diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 44423d5f0e27..a3f0d458be9d 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7192,6 +7192,9 @@ static fastpath_t vmx_exit_handlers_fastpath(struct kvm_vcpu *vcpu,
 	switch (vmx_get_exit_reason(vcpu).basic) {
 	case EXIT_REASON_MSR_WRITE:
 		return handle_fastpath_wrmsr(vcpu);
+	case EXIT_REASON_MSR_WRITE_IMM:
+		return handle_fastpath_wrmsr_imm(vcpu, vmx_get_exit_qual(vcpu),
+						 vmx_get_msr_imm_reg(vcpu));
 	case EXIT_REASON_PREEMPTION_TIMER:
 		return handle_fastpath_preemption_timer(vcpu, force_immediate_exit);
 	case EXIT_REASON_HLT:
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index efd45b2e8f45..b47a6a4ced15 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2178,11 +2178,8 @@ static inline bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu)
 	       kvm_request_pending(vcpu) || xfer_to_guest_mode_work_pending();
 }
 
-fastpath_t handle_fastpath_wrmsr(struct kvm_vcpu *vcpu)
+static fastpath_t __handle_fastpath_wrmsr(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 {
-	u64 data = kvm_read_edx_eax(vcpu);
-	u32 msr = kvm_rcx_read(vcpu);
-
 	switch (msr) {
 	case APIC_BASE_MSR + (APIC_ICR >> 4):
 		if (!lapic_in_kernel(vcpu) || !apic_x2apic_mode(vcpu->arch.apic) ||
@@ -2203,8 +2200,20 @@ fastpath_t handle_fastpath_wrmsr(struct kvm_vcpu *vcpu)
 
 	return EXIT_FASTPATH_REENTER_GUEST;
 }
+
+fastpath_t handle_fastpath_wrmsr(struct kvm_vcpu *vcpu)
+{
+	return __handle_fastpath_wrmsr(vcpu, kvm_rcx_read(vcpu),
+				       kvm_read_edx_eax(vcpu));
+}
 EXPORT_SYMBOL_GPL(handle_fastpath_wrmsr);
 
+fastpath_t handle_fastpath_wrmsr_imm(struct kvm_vcpu *vcpu, u32 msr, int reg)
+{
+	return __handle_fastpath_wrmsr(vcpu, msr, kvm_register_read(vcpu, reg));
+}
+EXPORT_SYMBOL_GPL(handle_fastpath_wrmsr_imm);
+
 /*
  * Adapt set_msr() to msr_io()'s calling convention
  */
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 2dab9c9d6199..eb3088684e8a 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -438,6 +438,7 @@ int x86_decode_emulated_instruction(struct kvm_vcpu *vcpu, int emulation_type,
 int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
 			    int emulation_type, void *insn, int insn_len);
 fastpath_t handle_fastpath_wrmsr(struct kvm_vcpu *vcpu);
+fastpath_t handle_fastpath_wrmsr_imm(struct kvm_vcpu *vcpu, u32 msr, int reg);
 fastpath_t handle_fastpath_hlt(struct kvm_vcpu *vcpu);
 fastpath_t handle_fastpath_invd(struct kvm_vcpu *vcpu);