Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 33/35] KVM: VMX: Add module option to disable flexpriority | Date | Thu, 3 Apr 2008 22:32:48 +0300 |
| |
Useful for debugging.
Signed-off-by: Avi Kivity <avi@qumranet.com> --- arch/x86/kvm/vmx.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index fb0389d..0155931 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) -- 1.5.4.5
| |