1 files changed, 27 insertions, 17 deletions

diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index 7f5f65d0b3fd..e0fed7711a94 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -1,23 +1,19 @@
         /* SunOS's execv() call only specifies the argv argument, the
          * environment settings are the same as the calling processes.
          */
-sys_execve:
-        sethi   %hi(sparc_execve), %g1
-        ba,pt   %xcc, execve_merge
-         or     %g1, %lo(sparc_execve), %g1
+sys64_execve:
+        set     sys_execve, %g1
+        jmpl    %g1, %g0
+         flushw
 
 #ifdef CONFIG_COMPAT
 sunos_execv:
-        stx     %g0, [%sp + PTREGS_OFF + PT_V9_I2]
+        mov     %g0, %o2
 sys32_execve:
-        sethi   %hi(sparc32_execve), %g1
-        or      %g1, %lo(sparc32_execve), %g1
-#endif
-
-execve_merge:
-        flushw
+        set     compat_sys_execve, %g1
         jmpl    %g1, %g0
-         add    %sp, PTREGS_OFF, %o0
+         flushw
+#endif
 
         .align  32
 sys_sparc_pipe:
@@ -112,16 +108,31 @@ sys_clone:
 ret_from_syscall:
         /* Clear current_thread_info()->new_child. */
         stb     %g0, [%g6 + TI_NEW_CHILD]
-        ldx     [%g6 + TI_FLAGS], %l0
         call    schedule_tail
          mov    %g7, %o0
+        ldx     [%sp + PTREGS_OFF + PT_V9_I0], %o0
+        brnz,pt %o0, ret_sys_call
+         ldx    [%g6 + TI_FLAGS], %l0
+        ldx     [%sp + PTREGS_OFF + PT_V9_G1], %l1
+        call    %l1
+         ldx    [%sp + PTREGS_OFF + PT_V9_G2], %o0
         ba,pt   %xcc, ret_sys_call
-         ldx    [%sp + PTREGS_OFF + PT_V9_I0], %o0
+         mov    0, %o0
+
+        .globl  sparc_exit_group
+        .type   sparc_exit_group,#function
+sparc_exit_group:
+        sethi   %hi(sys_exit_group), %g7
+        ba,pt   %xcc, 1f
+         or     %g7, %lo(sys_exit_group), %g7
+        .size   sparc_exit_group,.-sparc_exit_group
 
         .globl  sparc_exit
         .type   sparc_exit,#function
 sparc_exit:
-        rdpr    %pstate, %g2
+        sethi   %hi(sys_exit), %g7
+        or      %g7, %lo(sys_exit), %g7
+1:      rdpr    %pstate, %g2
         wrpr    %g2, PSTATE_IE, %pstate
         rdpr    %otherwin, %g1
         rdpr    %cansave, %g3
@@ -129,7 +140,7 @@ sparc_exit:
         wrpr    %g3, 0x0, %cansave
         wrpr    %g0, 0x0, %otherwin
         wrpr    %g2, 0x0, %pstate
-        ba,pt   %xcc, sys_exit
+        jmpl    %g7, %g0
          stb    %g0, [%g6 + TI_WSAVED]
         .size   sparc_exit,.-sparc_exit
 
@@ -222,7 +233,6 @@ ret_sys_call:
         ldx     [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc
 
 2:
-        stb     %g0, [%g6 + TI_SYS_NOERROR]
         /* System call success, clear Carry condition code. */
         andn    %g3, %g2, %g3
 3: