um: take userland definition of barrier() to user.h
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
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 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,