Messages in this thread | | | Date | Tue, 15 Jan 2002 14:34:02 -0500 | From | Pavel Machek <> | Subject | Re: [PATCH] Hotplug CPUs for i386 2.5.44 |
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Hi!
> Usage: > 1) Apply patch, and boot resulting kernel. > 2) echo 0 > /devices/root/sys/cpu0/online > 3) echo 1 > /devices/root/sys/cpu0/online > > The CPU actually spins with interrupts off, doing cpu_relax() and > polling a variable. It's basically useful for testing the unplug > infrastructure and benchmarking.
Hehe, with this swsusp should be doable on an smp machine (turn it into UP and suspend; during resume, turn it into UP, resume, and go back SMP). I guess I schould get some SMP to play with... Pavel - 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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