Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 01/46] KVM: VMX: Make flexpriority module parameter reflect hardware capability | Date | Wed, 20 May 2009 14:17:58 +0300 |
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If the hardware does not support flexpriority, zero the module parameter.
Signed-off-by: Avi Kivity <avi@redhat.com> --- arch/x86/kvm/vmx.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index b9e06b0..37ae13d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -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; -- 1.6.0.6
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