Re: cpu hotplug: possible_cpus broken (again?) next-20130607

From: Rafael J. Wysocki
Date: Tue Jun 11 2013 - 18:25:46 EST


On Tuesday, June 11, 2013 03:17:28 PM Dave Hansen wrote:
> On 06/11/2013 03:05 PM, Rafael J. Wysocki wrote:
> > On Tuesday, June 11, 2013 02:51:33 PM Dave Hansen wrote:
> >> possible_cpus looks broken again. I'm booting with:
> >>
> >> maxcpus=10 possible_cpus=160
> >>
> >> But I only get 0-9 in sysfs:
> >>
> >>> # ls /sys/devices/system/cpu/
> >>> cpu0 cpu2 cpu4 cpu6 cpu8 cpufreq kernel_max offline possible probe uevent
> >>> cpu1 cpu3 cpu5 cpu7 cpu9 cpuidle modalias online present release
> >
> > Can you please test the acpi-hotplug branch of the linux-pm.git tree?
>
> That branch seems to work happily.

In that case the problem may have been reintroduced by a merge conflict fix in
linux-next.

Thanks,
Rafael


--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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