RE: [ACPI] ACPI using smp_processor_id in preemptible code

[Li, Shaohua]

>I enabled CPU hotplug and preemptible debugging... now I get...
>
>BUG: using smp_processor_id() in preemptible [00000001] code:
>swapper/0
>caller is acpi_processor_idle+0xb/0x235
> [<c020ba28>] smp_processor_id+0xa8/0xc0
> [<c02338ce>] acpi_processor_idle+0xb/0x235
> [<c02338c3>] acpi_processor_idle+0x0/0x235
> [<c02338ce>] acpi_processor_idle+0xb/0x235
> [<c02338c3>] acpi_processor_idle+0x0/0x235
> [<c02338c3>] acpi_processor_idle+0x0/0x235
> [<c02338c3>] acpi_processor_idle+0x0/0x235
> [<c0101115>] cpu_idle+0x75/0x110
> [<c04f5988>] start_kernel+0x158/0x180
> [<c04f5390>] unknown_bootoption+0x0/0x1e0
It doesn't trouble to me. It's in idle thread.

Thanks,
Shaohua
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