Messages in this thread | | | Date | Wed, 26 Jan 2005 10:22:27 -0800 | From | Keshavamurthy Anil S <> | Subject | Re: [PATCH] unexport register_cpu and unregister_cpu |
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On Wed, Jan 26, 2005 at 12:55:47AM -0600, Nathan Lynch wrote: > http://linus.bkbits.net:8080/linux-2.5/cset@4180a2b7mi2fzuNQDBOQY7eMAkns8g?nav=index.html|src/|src/drivers|src/drivers/base|related/drivers/base/cpu.c > > This changeset introduced exports for register_cpu and unregister_cpu > right after 2.6.10. As far as I can tell these are not called from any > code which can be built as a module, and I can't think of a good reason > why any out of tree code would use them. Unless I've missed something, > can we remove them before 2.6.11?
No this is not correct. ACPI processor.ko driver which supports physical CPU hotplug needs register_cpu() and unregister_cpu() functions for dynamically hotadd/hotremove support of the processors.
Please see drivers/acpi/processor_core.c acpi_processor_hotadd_init() -> arch_register_cpu() -> ->register_cpu().
-Anil
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