sh: switch to saved_sigmask-based sigsuspend()/rt_sigsuspend()

Complete the move of sh64 to it, trim the crap from prototypes,
tidy up a bit.  Infrastructure in do_signal() had already been
there, in signal_64 as well as in signal_32 (where it was already
used).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 2 insertions, 6 deletions

diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h
index ae717e3c26d..6c1fa559753 100644
--- a/arch/sh/include/asm/syscalls_32.h
+++ b/arch/sh/include/asm/syscalls_32.h
@@ -23,9 +23,7 @@ asmlinkage int sys_execve(const char __user *ufilename,
                           const char __user *const __user *uargv,
                           const char __user *const __user *uenvp,
                           unsigned long r7, struct pt_regs __regs);
-asmlinkage int sys_sigsuspend(old_sigset_t mask, unsigned long r5,
-                              unsigned long r6, unsigned long r7,
-                              struct pt_regs __regs);
+asmlinkage int sys_sigsuspend(old_sigset_t mask);
 asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act,
                              struct old_sigaction __user *oact);
 asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h
index a42a5610a36..e800a38c9f8 100644
--- a/arch/sh/include/asm/unistd.h
+++ b/arch/sh/include/asm/unistd.h
@@ -1,13 +1,11 @@
 #ifdef __KERNEL__
 # ifdef CONFIG_SUPERH32
-
 #  include "unistd_32.h"
-#  define __ARCH_WANT_SYS_RT_SIGSUSPEND
-
 # else
 #  include "unistd_64.h"
 # endif
 
+# define __ARCH_WANT_SYS_RT_SIGSUSPEND
 # define __ARCH_WANT_IPC_PARSE_VERSION
 # define __ARCH_WANT_OLD_READDIR
 # define __ARCH_WANT_OLD_STAT