forbid asm/bitops.h direct inclusion

forbid asm/bitops.h direct inclusion

Because of compile errors that may occur after bit changes if asm/bitops.h is
included directly without e.g.  linux/kernel.h which includes linux/bitops.h,
forbid direct inclusion of asm/bitops.h.  Thanks to Adrian Bunk.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

25 files changed, 102 insertions, 0 deletions

diff --git a/include/asm-alpha/bitops.h b/include/asm-alpha/bitops.h
index 381b4f5b4d..9e19a704d4 100644
--- a/include/asm-alpha/bitops.h
+++ b/include/asm-alpha/bitops.h
@@ -1,6 +1,10 @@
 #ifndef _ALPHA_BITOPS_H
 #define _ALPHA_BITOPS_H
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm/compiler.h>
 #include <asm/barrier.h>
 
diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h
index 52fe05895d..47a6b086ee 100644
--- a/include/asm-arm/bitops.h
+++ b/include/asm-arm/bitops.h
@@ -19,6 +19,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <asm/system.h>
 
diff --git a/include/asm-avr32/bitops.h b/include/asm-avr32/bitops.h
index f3faddfd46..1a50b69b1a 100644
--- a/include/asm-avr32/bitops.h
+++ b/include/asm-avr32/bitops.h
@@ -8,6 +8,10 @@
 #ifndef __ASM_AVR32_BITOPS_H
 #define __ASM_AVR32_BITOPS_H
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm/byteorder.h>
 #include <asm/system.h>
 
diff --git a/include/asm-blackfin/bitops.h b/include/asm-blackfin/bitops.h
index 03ecedc1f2..b39a175c79 100644
--- a/include/asm-blackfin/bitops.h
+++ b/include/asm-blackfin/bitops.h
@@ -11,6 +11,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm-generic/bitops/ffs.h>
 #include <asm-generic/bitops/__ffs.h>
 #include <asm-generic/bitops/sched.h>
diff --git a/include/asm-cris/bitops.h b/include/asm-cris/bitops.h
index 617151b9b7..e2f49c27ed 100644
--- a/include/asm-cris/bitops.h
+++ b/include/asm-cris/bitops.h
@@ -14,6 +14,10 @@
 /* Currently this is unsuitable for consumption outside the kernel.  */
 #ifdef __KERNEL__ 
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm/arch/bitops.h>
 #include <asm/system.h>
 #include <asm/atomic.h>
diff --git a/include/asm-frv/bitops.h b/include/asm-frv/bitops.h
index 8dba74b1a2..e29de7131b 100644
--- a/include/asm-frv/bitops.h
+++ b/include/asm-frv/bitops.h
@@ -21,6 +21,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm-generic/bitops/ffz.h>
 
 /*
diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h
index e022a0f59e..15e6f253dd 100644
--- a/include/asm-generic/bitops.h
+++ b/include/asm-generic/bitops.h
@@ -19,6 +19,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/ffs.h>
 #include <asm-generic/bitops/hweight.h>
diff --git a/include/asm-h8300/bitops.h b/include/asm-h8300/bitops.h
index e64ad31565..cb18e3b0aa 100644
--- a/include/asm-h8300/bitops.h
+++ b/include/asm-h8300/bitops.h
@@ -10,6 +10,11 @@
 #include <asm/system.h>
 
 #ifdef __KERNEL__
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 /*
  * Function prototypes to keep gcc -Wall happy
  */
diff --git a/include/asm-ia64/bitops.h b/include/asm-ia64/bitops.h
index 2144f1a8ed..a977affaeb 100644
--- a/include/asm-ia64/bitops.h
+++ b/include/asm-ia64/bitops.h
@@ -9,6 +9,10 @@
  * O(1) scheduler patch
  */
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <linux/types.h>
 #include <asm/intrinsics.h>
diff --git a/include/asm-m32r/bitops.h b/include/asm-m32r/bitops.h
index 313a02c4a8..6dc9b81bf9 100644
--- a/include/asm-m32r/bitops.h
+++ b/include/asm-m32r/bitops.h
@@ -11,6 +11,10 @@
  *    Copyright (C) 2004  Hirokazu Takata <takata at linux-m32r.org>
  */
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <asm/assembler.h>
 #include <asm/system.h>
diff --git a/include/asm-m68k/bitops.h b/include/asm-m68k/bitops.h
index da151f70cd..2976b5d68e 100644
--- a/include/asm-m68k/bitops.h
+++ b/include/asm-m68k/bitops.h
@@ -8,6 +8,10 @@
  * for more details.
  */
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 
 /*
diff --git a/include/asm-m68knommu/bitops.h b/include/asm-m68knommu/bitops.h
index b8b2770d68..f8dfb7ba2e 100644
--- a/include/asm-m68knommu/bitops.h
+++ b/include/asm-m68knommu/bitops.h
@@ -10,6 +10,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm-generic/bitops/ffs.h>
 #include <asm-generic/bitops/__ffs.h>
 #include <asm-generic/bitops/sched.h>
diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h
index 77ed0c7983..ec75ce4cdb 100644
--- a/include/asm-mips/bitops.h
+++ b/include/asm-mips/bitops.h
@@ -9,6 +9,10 @@
 #ifndef _ASM_BITOPS_H
 #define _ASM_BITOPS_H
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <linux/irqflags.h>
 #include <linux/types.h>
diff --git a/include/asm-parisc/bitops.h b/include/asm-parisc/bitops.h
index 03ae287baf..f8eebcbad0 100644
--- a/include/asm-parisc/bitops.h
+++ b/include/asm-parisc/bitops.h
@@ -1,6 +1,10 @@
 #ifndef _PARISC_BITOPS_H
 #define _PARISC_BITOPS_H
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <asm/types.h>          /* for BITS_PER_LONG/SHIFT_PER_LONG */
 #include <asm/byteorder.h>
diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h
index e85c3e078b..733b4af7f4 100644
--- a/include/asm-powerpc/bitops.h
+++ b/include/asm-powerpc/bitops.h
@@ -38,6 +38,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <asm/asm-compat.h>
 #include <asm/synch.h>
diff --git a/include/asm-s390/bitops.h b/include/asm-s390/bitops.h
index d756b34d25..34d9a6357c 100644
--- a/include/asm-s390/bitops.h
+++ b/include/asm-s390/bitops.h
@@ -15,6 +15,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 
 /*
diff --git a/include/asm-sh/bitops.h b/include/asm-sh/bitops.h
index 9d7021723a..df805f20b2 100644
--- a/include/asm-sh/bitops.h
+++ b/include/asm-sh/bitops.h
@@ -2,6 +2,11 @@
 #define __ASM_SH_BITOPS_H
 
 #ifdef __KERNEL__
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm/system.h>
 /* For __swab32 */
 #include <asm/byteorder.h>
diff --git a/include/asm-sh64/bitops.h b/include/asm-sh64/bitops.h
index 444d5ea92c..600c59efb4 100644
--- a/include/asm-sh64/bitops.h
+++ b/include/asm-sh64/bitops.h
@@ -13,6 +13,11 @@
  */
 
 #ifdef __KERNEL__
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <asm/system.h>
 /* For __swab32 */
diff --git a/include/asm-sparc/bitops.h b/include/asm-sparc/bitops.h
index 00bd0a679d..cb3cefab6e 100644
--- a/include/asm-sparc/bitops.h
+++ b/include/asm-sparc/bitops.h
@@ -14,6 +14,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
 extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
 extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
diff --git a/include/asm-sparc64/bitops.h b/include/asm-sparc64/bitops.h
index dd4bfe993b..982ce8992b 100644
--- a/include/asm-sparc64/bitops.h
+++ b/include/asm-sparc64/bitops.h
@@ -7,6 +7,10 @@
 #ifndef _SPARC64_BITOPS_H
 #define _SPARC64_BITOPS_H
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <asm/byteorder.h>
 
diff --git a/include/asm-um/bitops.h b/include/asm-um/bitops.h
index 46d781953d..e4d38d437b 100644
--- a/include/asm-um/bitops.h
+++ b/include/asm-um/bitops.h
@@ -1,6 +1,10 @@
 #ifndef __UM_BITOPS_H
 #define __UM_BITOPS_H
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include "asm/arch/bitops.h"
 
 #endif
diff --git a/include/asm-v850/bitops.h b/include/asm-v850/bitops.h
index 8eafdb1c08..f82f5b4a56 100644
--- a/include/asm-v850/bitops.h
+++ b/include/asm-v850/bitops.h
@@ -13,6 +13,9 @@
 #ifndef __V850_BITOPS_H__
 #define __V850_BITOPS_H__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
 
 #include <linux/compiler.h>     /* unlikely  */
 #include <asm/byteorder.h>      /* swab32 */
diff --git a/include/asm-x86/bitops_32.h b/include/asm-x86/bitops_32.h
index c96641f750..3268a341cf 100644
--- a/include/asm-x86/bitops_32.h
+++ b/include/asm-x86/bitops_32.h
@@ -5,6 +5,10 @@
  * Copyright 1992, Linus Torvalds.
  */
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <linux/compiler.h>
 #include <asm/alternative.h>
 
diff --git a/include/asm-x86/bitops_64.h b/include/asm-x86/bitops_64.h
index 525edf2ce5..dacaa5f1fe 100644
--- a/include/asm-x86/bitops_64.h
+++ b/include/asm-x86/bitops_64.h
@@ -5,6 +5,10 @@
  * Copyright 1992, Linus Torvalds.
  */
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm/alternative.h>
 
 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)
diff --git a/include/asm-xtensa/bitops.h b/include/asm-xtensa/bitops.h
index 78db04cf6e..23261e8f2e 100644
--- a/include/asm-xtensa/bitops.h
+++ b/include/asm-xtensa/bitops.h
@@ -15,6 +15,10 @@
 
 #ifdef __KERNEL__
 
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
 #include <asm/processor.h>
 #include <asm/byteorder.h>
 #include <asm/system.h>