diff mbox series

[07/13] KVM: nVMX: Don't reset VMCS controls shadow on VMCS switch

Message ID 20190507191805.9932-8-sean.j.christopherson@intel.com (mailing list archive)
State New, archived
Headers show
Series KVM: VMX: Reduce VMWRITEs to VMCS controls | expand

Commit Message

Sean Christopherson May 7, 2019, 7:17 p.m. UTC 
... now that the shadow copies are per-VMCS.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kvm/vmx/nested.c | 5 -----
 arch/x86/kvm/vmx/vmx.h    | 4 ----
 2 files changed, 9 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 007d03a49484..23be882e3365 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -252,11 +252,6 @@  static void vmx_switch_vmcs(struct kvm_vcpu *vcpu, struct loaded_vmcs *vmcs)
 	vmx_vcpu_load(vcpu, cpu);
 	put_cpu();
 
-	vm_entry_controls_reset_shadow(vmx);
-	vm_exit_controls_reset_shadow(vmx);
-	pin_controls_reset_shadow(vmx);
-	exec_controls_reset_shadow(vmx);
-	sec_exec_controls_reset_shadow(vmx);
 	vmx_segment_cache_clear(vmx);
 }
 
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 2c367011df98..c12c0aec13a5 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -375,10 +375,6 @@  static inline u8 vmx_get_rvi(void)
 }
 
 #define BUILD_CONTROLS_SHADOW(lname, uname)				    \
-static inline void lname##_controls_reset_shadow(struct vcpu_vmx *vmx)	    \
-{									    \
-	vmx->loaded_vmcs->controls_shadow.lname = vmcs_read32(uname);	    \
-}									    \
 static inline void lname##_controls_init(struct vcpu_vmx *vmx, u32 val)	    \
 {									    \
 	vmcs_write32(uname, val);					    \