Messages in this thread | | | Date | Mon, 4 Oct 2004 10:22:20 -0700 | From | Keshavamurthy Anil S <> | Subject | Re: [PATCH 2.6][resend] Add DEVPATH env variable to hotplug helper call |
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On Sun, Oct 03, 2004 at 04:20:12PM -0700, Andrew Morton wrote: > Does CPU hotplug behave correctly wrt /sys/devices/system/cpu? Given that > register_cpu() is still marked __init, I assume not.
Currently what we have in the kernel is logical cpu hotplug, i.e once the cpu is registered via register_cpu() that cpu can only go offline and still the entry for that cpu will be present in the /sys/devices/system/cpu/cpuX/online.
So __init register_cpu() is fine untill we support unregister_cpu() which is required for physical cpu hotplug case.
I have submitted ACPI based physical cpu hotplug patches and waiting to here from ACPI mainitainer Len Brown, there I have taken care to support unregister_cpu() and register_cpu() is marked as __devinit in those patches. > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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