1 files changed, 4 insertions, 15 deletions

diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index e3ecb36dd554..3bad4ff49471 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -31,6 +31,8 @@
 #include <linux/errno.h>
 #include <asm/signal.h>
 
+#undef DEBUG
+
 /* The size of a state save frame. */
 #define STATE_SAVE_SIZE         (PT_SIZE + STATE_SAVE_ARG_SPACE)
 
@@ -352,10 +354,12 @@ C_ENTRY(_user_exception):
         add     r12, r12, r12;                  /* convert num -> ptr */
         add     r12, r12, r12;
 
+#ifdef DEBUG
         /* Trac syscalls and stored them to r0_ram */
         lwi     r3, r12, 0x400 + r0_ram
         addi    r3, r3, 1
         swi     r3, r12, 0x400 + r0_ram
+#endif
 
         # Find and jump into the syscall handler.
         lwi     r12, r12, sys_call_table
@@ -496,17 +500,6 @@ C_ENTRY(sys_execve):
         brid    microblaze_execve;      /* Do real work (tail-call).*/
         nop;
 
-C_ENTRY(sys_rt_sigsuspend_wrapper):
-        swi     r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
-        swi     r4, r1, PTO+PT_R4;
-        la      r7, r1, PTO;            /* add user context as 3rd arg */
-        brlid   r15, sys_rt_sigsuspend; /* Do real work.*/
-        nop;
-        lwi     r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
-        lwi     r4, r1, PTO+PT_R4;
-        bri ret_from_trap /* fall through will not work here due to align */
-        nop;
-
 C_ENTRY(sys_rt_sigreturn_wrapper):
         swi     r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
         swi     r4, r1, PTO+PT_R4;
@@ -711,15 +704,11 @@ C_ENTRY(ret_from_exc):
          * (in a possibly modified form) after do_signal returns.
          * store return registers separately because this macros is use
          * for others exceptions */
-        swi     r3, r1, PTO + PT_R3;
-        swi     r4, r1, PTO + PT_R4;
         la      r5, r1, PTO;            /* Arg 1: struct pt_regs *regs */
         add     r6, r0, r0;             /* Arg 2: sigset_t *oldset */
         addi    r7, r0, 0;              /* Arg 3: int in_syscall */
         bralid  r15, do_signal; /* Handle any signals */
         nop;
-        lwi     r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
-        lwi     r4, r1, PTO+PT_R4;
 
 /* Finally, return to user state.  */
 1:      swi     r0, r0, PER_CPU(KM);    /* Now officially in user state. */