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OpenCloudOS-Kernel
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KVM: VMX: Add module option to disable flexpriority 

Useful for debugging.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2008-03-24 18:15:14 +02:00
parent 268fe02ae0
commit 4c9fc8ef50
1 changed files with 6 additions and 2 deletions
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8
arch/x86/kvm/vmx.c
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@ -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)