On Tue, 2010-04-06 at 15:28 +0200, Peter Zijlstra wrote:
> Index: linux-2.6/kernel/trace/trace_irqsoff.c
> ===================================================================
> --- linux-2.6.orig/kernel/trace/trace_irqsoff.c
> +++ linux-2.6/kernel/trace/trace_irqsoff.c
> @@ -316,6 +316,14 @@ void trace_hardirqs_off(void)
> }
> EXPORT_SYMBOL(trace_hardirqs_off);
>
> +void trace_hardirqs_off_no_nmi(void)
> +{
> + WARN_ON_ONCE(in_nmi());
Should we do this for all archs? I can imagine a lot of warning reports
coming in the near future. And they will be passing it towards me.
-- Steve
> + if (!preempt_trace() && irq_trace())
> + start_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
> +}
> +EXPORT_SYMBOL(trace_hardirqs_off_no_nmi);
> +
> void trace_hardirqs_on_caller(unsigned long caller_addr)
> {
> if (!preempt_trace() && irq_trace())
>
>
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