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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 <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2015-03-27 20:59:34 +05:30
parent 62fb64034d
commit c80417b612
1 changed files with 6 additions and 8 deletions
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14
arch/arc/kernel/entry-compact.S
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@ -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: