[SPARC]: Add support for *at(), ppoll, and pselect syscalls.

This also includes by necessity _TIF_RESTORE_SIGMASK support,
which actually resulted in a lot of cleanups.

The sparc signal handling code is quite a mess and I should
clean it up some day.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 23 deletions

diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 710002991888..e50e56e4ab61 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1416,7 +1416,6 @@ execve_merge:
          add            %sp, PTREGS_OFF, %o0
 
         .globl  sys_pipe, sys_sigpause, sys_nis_syscall
-        .globl  sys_sigsuspend, sys_rt_sigsuspend
         .globl  sys_rt_sigreturn
         .globl  sys_ptrace
         .globl  sys_sigaltstack
@@ -1440,28 +1439,6 @@ sys32_sigaltstack:
                  mov            %i6, %o2
 #endif
                 .align          32
-sys_sigsuspend: add             %sp, PTREGS_OFF, %o0
-                call            do_sigsuspend
-                 add            %o7, 1f-.-4, %o7
-                nop
-sys_rt_sigsuspend: /* NOTE: %o0,%o1 have a correct value already */
-                add             %sp, PTREGS_OFF, %o2
-                call            do_rt_sigsuspend
-                 add            %o7, 1f-.-4, %o7
-                nop
-#ifdef CONFIG_COMPAT
-        .globl  sys32_rt_sigsuspend
-sys32_rt_sigsuspend: /* NOTE: %o0,%o1 have a correct value already */
-                srl             %o0, 0, %o0
-                add             %sp, PTREGS_OFF, %o2
-                call            do_rt_sigsuspend32
-                 add            %o7, 1f-.-4, %o7
-#endif
-                /* NOTE: %o0 has a correct value already */
-sys_sigpause:   add             %sp, PTREGS_OFF, %o1
-                call            do_sigpause
-                 add            %o7, 1f-.-4, %o7
-                nop
 #ifdef CONFIG_COMPAT
         .globl  sys32_sigreturn
 sys32_sigreturn: