Re: [PATCH -rt] wrong usage of smp_processor_id()

[Steven Rostedt <srostedt@redhat.com>]

Daniel Walker wrote:

> ---
>  kernel/latency_trace.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-2.6.21/kernel/latency_trace.c
> ===================================================================
> --- linux-2.6.21.orig/kernel/latency_trace.c
> +++ linux-2.6.21/kernel/latency_trace.c
> @@ -105,7 +105,7 @@ static inline int DEBUG_WARN_ON(int cond
>  #ifdef CONFIG_CRITICAL_IRQSOFF_TIMING
>  # ifdef CONFIG_CRITICAL_PREEMPT_TIMING
>     static DEFINE_PER_CPU(int, trace_cpu_idle);
> -#  define irqs_off_preempt_count() (!__get_cpu_var(trace_cpu_idle) && preempt_count())
> +#  define irqs_off_preempt_count() (preempt_count() && !__get_cpu_var(trace_cpu_idle))
>  # else
>  #  define irqs_off_preempt_count() 0
>  # endif

Ingo,

This is on top of one of my patches that I sent you (the cpu idle one). 
So it's not for the 2.6.21-rt1, but if you apply my patch, this needs to 
be added too.

Acked-by: Steven Rostedt <rostedt@goodmis.org>

-- Steve


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