diff --git a/libc/kernel/common/linux/irq.h b/libc/kernel/common/linux/irq.h
index 38f5db7..f56a628 100644
--- a/libc/kernel/common/linux/irq.h
+++ b/libc/kernel/common/linux/irq.h
@@ -7,94 +7,103 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef _LINUX_IRQ_H
 #define _LINUX_IRQ_H
-
 #include <linux/smp.h>
-
 #include <linux/linkage.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/cache.h>
 #include <linux/spinlock.h>
 #include <linux/cpumask.h>
 #include <linux/irqreturn.h>
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <asm/irq.h>
 #include <asm/ptrace.h>
-
 #define IRQ_TYPE_NONE 0x00000000  
 #define IRQ_TYPE_EDGE_RISING 0x00000001  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQ_TYPE_EDGE_FALLING 0x00000002  
 #define IRQ_TYPE_EDGE_BOTH (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING)
 #define IRQ_TYPE_LEVEL_HIGH 0x00000004  
 #define IRQ_TYPE_LEVEL_LOW 0x00000008  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQ_TYPE_SENSE_MASK 0x0000000f  
 #define IRQ_TYPE_PROBE 0x00000010  
-
 #define IRQ_INPROGRESS 0x00010000  
 #define IRQ_DISABLED 0x00020000  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQ_PENDING 0x00040000  
 #define IRQ_REPLAY 0x00080000  
 #define IRQ_AUTODETECT 0x00100000  
 #define IRQ_WAITING 0x00200000  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQ_LEVEL 0x00400000  
 #define IRQ_MASKED 0x00800000  
 #define IRQ_PER_CPU 0x01000000  
 #define CHECK_IRQ_PER_CPU(var) 0
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQ_NOPROBE 0x02000000  
 #define IRQ_NOREQUEST 0x04000000  
 #define IRQ_NOAUTOEN 0x08000000  
 #define IRQ_DELAYED_DISABLE 0x10000000  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define IRQ_WAKEUP 0x20000000  
-
 struct proc_dir_entry;
-
 struct irq_chip {
  const char *name;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned int (*startup)(unsigned int irq);
  void (*shutdown)(unsigned int irq);
  void (*enable)(unsigned int irq);
  void (*disable)(unsigned int irq);
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void (*ack)(unsigned int irq);
  void (*mask)(unsigned int irq);
  void (*mask_ack)(unsigned int irq);
  void (*unmask)(unsigned int irq);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  void (*eoi)(unsigned int irq);
-
  void (*end)(unsigned int irq);
  void (*set_affinity)(unsigned int irq, cpumask_t dest);
  int (*retrigger)(unsigned int irq);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int (*set_type)(unsigned int irq, unsigned int flow_type);
  int (*set_wake)(unsigned int irq, unsigned int on);
-
  const char *typename;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct irq_desc {
  void fastcall (*handle_irq)(unsigned int irq,
  struct irq_desc *desc,
  struct pt_regs *regs);
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct irq_chip *chip;
  void *handler_data;
  void *chip_data;
  struct irqaction *action;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned int status;
-
  unsigned int depth;
  unsigned int wake_depth;
  unsigned int irq_count;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned int irqs_unhandled;
  spinlock_t lock;
 } ____cacheline_aligned;
-
 #define hw_interrupt_type irq_chip
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef struct irq_chip hw_irq_controller;
 #define no_irq_type no_irq_chip
 typedef struct irq_desc irq_desc_t;
-
 #include <asm/hw_irq.h>
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif