Re: [PATCH 5/6] perf: Optimise topology iteration
From: Andi Kleen
Date: Sun Feb 20 2011 - 16:15:22 EST
On Mon, Feb 21, 2011 at 12:57:39AM +0800, Lin Ming wrote:
> Currently we iterate the full machine looking for a matching core_id/nb
> for the percore and the amd northbridge stuff , using a smaller topology
> mask makes sense.
This is still wrong for CPU hotplug. The CPU "owning" the per core
does not necessarily need to be online anymore.
Please drop this patch.
-Andi
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