Re: [PATCH] cpufreq: return EEXIST instead of EBUSY for second registering

[Rafael J. Wysocki]

On Thursday, September 19, 2013 09:38:32 AM Viresh Kumar wrote:
> On 19 September 2013 09:35, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> > System that cpu support intel_pstate, acpi_cpufreq fail to
> > load, and udev keep trying until trace get filled up and
> > kernel crash.
> >
> > The root cause is driver return ret from cpufreq_register_driver
> > and when some other driver take over before, it would return
> > EBUSY, then udev will keep trying...
> >
> > cpufreq_register_driver should return EEXIST instead.
> > then system could boot without appending intel_pstate=disable
> > and still use intel_pstate.
> >
> > Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
> 
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

Applied, thanks!


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/