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Date: Fri, 08 Nov 2013 10:48:04 +0800
From: Chen Gang <gang.chen@...anux.com>
To: Vineet Gupta <Vineet.Gupta1@...opsys.com>,
Arnd Bergmann <arnd@...db.de>, Jonas Bonn <jonas@...thpole.se>
CC: "dhowells@...hat.com" <dhowells@...hat.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] arch: arc: uapi: be sure of "_UAPI" prefix for all guard
macros
For all uapi headers, need use "_UAPI" prefix for its guard macro
(which will be stripped by "scripts/headers_installer.sh").
And be sure that all "endif" need append (or have correct) related
comment, and all normal uapi header files need content guard macro.
Also reserve guard macro in empty file, since some "usr/include/*"
header files may check guard macro to know whether content related
header file.
Cc: David Howells <dhowells@...hat.com>
Signed-off-by: Chen Gang <gang.chen@...anux.com>
---
arch/arc/include/uapi/asm/byteorder.h | 6 +++---
arch/arc/include/uapi/asm/cachectl.h | 6 +++---
arch/arc/include/uapi/asm/elf.h | 2 +-
arch/arc/include/uapi/asm/setup.h | 9 +++++++--
arch/arc/include/uapi/asm/sigcontext.h | 6 +++---
arch/arc/include/uapi/asm/signal.h | 6 +++---
arch/arc/include/uapi/asm/swab.h | 6 +++---
arch/arc/include/uapi/asm/unistd.h | 4 ++++
8 files changed, 27 insertions(+), 18 deletions(-)
diff --git a/arch/arc/include/uapi/asm/byteorder.h b/arch/arc/include/uapi/asm/byteorder.h
index 9da71d4..859fde2 100644
--- a/arch/arc/include/uapi/asm/byteorder.h
+++ b/arch/arc/include/uapi/asm/byteorder.h
@@ -6,8 +6,8 @@
* published by the Free Software Foundation.
*/
-#ifndef __ASM_ARC_BYTEORDER_H
-#define __ASM_ARC_BYTEORDER_H
+#ifndef _UAPI__ASM_ARC_BYTEORDER_H
+#define _UAPI__ASM_ARC_BYTEORDER_H
#ifdef CONFIG_CPU_BIG_ENDIAN
#include <linux/byteorder/big_endian.h>
@@ -15,4 +15,4 @@
#include <linux/byteorder/little_endian.h>
#endif
-#endif /* ASM_ARC_BYTEORDER_H */
+#endif /* _UAPI__ASM_ARC_BYTEORDER_H */
diff --git a/arch/arc/include/uapi/asm/cachectl.h b/arch/arc/include/uapi/asm/cachectl.h
index 51c73f0..2437fc6 100644
--- a/arch/arc/include/uapi/asm/cachectl.h
+++ b/arch/arc/include/uapi/asm/cachectl.h
@@ -6,8 +6,8 @@
* published by the Free Software Foundation.
*/
-#ifndef __ARC_ASM_CACHECTL_H
-#define __ARC_ASM_CACHECTL_H
+#ifndef _UAPI__ARC_ASM_CACHECTL_H
+#define _UAPI__ARC_ASM_CACHECTL_H
/*
* ARC ABI flags defined for Android's finegrained cacheflush requirements
@@ -25,4 +25,4 @@
#define DCACHE CF_D_FLUSH
#define BCACHE (CF_I_INV | CF_D_FLUSH)
-#endif
+#endif /* _UAPI__ARC_ASM_CACHECTL_H */
diff --git a/arch/arc/include/uapi/asm/elf.h b/arch/arc/include/uapi/asm/elf.h
index 0f99ac8..4e82dc6 100644
--- a/arch/arc/include/uapi/asm/elf.h
+++ b/arch/arc/include/uapi/asm/elf.h
@@ -23,4 +23,4 @@ typedef unsigned long elf_fpregset_t;
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-#endif
+#endif /* _UAPI__ASM_ARC_ELF_H */
diff --git a/arch/arc/include/uapi/asm/setup.h b/arch/arc/include/uapi/asm/setup.h
index a6d4e44..09a8df7 100644
--- a/arch/arc/include/uapi/asm/setup.h
+++ b/arch/arc/include/uapi/asm/setup.h
@@ -1,6 +1,11 @@
/*
* setup.h is part of userspace header ABI so UAPI scripts have to generate it
* even if there's nothing to export - causing empty <uapi/asm/setup.h>
- * However to prevent "patch" from discarding it we add this placeholder
- * comment
+ *
+ * And some user programs may check guard macro to know whether content related
+ * header file (e.g. some of "/usr/include/ *" header files check guard macro),
+ * so recommend to still reserve guard macro in empty file.
*/
+#ifndef _UAPI__ASM_ARC_SETUP_H
+#define _UAPI__ASM_ARC_SETUP_H
+#endif /* _UAPI__ASM_ARC_SETUP_H */
diff --git a/arch/arc/include/uapi/asm/sigcontext.h b/arch/arc/include/uapi/asm/sigcontext.h
index 9678a11..b2063ff 100644
--- a/arch/arc/include/uapi/asm/sigcontext.h
+++ b/arch/arc/include/uapi/asm/sigcontext.h
@@ -6,8 +6,8 @@
* published by the Free Software Foundation.
*/
-#ifndef _ASM_ARC_SIGCONTEXT_H
-#define _ASM_ARC_SIGCONTEXT_H
+#ifndef _UAPI_ASM_ARC_SIGCONTEXT_H
+#define _UAPI_ASM_ARC_SIGCONTEXT_H
#include <asm/ptrace.h>
@@ -19,4 +19,4 @@ struct sigcontext {
struct user_regs_struct regs;
};
-#endif /* _ASM_ARC_SIGCONTEXT_H */
+#endif /* _UAPI_ASM_ARC_SIGCONTEXT_H */
diff --git a/arch/arc/include/uapi/asm/signal.h b/arch/arc/include/uapi/asm/signal.h
index fad62f7..f212d83 100644
--- a/arch/arc/include/uapi/asm/signal.h
+++ b/arch/arc/include/uapi/asm/signal.h
@@ -8,8 +8,8 @@
* Amit Bhor, Sameer Dhavale: Codito Technologies 2004
*/
-#ifndef _ASM_ARC_SIGNAL_H
-#define _ASM_ARC_SIGNAL_H
+#ifndef _UAPI_ASM_ARC_SIGNAL_H
+#define _UAPI_ASM_ARC_SIGNAL_H
/*
* This is much needed for ARC sigreturn optimization.
@@ -24,4 +24,4 @@
#include <asm-generic/signal.h>
-#endif /* _ASM_ARC_SIGNAL_H */
+#endif /* _UAPI_ASM_ARC_SIGNAL_H */
diff --git a/arch/arc/include/uapi/asm/swab.h b/arch/arc/include/uapi/asm/swab.h
index 095599a..7237a21 100644
--- a/arch/arc/include/uapi/asm/swab.h
+++ b/arch/arc/include/uapi/asm/swab.h
@@ -13,8 +13,8 @@
* -Hardware assisted single cycle bswap (Use Case of ARC custom instrn)
*/
-#ifndef __ASM_ARC_SWAB_H
-#define __ASM_ARC_SWAB_H
+#ifndef _UAPI__ASM_ARC_SWAB_H
+#define _UAPI__ASM_ARC_SWAB_H
#include <linux/types.h>
@@ -95,4 +95,4 @@
#define __SWAB_64_THRU_32__
#endif
-#endif
+#endif /* _UAPI__ASM_ARC_SWAB_H */
diff --git a/arch/arc/include/uapi/asm/unistd.h b/arch/arc/include/uapi/asm/unistd.h
index 6f30484..109f32c 100644
--- a/arch/arc/include/uapi/asm/unistd.h
+++ b/arch/arc/include/uapi/asm/unistd.h
@@ -7,6 +7,8 @@
*/
/******** no-legacy-syscalls-ABI *******/
+#ifndef _UAPI_ASM_ARC_UNISTD_H
+#define _UAPI_ASM_ARC_UNISTD_H
#define __ARCH_WANT_SYS_EXECVE
#define __ARCH_WANT_SYS_CLONE
@@ -32,3 +34,5 @@ __SYSCALL(__NR_arc_gettls, sys_arc_gettls)
/* Generic syscall (fs/filesystems.c - lost in asm-generic/unistd.h */
#define __NR_sysfs (__NR_arch_specific_syscall + 3)
__SYSCALL(__NR_sysfs, sys_sysfs)
+
+#endif /* _UAPI_ASM_ARC_UNISTD_H */
--
1.7.7.6
--
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