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-rw-r--r--arch/arm/kernel/entry-armv.S46
1 files changed, 2 insertions, 44 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 0f82098c9bf..c66ca7e4ee9 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -192,18 +192,6 @@ __dabt_svc:
svc_entry
mov r2, sp
dabt_helper
-
- @
- @ IRQs off again before pulling preserved data off the stack
- @
- disable_irq_notrace
-
-#ifdef CONFIG_TRACE_IRQFLAGS
- tst r5, #PSR_I_BIT
- bleq trace_hardirqs_on
- tst r5, #PSR_I_BIT
- blne trace_hardirqs_off
-#endif
svc_exit r5 @ return from exception
UNWIND(.fnend )
ENDPROC(__dabt_svc)
@@ -223,12 +211,7 @@ __irq_svc:
blne svc_preempt
#endif
-#ifdef CONFIG_TRACE_IRQFLAGS
- @ The parent context IRQs must have been enabled to get here in
- @ the first place, so there's no point checking the PSR I bit.
- bl trace_hardirqs_on
-#endif
- svc_exit r5 @ return from exception
+ svc_exit r5, irq = 1 @ return from exception
UNWIND(.fnend )
ENDPROC(__irq_svc)
@@ -295,22 +278,8 @@ __und_svc_fault:
mov r0, sp @ struct pt_regs *regs
bl __und_fault
- @
- @ IRQs off again before pulling preserved data off the stack
- @
__und_svc_finish:
- disable_irq_notrace
-
- @
- @ restore SPSR and restart the instruction
- @
ldr r5, [sp, #S_PSR] @ Get SVC cpsr
-#ifdef CONFIG_TRACE_IRQFLAGS
- tst r5, #PSR_I_BIT
- bleq trace_hardirqs_on
- tst r5, #PSR_I_BIT
- blne trace_hardirqs_off
-#endif
svc_exit r5 @ return from exception
UNWIND(.fnend )
ENDPROC(__und_svc)
@@ -320,18 +289,6 @@ __pabt_svc:
svc_entry
mov r2, sp @ regs
pabt_helper
-
- @
- @ IRQs off again before pulling preserved data off the stack
- @
- disable_irq_notrace
-
-#ifdef CONFIG_TRACE_IRQFLAGS
- tst r5, #PSR_I_BIT
- bleq trace_hardirqs_on
- tst r5, #PSR_I_BIT
- blne trace_hardirqs_off
-#endif
svc_exit r5 @ return from exception
UNWIND(.fnend )
ENDPROC(__pabt_svc)
@@ -396,6 +353,7 @@ ENDPROC(__pabt_svc)
#ifdef CONFIG_IRQSOFF_TRACER
bl trace_hardirqs_off
#endif
+ ct_user_exit save = 0
.endm
.macro kuser_cmpxchg_check