diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 18 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-header.S | 6 |
2 files changed, 6 insertions, 18 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 68e41defef9..9f6a30798b6 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -192,11 +192,6 @@ __dabt_svc: svc_entry mov r2, sp dabt_helper - - @ - @ IRQs off again before pulling preserved data off the stack - @ - disable_irq_notrace svc_exit r5 @ return from exception UNWIND(.fnend ) ENDPROC(__dabt_svc) @@ -283,15 +278,7 @@ __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 svc_exit r5 @ return from exception UNWIND(.fnend ) @@ -302,11 +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 svc_exit r5 @ return from exception UNWIND(.fnend ) ENDPROC(__pabt_svc) diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index 0bf15e5c40a..57a1631f065 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S @@ -76,12 +76,15 @@ #ifndef CONFIG_THUMB2_KERNEL .macro svc_exit, rpsr, irq = 0 .if \irq != 0 + @ IRQs already off #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 .else + @ IRQs off again before pulling preserved data off the stack + disable_irq_notrace #ifdef CONFIG_TRACE_IRQFLAGS tst \rpsr, #PSR_I_BIT bleq trace_hardirqs_on @@ -136,12 +139,15 @@ #else /* CONFIG_THUMB2_KERNEL */ .macro svc_exit, rpsr, irq = 0 .if \irq != 0 + @ IRQs already off #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 .else + @ IRQs off again before pulling preserved data off the stack + disable_irq_notrace #ifdef CONFIG_TRACE_IRQFLAGS tst \rpsr, #PSR_I_BIT bleq trace_hardirqs_on |