From c80417b61200072968225e2bed71ed699859a4a3 Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 27 Mar 2015 20:59:34 +0530 Subject: [PATCH] ARC: entry.S: use single EXCEPTION_PROLOGUE Returning from pure kernel mode and exception mode use the same code anyways. Remove one the duplicate blocks Signed-off-by: Vineet Gupta --- arch/arc/kernel/entry-compact.S | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/arch/arc/kernel/entry-compact.S b/arch/arc/kernel/entry-compact.S index abc62cd10a8c..15d457b4403a 100644 --- a/arch/arc/kernel/entry-compact.S +++ b/arch/arc/kernel/entry-compact.S @@ -321,14 +321,11 @@ END(call_do_page_fault) ; decide that. ; if Returning from Exception - bbit0 r10, STATUS_AE_BIT, not_exception - EXCEPTION_EPILOGUE - rtie + btst r10, STATUS_AE_BIT + bnz .Lexcep_ret ; Not Exception so maybe Interrupts (Level 1 or 2) -not_exception: - #ifdef CONFIG_ARC_COMPACT_IRQ_LEVELS ; Level 2 interrupt return Path - from hardware standpoint @@ -377,16 +374,17 @@ not_level2_interrupt: #endif - bbit0 r10, STATUS_A1_BIT, not_level1_interrupt + bbit0 r10, STATUS_A1_BIT, .Lpure_k_mode_ret ;return from level 1 INTERRUPT_EPILOGUE 1 debug_marker_l1: rtie -not_level1_interrupt: +.Lexcep_ret: +.Lpure_k_mode_ret: - ;this case is for syscalls or Exceptions (with fake rtie) + ;this case is for syscalls or Exceptions or pure kernel mode EXCEPTION_EPILOGUE debug_marker_syscall: -- 2.39.2