uml: move sig_handler_common_skas

This patch moves sig_handler_common_skas from
arch/um/os-Linux/skas/trap.c to its only caller in
arch/um/os-Linux/signal.c.  trap.c is now empty, so it can be removed.

This is code movement only - the significant cleanup needed here is
done in the next patch.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index bce2881aebd7..b9779ac5e5d7 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -292,9 +292,6 @@ extern int add_sigio_fd(int fd);
 extern int ignore_sigio_fd(int fd);
 extern void maybe_sigio_broken(int fd, int read);
 
-/* skas/trap */
-extern void sig_handler_common_skas(int sig, void *sc_ptr);
-
 /* sys-x86_64/prctl.c */
 extern int os_arch_prctl(int pid, int code, unsigned long *addr);