Applied w/ Rafael's comment fixes included.
thanks,
-Len
On Thursday 31 January 2008 20:40, Rafael J. Wysocki wrote:
> On Friday, 1 of February 2008, Kevin Hilman wrote:
> > OK, one more (last?) time. :)
>
> Er, no.
>
> > Convert cpu_idle_wait() to cpuidle_kick_cpus() macro which is
> > SMP-only, and gives error on non supported CPU.
> >
> > Signed-off-by: Kevin Hilman <[EMAIL PROTECTED]>
> >
> > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > index 80b7ba4..a3e8ef4 100644
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -105,6 +105,9 @@ config ARCH_HAS_ILOG2_U32
> > config ARCH_HAS_ILOG2_U64
> > def_bool n
> >
> > +config ARCH_HAS_CPU_IDLE_WAIT
> > + def_bool y
> > +
> > config GENERIC_CALIBRATE_DELAY
> > def_bool y
> >
> > diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
> > index d2fabe7..794962d 100644
> > --- a/drivers/cpuidle/cpuidle.c
> > +++ b/drivers/cpuidle/cpuidle.c
> > @@ -82,7 +82,7 @@ void cpuidle_uninstall_idle_handler(void)
> > {
> > if (enabled_devices && (pm_idle != pm_idle_old)) {
> > pm_idle = pm_idle_old;
> > - cpu_idle_wait();
> > + cpuidle_kick_cpus();
> > }
> > }
> >
> > diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
> > index c4e0016..b1c7355 100644
> > --- a/include/linux/cpuidle.h
> > +++ b/include/linux/cpuidle.h
> > @@ -72,6 +72,19 @@ cpuidle_set_statedata(struct cpuidle_state *state, void
> > *data)
> > state->driver_data = data;
> > }
> >
> > +#ifdef CONFIG_SMP
> > +#ifdef CONFIG_ARCH_HAS_CPU_IDLE_WAIT
> > +static inline void cpuidle_kick_cpus(void)
> > +{
> > + cpu_idle_wait()
> > +}
> > +#else /* !ARCH_HAS_CPU_IDLE_WAIT */
>
> Please add the CONFIG_ here too.
>
> > +#error "Arch needs cpu_idle_wait() equivalent here"
> > +#endif /* !ARCH_HAS_CPU_IDLE_WAIT */
>
> And here.
>
> > +#else /* !CONFIG_SMP */
> > +static inline void cpuidle_kick_cpus(void) {}
> > +#endif /* !CONFIG_SMP */
> > +
> > struct cpuidle_state_kobj {
> > struct cpuidle_state *state;
> > struct completion kobj_unregister;
> >
>
> Thanks,
> Rafael
> -
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