[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, 56 deletions

diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index 03ecb4e4614e..c51d08d218ef 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -1277,62 +1277,6 @@ sys_sigstack:
          mov    %l5, %o7
 
         .align  4
-        .globl  sys_sigpause
-sys_sigpause:
-        /* Note: %o0 already has correct value... */
-        call    do_sigpause
-         add    %sp, STACKFRAME_SZ, %o1
-
-        ld      [%curptr + TI_FLAGS], %l5
-        andcc   %l5, _TIF_SYSCALL_TRACE, %g0
-        be      1f
-         nop
-
-        call    syscall_trace
-         nop
-
-1:
-        /* We are returning to a signal handler. */
-        RESTORE_ALL
-
-        .align  4
-        .globl  sys_sigsuspend
-sys_sigsuspend:
-        call    do_sigsuspend
-         add    %sp, STACKFRAME_SZ, %o0
-
-        ld      [%curptr + TI_FLAGS], %l5
-        andcc   %l5, _TIF_SYSCALL_TRACE, %g0
-        be      1f
-         nop
-
-        call    syscall_trace
-         nop
-
-1:
-        /* We are returning to a signal handler. */
-        RESTORE_ALL
-
-        .align  4
-        .globl  sys_rt_sigsuspend
-sys_rt_sigsuspend:
-        /* Note: %o0, %o1 already have correct value... */
-        call    do_rt_sigsuspend
-         add    %sp, STACKFRAME_SZ, %o2
-
-        ld      [%curptr + TI_FLAGS], %l5
-        andcc   %l5, _TIF_SYSCALL_TRACE, %g0
-        be      1f
-         nop
-
-        call    syscall_trace
-         nop
-
-1:
-        /* We are returning to a signal handler. */
-        RESTORE_ALL
-
-        .align  4
         .globl  sys_sigreturn
 sys_sigreturn:
         call    do_sigreturn