microblaze: Optimize hw exception rutine

Remove set_vms because UMS is cleared and VMS is already setup.
Optimize function calling which save one additional instruction.

Signed-off-by: Michal Simek <monstr@monstr.eu>

1 files changed, 6 insertions, 16 deletions

diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 5529f64e97e8..ff8d9872c774 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -562,10 +562,8 @@ C_ENTRY(full_exception_trap):
         nop
         mts     rfsr, r0;       /* Clear sticky fsr */
         nop
-        addik   r12, r0, full_exception
-        set_vms;
-        rted    r12, 0;
-        nop;
+        rted    r0, full_exception
+        nop
 
 /*
  * Unaligned data trap.
@@ -599,11 +597,8 @@ C_ENTRY(unaligned_data_trap):
         nop
         mfs     r4, rear                /* EAR */
         nop
+        rtbd    r0, _unaligned_data_exception
         addik   r7, r1, PTO             /* parameter struct pt_regs * regs */
-        addik   r12, r0, _unaligned_data_exception
-        set_vms;
-        rtbd    r12, 0; /* interrupts enabled */
-        nop;
 
 /*
  * Page fault traps.
@@ -635,10 +630,8 @@ C_ENTRY(page_fault_data_trap):
         nop
         mfs     r7, resr                /* parameter unsigned long error_code */
         nop
-        addik   r12, r0, do_page_fault
-        set_vms;
-        rted    r12, 0; /* interrupts enabled */
-        nop;
+        rted    r0, do_page_fault
+        nop
 
 C_ENTRY(page_fault_instr_trap):
         SAVE_STATE              /* Save registers.*/
@@ -650,11 +643,8 @@ C_ENTRY(page_fault_instr_trap):
         addik   r5, r1, PTO             /* parameter struct pt_regs * regs */
         mfs     r6, rear                /* parameter unsigned long address */
         nop
+        rted    r0, do_page_fault
         ori     r7, r0, 0               /* parameter unsigned long error_code */
-        addik   r12, r0, do_page_fault
-        set_vms;
-        rted    r12, 0; /* interrupts enabled */
-        nop;
 
 /* Entry point used to return from an exception.  */
 C_ENTRY(ret_from_exc):