Messages in this thread | | | Date | Mon, 10 Mar 2008 10:12:18 -0400 | From | Gregory Haskins <> | Subject | Re: [PATCH] adjust root-domain->online span in response to hotplugevent |
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Dmitry Adamushko wrote: > On 08/03/2008, Gregory Haskins <ghaskins@novell.com> wrote: > > I guess, it's in arch-specific code. e.g. for x86-64, > > down: > > kernel/cpu.c :: _cpu_down -> take_cpu_down() -> __cpu_disable() [ > arch/x86/kernel/smpboot_64.c ] -> cpu_clear(cpu, cpu_online_map) > > up: > > kernel/cpu.c :: _cpu_up() -> __cpu_up [ arch/x86/kernel/smpboot_64.c ] > -> do_boot_cpu() -> start_secondary() [ runs on a to-be-online cpu ] > -> cpu_set(smp_processor_id(), cpu_online_map)
Thanks Dmitry! Your tip helped me to figure out what the real solution should be.
Regards, -Greg
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