diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index a35ee44ec70a..7e87e7d9ba5a 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -926,6 +926,7 @@ struct kvm_vcpu_arch {
 	bool emulate_regs_need_sync_from_vcpu;
 	int (*complete_userspace_io)(struct kvm_vcpu *vcpu);
 	unsigned long cui_linear_rip;
+	int cui_rdmsr_imm_reg;
 
 	gpa_t time;
 	s8  pvclock_tsc_shift;
@@ -2155,7 +2156,9 @@ int __kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data, bool host_initiat
 int kvm_get_msr(struct kvm_vcpu *vcpu, u32 index, u64 *data);
 int kvm_set_msr(struct kvm_vcpu *vcpu, u32 index, u64 data);
 int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu);
+int kvm_emulate_rdmsr_imm(struct kvm_vcpu *vcpu, u32 msr, int reg);
 int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu);
+int kvm_emulate_wrmsr_imm(struct kvm_vcpu *vcpu, u32 msr, int reg);
 int kvm_emulate_as_nop(struct kvm_vcpu *vcpu);
 int kvm_emulate_invd(struct kvm_vcpu *vcpu);
 int kvm_emulate_mwait(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/include/uapi/asm/vmx.h b/arch/x86/include/uapi/asm/vmx.h
index f0f4a4cf84a7..9792e329343e 100644
--- a/arch/x86/include/uapi/asm/vmx.h
+++ b/arch/x86/include/uapi/asm/vmx.h
@@ -94,6 +94,8 @@
 #define EXIT_REASON_BUS_LOCK            74
 #define EXIT_REASON_NOTIFY              75
 #define EXIT_REASON_TDCALL              77
+#define EXIT_REASON_MSR_READ_IMM        84
+#define EXIT_REASON_MSR_WRITE_IMM       85
 
 #define VMX_EXIT_REASONS \
 	{ EXIT_REASON_EXCEPTION_NMI,         "EXCEPTION_NMI" }, \
@@ -158,7 +160,9 @@
 	{ EXIT_REASON_TPAUSE,                "TPAUSE" }, \
 	{ EXIT_REASON_BUS_LOCK,              "BUS_LOCK" }, \
 	{ EXIT_REASON_NOTIFY,                "NOTIFY" }, \
-	{ EXIT_REASON_TDCALL,                "TDCALL" }
+	{ EXIT_REASON_TDCALL,                "TDCALL" }, \
+	{ EXIT_REASON_MSR_READ_IMM,          "MSR_READ_IMM" }, \
+	{ EXIT_REASON_MSR_WRITE_IMM,         "MSR_WRITE_IMM" }
 
 #define VMX_EXIT_REASON_FLAGS \
 	{ VMX_EXIT_REASONS_FAILED_VMENTRY,	"FAILED_VMENTRY" }
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index b8ea1969113d..4e6352ef9520 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -6216,19 +6216,26 @@ static bool nested_vmx_exit_handled_msr(struct kvm_vcpu *vcpu,
 					struct vmcs12 *vmcs12,
 					union vmx_exit_reason exit_reason)
 {
-	u32 msr_index = kvm_rcx_read(vcpu);
+	u32 msr_index;
 	gpa_t bitmap;
 
 	if (!nested_cpu_has(vmcs12, CPU_BASED_USE_MSR_BITMAPS))
 		return true;
 
+	if (exit_reason.basic == EXIT_REASON_MSR_READ_IMM ||
+	    exit_reason.basic == EXIT_REASON_MSR_WRITE_IMM)
+		msr_index = vmx_get_exit_qual(vcpu);
+	else
+		msr_index = kvm_rcx_read(vcpu);
+
 	/*
 	 * The MSR_BITMAP page is divided into four 1024-byte bitmaps,
 	 * for the four combinations of read/write and low/high MSR numbers.
 	 * First we need to figure out which of the four to use:
 	 */
 	bitmap = vmcs12->msr_bitmap;
-	if (exit_reason.basic == EXIT_REASON_MSR_WRITE)
+	if (exit_reason.basic == EXIT_REASON_MSR_WRITE ||
+	    exit_reason.basic == EXIT_REASON_MSR_WRITE_IMM)
 		bitmap += 2048;
 	if (msr_index >= 0xc0000000) {
 		msr_index -= 0xc0000000;
@@ -6527,6 +6534,8 @@ static bool nested_vmx_l1_wants_exit(struct kvm_vcpu *vcpu,
 		return nested_cpu_has2(vmcs12, SECONDARY_EXEC_DESC);
 	case EXIT_REASON_MSR_READ:
 	case EXIT_REASON_MSR_WRITE:
+	case EXIT_REASON_MSR_READ_IMM:
+	case EXIT_REASON_MSR_WRITE_IMM:
 		return nested_vmx_exit_handled_msr(vcpu, vmcs12, exit_reason);
 	case EXIT_REASON_INVALID_STATE:
 		return true;
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index aa157fe5b7b3..4d1af365f584 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6003,6 +6003,23 @@ static int handle_notify(struct kvm_vcpu *vcpu)
 	return 1;
 }
 
+static int vmx_get_msr_imm_reg(struct kvm_vcpu *vcpu)
+{
+	return vmx_get_instr_info_reg(vmcs_read32(VMX_INSTRUCTION_INFO));
+}
+
+static int handle_rdmsr_imm(struct kvm_vcpu *vcpu)
+{
+	return kvm_emulate_rdmsr_imm(vcpu, vmx_get_exit_qual(vcpu),
+				     vmx_get_msr_imm_reg(vcpu));
+}
+
+static int handle_wrmsr_imm(struct kvm_vcpu *vcpu)
+{
+	return kvm_emulate_wrmsr_imm(vcpu, vmx_get_exit_qual(vcpu),
+				     vmx_get_msr_imm_reg(vcpu));
+}
+
 /*
  * The exit handlers return 1 if the exit was handled fully and guest execution
  * may resume.  Otherwise they set the kvm_run parameter to indicate what needs
@@ -6061,6 +6078,8 @@ static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = {
 	[EXIT_REASON_ENCLS]		      = handle_encls,
 	[EXIT_REASON_BUS_LOCK]                = handle_bus_lock_vmexit,
 	[EXIT_REASON_NOTIFY]		      = handle_notify,
+	[EXIT_REASON_MSR_READ_IMM]            = handle_rdmsr_imm,
+	[EXIT_REASON_MSR_WRITE_IMM]           = handle_wrmsr_imm,
 };
 
 static const int kvm_vmx_max_exit_handlers =
@@ -6495,6 +6514,8 @@ static int __vmx_handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath)
 #ifdef CONFIG_MITIGATION_RETPOLINE
 	if (exit_reason.basic == EXIT_REASON_MSR_WRITE)
 		return kvm_emulate_wrmsr(vcpu);
+	else if (exit_reason.basic == EXIT_REASON_MSR_WRITE_IMM)
+		return handle_wrmsr_imm(vcpu);
 	else if (exit_reason.basic == EXIT_REASON_PREEMPTION_TIMER)
 		return handle_preemption_timer(vcpu);
 	else if (exit_reason.basic == EXIT_REASON_INTERRUPT_WINDOW)
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index d3389baf3ab3..24d65dac5e89 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -706,6 +706,11 @@ static inline bool vmx_guest_state_valid(struct kvm_vcpu *vcpu)
 
 void dump_vmcs(struct kvm_vcpu *vcpu);
 
+static inline int vmx_get_instr_info_reg(u32 vmx_instr_info)
+{
+	return (vmx_instr_info >> 3) & 0xf;
+}
+
 static inline int vmx_get_instr_info_reg2(u32 vmx_instr_info)
 {
 	return (vmx_instr_info >> 28) & 0xf;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f98b801d9efd..0bfab634c591 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1997,6 +1997,15 @@ static int complete_fast_rdmsr(struct kvm_vcpu *vcpu)
 	return complete_fast_msr_access(vcpu);
 }
 
+static int complete_fast_rdmsr_imm(struct kvm_vcpu *vcpu)
+{
+	if (!vcpu->run->msr.error)
+		kvm_register_write(vcpu, vcpu->arch.cui_rdmsr_imm_reg,
+				   vcpu->run->msr.data);
+
+	return complete_fast_msr_access(vcpu);
+}
+
 static u64 kvm_msr_reason(int r)
 {
 	switch (r) {
@@ -2031,39 +2040,53 @@ static int kvm_msr_user_space(struct kvm_vcpu *vcpu, u32 index,
 	return 1;
 }
 
-int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu)
+static int __kvm_emulate_rdmsr(struct kvm_vcpu *vcpu, u32 msr, int reg,
+			       int (*complete_rdmsr)(struct kvm_vcpu *))
 {
-	u32 msr = kvm_rcx_read(vcpu);
 	u64 data;
 	int r;
 
 	r = kvm_get_msr_with_filter(vcpu, msr, &data);
-
 	if (!r) {
 		trace_kvm_msr_read(msr, data);
 
-		kvm_rax_write(vcpu, data & -1u);
-		kvm_rdx_write(vcpu, (data >> 32) & -1u);
+		if (reg < 0) {
+			kvm_rax_write(vcpu, data & -1u);
+			kvm_rdx_write(vcpu, (data >> 32) & -1u);
+		} else {
+			kvm_register_write(vcpu, reg, data);
+		}
 	} else {
 		/* MSR read failed? See if we should ask user space */
 		if (kvm_msr_user_space(vcpu, msr, KVM_EXIT_X86_RDMSR, 0,
-				       complete_fast_rdmsr, r))
+				       complete_rdmsr, r))
 			return 0;
 		trace_kvm_msr_read_ex(msr);
 	}
 
 	return kvm_x86_call(complete_emulated_msr)(vcpu, r);
 }
+
+int kvm_emulate_rdmsr(struct kvm_vcpu *vcpu)
+{
+	return __kvm_emulate_rdmsr(vcpu, kvm_rcx_read(vcpu), -1,
+				   complete_fast_rdmsr);
+}
 EXPORT_SYMBOL_GPL(kvm_emulate_rdmsr);
 
-int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu)
+int kvm_emulate_rdmsr_imm(struct kvm_vcpu *vcpu, u32 msr, int reg)
+{
+	vcpu->arch.cui_rdmsr_imm_reg = reg;
+
+	return __kvm_emulate_rdmsr(vcpu, msr, reg, complete_fast_rdmsr_imm);
+}
+EXPORT_SYMBOL_GPL(kvm_emulate_rdmsr_imm);
+
+static int __kvm_emulate_wrmsr(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 {
-	u32 msr = kvm_rcx_read(vcpu);
-	u64 data = kvm_read_edx_eax(vcpu);
 	int r;
 
 	r = kvm_set_msr_with_filter(vcpu, msr, data);
-
 	if (!r) {
 		trace_kvm_msr_write(msr, data);
 	} else {
@@ -2079,8 +2102,20 @@ int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu)
 
 	return kvm_x86_call(complete_emulated_msr)(vcpu, r);
 }
+
+int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu)
+{
+	return __kvm_emulate_wrmsr(vcpu, kvm_rcx_read(vcpu),
+				   kvm_read_edx_eax(vcpu));
+}
 EXPORT_SYMBOL_GPL(kvm_emulate_wrmsr);
 
+int kvm_emulate_wrmsr_imm(struct kvm_vcpu *vcpu, u32 msr, int reg)
+{
+	return __kvm_emulate_wrmsr(vcpu, msr, kvm_register_read(vcpu, reg));
+}
+EXPORT_SYMBOL_GPL(kvm_emulate_wrmsr_imm);
+
 int kvm_emulate_as_nop(struct kvm_vcpu *vcpu)
 {
 	return kvm_skip_emulated_instruction(vcpu);