diff options
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index d644d0240ad..c46bafa2f6d 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -185,20 +185,15 @@ ENDPROC(__und_invalid) __dabt_svc: svc_entry - @ - @ get ready to re-enable interrupts if appropriate - @ - mrs r9, cpsr - tst r5, #PSR_I_BIT - biceq r9, r9, #PSR_I_BIT +#ifdef CONFIG_TRACE_IRQFLAGS + bl trace_hardirqs_off +#endif dabt_helper @ - @ set desired IRQ state, then call main handler + @ call main handler @ - debug_entry r1 - msr cpsr_c, r9 mov r2, sp bl do_DataAbort @@ -211,6 +206,12 @@ __dabt_svc: @ restore SPSR and restart the instruction @ ldr r5, [sp, #S_PSR] +#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) @@ -307,16 +308,11 @@ ENDPROC(__und_svc) __pabt_svc: svc_entry - @ - @ re-enable interrupts if appropriate - @ - mrs r9, cpsr - tst r5, #PSR_I_BIT - biceq r9, r9, #PSR_I_BIT +#ifdef CONFIG_TRACE_IRQFLAGS + bl trace_hardirqs_off +#endif pabt_helper - debug_entry r1 - msr cpsr_c, r9 @ Maybe enable interrupts mov r2, sp @ regs bl do_PrefetchAbort @ call abort handler @@ -329,6 +325,12 @@ __pabt_svc: @ restore SPSR and restart the instruction @ ldr r5, [sp, #S_PSR] +#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) @@ -412,11 +414,6 @@ __dabt_usr: kuser_cmpxchg_check dabt_helper - @ - @ IRQs on, then call the main handler - @ - debug_entry r1 - enable_irq mov r2, sp adr lr, BSYM(ret_from_exception) b do_DataAbort @@ -663,8 +660,6 @@ ENDPROC(__und_usr_unknown) __pabt_usr: usr_entry pabt_helper - debug_entry r1 - enable_irq @ Enable interrupts mov r2, sp @ regs bl do_PrefetchAbort @ call abort handler UNWIND(.fnend ) |