diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h
index cfca68f6cb84..4f26ee9b8b74 100644
--- a/arch/x86/include/asm/idtentry.h
+++ b/arch/x86/include/asm/idtentry.h
@@ -13,15 +13,18 @@
 
 #include <asm/irq_stack.h>
 
+typedef void (*idtentry_t)(struct pt_regs *regs);
+
 /**
  * DECLARE_IDTENTRY - Declare functions for simple IDT entry points
  *		      No error code pushed by hardware
  * @vector:	Vector number (ignored for C)
  * @func:	Function name of the entry point
  *
- * Declares three functions:
+ * Declares four functions:
  * - The ASM entry point: asm_##func
  * - The XEN PV trap entry point: xen_##func (maybe unused)
+ * - The C handler called from the FRED event dispatcher (maybe unused)
  * - The C handler called from the ASM entry point
  *
  * Note: This is the C variant of DECLARE_IDTENTRY(). As the name says it
@@ -31,6 +34,7 @@
 #define DECLARE_IDTENTRY(vector, func)					\
 	asmlinkage void asm_##func(void);				\
 	asmlinkage void xen_asm_##func(void);				\
+	void fred_##func(struct pt_regs *regs);				\
 	__visible void func(struct pt_regs *regs)
 
 /**
@@ -137,6 +141,17 @@ static __always_inline void __##func(struct pt_regs *regs,		\
 #define DEFINE_IDTENTRY_RAW(func)					\
 __visible noinstr void func(struct pt_regs *regs)
 
+/**
+ * DEFINE_FREDENTRY_RAW - Emit code for raw FRED entry points
+ * @func:	Function name of the entry point
+ *
+ * @func is called from the FRED event dispatcher with interrupts disabled.
+ *
+ * See @DEFINE_IDTENTRY_RAW for further details.
+ */
+#define DEFINE_FREDENTRY_RAW(func)					\
+noinstr void fred_##func(struct pt_regs *regs)
+
 /**
  * DECLARE_IDTENTRY_RAW_ERRORCODE - Declare functions for raw IDT entry points
  *				    Error code pushed by hardware
@@ -233,17 +248,27 @@ static noinline void __##func(struct pt_regs *regs, u32 vector)
 #define DEFINE_IDTENTRY_SYSVEC(func)					\
 static void __##func(struct pt_regs *regs);				\
 									\
+static __always_inline void instr_##func(struct pt_regs *regs)		\
+{									\
+	kvm_set_cpu_l1tf_flush_l1d();					\
+	run_sysvec_on_irqstack_cond(__##func, regs);			\
+}									\
+									\
 __visible noinstr void func(struct pt_regs *regs)			\
 {									\
 	irqentry_state_t state = irqentry_enter(regs);			\
 									\
 	instrumentation_begin();					\
-	kvm_set_cpu_l1tf_flush_l1d();					\
-	run_sysvec_on_irqstack_cond(__##func, regs);			\
+	instr_##func (regs);						\
 	instrumentation_end();						\
 	irqentry_exit(regs, state);					\
 }									\
 									\
+void fred_##func(struct pt_regs *regs)					\
+{									\
+	instr_##func (regs);						\
+}									\
+									\
 static noinline void __##func(struct pt_regs *regs)
 
 /**
@@ -260,19 +285,29 @@ static noinline void __##func(struct pt_regs *regs)
 #define DEFINE_IDTENTRY_SYSVEC_SIMPLE(func)				\
 static __always_inline void __##func(struct pt_regs *regs);		\
 									\
-__visible noinstr void func(struct pt_regs *regs)			\
+static __always_inline void instr_##func(struct pt_regs *regs)		\
 {									\
-	irqentry_state_t state = irqentry_enter(regs);			\
-									\
-	instrumentation_begin();					\
 	__irq_enter_raw();						\
 	kvm_set_cpu_l1tf_flush_l1d();					\
 	__##func (regs);						\
 	__irq_exit_raw();						\
+}									\
+									\
+__visible noinstr void func(struct pt_regs *regs)			\
+{									\
+	irqentry_state_t state = irqentry_enter(regs);			\
+									\
+	instrumentation_begin();					\
+	instr_##func (regs);						\
 	instrumentation_end();						\
 	irqentry_exit(regs, state);					\
 }									\
 									\
+void fred_##func(struct pt_regs *regs)					\
+{									\
+	instr_##func (regs);						\
+}									\
+									\
 static __always_inline void __##func(struct pt_regs *regs)
 
 /**
@@ -410,15 +445,18 @@ __visible noinstr void func(struct pt_regs *regs,			\
 /* C-Code mapping */
 #define DECLARE_IDTENTRY_NMI		DECLARE_IDTENTRY_RAW
 #define DEFINE_IDTENTRY_NMI		DEFINE_IDTENTRY_RAW
+#define DEFINE_FREDENTRY_NMI		DEFINE_FREDENTRY_RAW
 
 #ifdef CONFIG_X86_64
 #define DECLARE_IDTENTRY_MCE		DECLARE_IDTENTRY_IST
 #define DEFINE_IDTENTRY_MCE		DEFINE_IDTENTRY_IST
 #define DEFINE_IDTENTRY_MCE_USER	DEFINE_IDTENTRY_NOIST
+#define DEFINE_FREDENTRY_MCE		DEFINE_FREDENTRY_RAW
 
 #define DECLARE_IDTENTRY_DEBUG		DECLARE_IDTENTRY_IST
 #define DEFINE_IDTENTRY_DEBUG		DEFINE_IDTENTRY_IST
 #define DEFINE_IDTENTRY_DEBUG_USER	DEFINE_IDTENTRY_NOIST
+#define DEFINE_FREDENTRY_DEBUG		DEFINE_FREDENTRY_RAW
 #endif
 
 #else /* !__ASSEMBLY__ */
@@ -651,23 +689,36 @@ DECLARE_IDTENTRY(RESCHEDULE_VECTOR,			sysvec_reschedule_ipi);
 DECLARE_IDTENTRY_SYSVEC(REBOOT_VECTOR,			sysvec_reboot);
 DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_SINGLE_VECTOR,	sysvec_call_function_single);
 DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_VECTOR,		sysvec_call_function);
+#else
+# define fred_sysvec_reschedule_ipi			NULL
+# define fred_sysvec_reboot				NULL
+# define fred_sysvec_call_function_single		NULL
+# define fred_sysvec_call_function			NULL
 #endif
 
 #ifdef CONFIG_X86_LOCAL_APIC
 # ifdef CONFIG_X86_MCE_THRESHOLD
 DECLARE_IDTENTRY_SYSVEC(THRESHOLD_APIC_VECTOR,		sysvec_threshold);
+# else
+# define fred_sysvec_threshold				NULL
 # endif
 
 # ifdef CONFIG_X86_MCE_AMD
 DECLARE_IDTENTRY_SYSVEC(DEFERRED_ERROR_VECTOR,		sysvec_deferred_error);
+# else
+# define fred_sysvec_deferred_error			NULL
 # endif
 
 # ifdef CONFIG_X86_THERMAL_VECTOR
 DECLARE_IDTENTRY_SYSVEC(THERMAL_APIC_VECTOR,		sysvec_thermal);
+# else
+# define fred_sysvec_thermal				NULL
 # endif
 
 # ifdef CONFIG_IRQ_WORK
 DECLARE_IDTENTRY_SYSVEC(IRQ_WORK_VECTOR,		sysvec_irq_work);
+# else
+# define fred_sysvec_irq_work				NULL
 # endif
 #endif
 
@@ -675,12 +726,16 @@ DECLARE_IDTENTRY_SYSVEC(IRQ_WORK_VECTOR,		sysvec_irq_work);
 DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_VECTOR,		sysvec_kvm_posted_intr_ipi);
 DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_WAKEUP_VECTOR,	sysvec_kvm_posted_intr_wakeup_ipi);
 DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_NESTED_VECTOR,	sysvec_kvm_posted_intr_nested_ipi);
+#else
+# define fred_sysvec_kvm_posted_intr_ipi		NULL
+# define fred_sysvec_kvm_posted_intr_wakeup_ipi		NULL
+# define fred_sysvec_kvm_posted_intr_nested_ipi		NULL
 #endif
 
 #if IS_ENABLED(CONFIG_HYPERV)
 DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR,	sysvec_hyperv_callback);
 DECLARE_IDTENTRY_SYSVEC(HYPERV_REENLIGHTENMENT_VECTOR,	sysvec_hyperv_reenlightenment);
-DECLARE_IDTENTRY_SYSVEC(HYPERV_STIMER0_VECTOR,	sysvec_hyperv_stimer0);
+DECLARE_IDTENTRY_SYSVEC(HYPERV_STIMER0_VECTOR,		sysvec_hyperv_stimer0);
 #endif
 
 #if IS_ENABLED(CONFIG_ACRN_GUEST)
