linux-kernel - Subject: [PATCH 36/91] um: take userland definition of barrier() to user.h

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Message-Id: <E1Qu7tj-0007gP-Fy@ZenIV.linux.org.uk>
Date:	Thu, 18 Aug 2011 20:04:59 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	richard@....at
Cc:	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Subject: [PATCH 36/91] um: take userland definition of barrier()
 to user.h


Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 arch/um/include/shared/process.h |    3 ---
 arch/um/include/shared/user.h    |    3 +++
 arch/um/os-Linux/signal.c        |    3 ---
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/arch/um/include/shared/process.h b/arch/um/include/shared/process.h
index bb873a5..2821530 100644
--- a/arch/um/include/shared/process.h
+++ b/arch/um/include/shared/process.h
@@ -8,9 +8,6 @@
 
 #include <signal.h>
 
-/* Copied from linux/compiler-gcc.h since we can't include it directly */
-#define barrier() __asm__ __volatile__("": : :"memory")
-
 extern void sig_handler(int sig, struct sigcontext *sc);
 extern void alarm_handler(int sig, struct sigcontext *sc);
 
diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h
index 58c0581..4fa82c0 100644
--- a/arch/um/include/shared/user.h
+++ b/arch/um/include/shared/user.h
@@ -40,4 +40,7 @@ extern int in_aton(char *str);
 extern size_t strlcpy(char *, const char *, size_t);
 extern size_t strlcat(char *, const char *, size_t);
 
+/* Copied from linux/compiler-gcc.h since we can't include it directly */
+#define barrier() __asm__ __volatile__("": : :"memory")
+
 #endif
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index c4a4e20..08d3061 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -16,9 +16,6 @@
 #include "sysdep/barrier.h"
 #include "sysdep/sigcontext.h"
 
-/* Copied from linux/compiler-gcc.h since we can't include it directly */
-#define barrier() __asm__ __volatile__("": : :"memory")
-
 void (*sig_info[NSIG])(int, struct uml_pt_regs *) = {
 	[SIGTRAP]	= relay_signal,
 	[SIGFPE]	= relay_signal,
-- 
1.7.2.5


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