, bool, 0); static int enable_vpid = 1; module_param(enable_vpid, bool, 0); +static int flexpriority_enabled = 1; +module_param(flexpriority_enabled, bool, 0); + struct vmcs { u32 revision_id; u32 abort; @@ -200,8 +203,9 @@ static inline int cpu_has_secondary_exec_ctrls(void) static inline bool cpu_has_vmx_virtualize_apic_accesses(void) { - return (vmcs_config.cpu_based_2nd_exec_ctrl & - SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES); + return flexpriority_enabled + && (vmcs_config.cpu_based_2nd_exec_ctrl & + SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES); } static inline int vm_need_virtualize_apic_accesses(struct kvm *kvm)