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| author | Avi Kivity <avi@qumranet.com> | 2008-03-24 18:15:14 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-04-27 12:00:37 +0300 |
| commit | 4c9fc8ef501790732ed035585b491756b75ea4c6 (patch) | |
| tree | 5d5fd13456178c756170a6dabbec99c52eeeb6be | |
| parent | 268fe02ae058c0c5e84ad678d67e5d7b013e664f (diff) | |
| download | linux-4c9fc8ef501790732ed035585b491756b75ea4c6.tar.gz | |
KVM: VMX: Add module option to disable flexpriority
Useful for debugging. Signed-off-by: Avi Kivity <avi@qumranet.com>
| -rw-r--r-- | 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 fb0389d3a8d1..01559311df8c 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) |