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Signed-off-by: Jan Beulich --- v2: New. --- a/xen/arch/x86/hvm/vmx/vmcs.c +++ b/xen/arch/x86/hvm/vmx/vmcs.c @@ -162,7 +162,6 @@ static int cf_check parse_ept_param_runt /* Dynamic (run-time adjusted) execution control flags. */ struct vmx_caps __ro_after_init vmx_caps; -u32 vmx_vmexit_control __read_mostly; u32 vmx_vmentry_control __read_mostly; u64 vmx_ept_vpid_cap __read_mostly; static uint64_t __read_mostly vmx_vmfunc; @@ -238,7 +237,6 @@ static int vmx_init_vmcs_config(bool bsp struct vmx_caps caps; u64 _vmx_ept_vpid_cap = 0; u64 _vmx_misc_cap = 0; - u32 _vmx_vmexit_control; u32 _vmx_vmentry_control; u64 _vmx_vmfunc = 0; bool mismatch = false; @@ -410,7 +408,7 @@ static int vmx_init_vmcs_config(bool bsp opt = (VM_EXIT_SAVE_GUEST_PAT | VM_EXIT_LOAD_HOST_PAT | VM_EXIT_LOAD_HOST_EFER | VM_EXIT_CLEAR_BNDCFGS); min |= VM_EXIT_IA32E_MODE; - _vmx_vmexit_control = adjust_vmx_controls( + caps.vmexit_control = adjust_vmx_controls( "VMExit Control", min, opt, MSR_IA32_VMX_EXIT_CTLS, &mismatch); /* @@ -461,7 +459,6 @@ static int vmx_init_vmcs_config(bool bsp /* First time through. */ vmx_caps = caps; vmx_ept_vpid_cap = _vmx_ept_vpid_cap; - vmx_vmexit_control = _vmx_vmexit_control; vmx_vmentry_control = _vmx_vmentry_control; vmx_caps.basic_msr = ((uint64_t)vmx_basic_msr_high << 32) | vmx_basic_msr_low; @@ -496,7 +493,7 @@ static int vmx_init_vmcs_config(bool bsp vmx_caps.secondary_exec_control, caps.secondary_exec_control); mismatch |= cap_check( "VMExit Control", - vmx_vmexit_control, _vmx_vmexit_control); + vmx_caps.vmexit_control, caps.vmexit_control); mismatch |= cap_check( "VMEntry Control", vmx_vmentry_control, _vmx_vmentry_control); @@ -1058,7 +1055,7 @@ void nocall vmx_asm_vmexit_handler(void) static int construct_vmcs(struct vcpu *v) { struct domain *d = v->domain; - u32 vmexit_ctl = vmx_vmexit_control; + uint32_t vmexit_ctl = vmx_caps.vmexit_control; u32 vmentry_ctl = vmx_vmentry_control; int rc = 0; @@ -2163,7 +2160,6 @@ int __init vmx_vmcs_init(void) * Make sure all dependent features are off as well. */ memset(&vmx_caps, 0, sizeof(vmx_caps)); - vmx_vmexit_control = 0; vmx_vmentry_control = 0; vmx_ept_vpid_cap = 0; vmx_vmfunc = 0; --- a/xen/arch/x86/hvm/vmx/vvmx.c +++ b/xen/arch/x86/hvm/vmx/vvmx.c @@ -1057,7 +1057,7 @@ static void load_shadow_control(struct v nvmx_update_pin_control(v, vmx_caps.pin_based_exec_control); vmx_update_cpu_exec_control(v); vmx_update_secondary_exec_control(v); - nvmx_update_exit_control(v, vmx_vmexit_control); + nvmx_update_exit_control(v, vmx_caps.vmexit_control); nvmx_update_entry_control(v); vmx_update_exception_bitmap(v); nvmx_update_apic_access_address(v); --- a/xen/arch/x86/include/asm/hvm/vmx/vmcs.h +++ b/xen/arch/x86/include/asm/hvm/vmx/vmcs.h @@ -225,7 +225,6 @@ void vmx_vmcs_reload(struct vcpu *v); #define VM_EXIT_LOAD_HOST_EFER 0x00200000 #define VM_EXIT_SAVE_PREEMPT_TIMER 0x00400000 #define VM_EXIT_CLEAR_BNDCFGS 0x00800000 -extern u32 vmx_vmexit_control; #define VM_ENTRY_IA32E_MODE 0x00000200 #define VM_ENTRY_SMM 0x00000400 @@ -286,6 +285,7 @@ struct vmx_caps { uint32_t pin_based_exec_control; uint32_t cpu_based_exec_control; uint32_t secondary_exec_control; + uint32_t vmexit_control; }; extern struct vmx_caps vmx_caps; @@ -341,7 +341,7 @@ extern struct vmx_caps vmx_caps; #define cpu_has_vmx_pml \ (vmx_caps.secondary_exec_control & SECONDARY_EXEC_ENABLE_PML) #define cpu_has_vmx_mpx \ - ((vmx_vmexit_control & VM_EXIT_CLEAR_BNDCFGS) && \ + ((vmx_caps.vmexit_control & VM_EXIT_CLEAR_BNDCFGS) && \ (vmx_vmentry_control & VM_ENTRY_LOAD_BNDCFGS)) #define cpu_has_vmx_xsaves \ (vmx_caps.secondary_exec_control & SECONDARY_EXEC_XSAVES)