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SubjectRe: [tip:x86/urgent] x86, mce: therm_throt - change when we print messages
On Tue, Aug 11, 2009 at 09:31:14AM -0300, Kevin Winchester wrote:
> 2009/8/11 tip-bot for Dmitry Torokhov <dmitry.torokhov@gmail.com>:
> >  static DEFINE_PER_CPU(__u64, next_check) = INITIAL_JIFFIES;
> >  static DEFINE_PER_CPU(unsigned long, thermal_throttle_count);
> > +static DEFINE_PER_CPU(bool, thermal_throttle_active);
> >
> >  static atomic_t therm_throt_en         = ATOMIC_INIT(0);
> >
> > @@ -96,24 +97,27 @@ static int therm_throt_process(int curr)
> >  {
> >        unsigned int cpu = smp_processor_id();
> >        __u64 tmp_jiffs = get_jiffies_64();
> > +       bool was_throttled = __get_cpu_var(thermal_throttle_active);
> > +       bool is_throttled = __get_cpu_var(thermal_throttle_active) = curr;
>
> This seems a little odd (or perhaps my lack of experience is
> showing...) - should it be:
>
> bool is_throttled = __get_cpu_var(thermal_throttle_active) == curr;
>
> ?

No, you still want to assign the value to thermal_throttle_active.
is_throttled is just a temp so you don't need to invoke
__get_cpu_var(thermal_throttle_active) all over the function.

--
Dmitry
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