Messages in this thread | | | Subject | Re: [RFC/PATCH 0/4] cpus, nodes, and the device model: dynamic cpu registration | From | Nathan Lynch <> | Date | Mon, 25 Oct 2004 06:20:32 -0500 |
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On Mon, 2004-10-25 at 16:12 +1000, Rusty Russell wrote: > On Sun, 2004-10-24 at 03:42 -0600, Nathan Lynch wrote: > > For starters, the current situation is that cpu sysdevs are registered > > from architecture code at boot. Already we have inconsistencies > > betweeen the arches -- ia64 registers only online cpus, ppc64 > > registers all "possible" cpus. > > Um, how does ia64 bring up a new CPU without > a /sys/devices/system/cpu/cpuX/online?
I don't think they have that capability merged yet, but I have seen a few patches for ACPI-based physical hotplug support go by, e.g. http://lkml.org/lkml/2004/9/20/126
Nathan
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