* Rafael J. Wysocki <r...@rjwysocki.net> wrote:
> On Monday, May 05, 2014 10:49:49 PM Igor Mammedov wrote:
> > acpi_processor_add() assumes that present at boot CPUs
> > are always onlined, it is not so if a CPU failed to become
> > onlined. As result acpi_processor_add() will mark such CPU
> > device as onlined in sysfs and following attempts to
> > online/offline it using /sys/device/system/cpu/cpuX/online
> > attribute will fail.
> >
> > Do not poke into device internals in acpi_processor_add()
> > and touch "struct device { .offline }" attribute, since
> > for CPUs onlined at boot it's set by:
> > topology_init() -> arch_register_cpu() -> register_cpu()
> > before ACPI device tree is parsed, and for hotplugged
> > CPUs it's set when userspace onlines CPU via sysfs.
> >
> > Signed-off-by: Igor Mammedov <imamm...@redhat.com>
> > Acked-by: Toshi Kani <toshi.k...@hp.com>
>
> Would there be a problem if I applied this separately from the rest
> of the series?
If you push the fix upstream for v3.15 then it would be fine and I
could base the other patches on top of your (soon to be upstream)
commit.
Thanks,
Ingo
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