Re: 2nd proc not seen

From: William Lee Irwin III
Date: Mon Sep 29 2003 - 15:52:39 EST


On Mon, Sep 29, 2003 at 11:13:21AM +0200, Mikael Pettersson wrote:
> Problem #1 is that physical CPU numbering isn't dense. This is not a bug.
> Problem #2 is that the kernel's internal dense-logical-to-sparse-physical
> numbering was deleted in 2.5.23 or thereabouts.
> Hence NR_CPUS is basically impossible to use reliably in 2.6 unless we
> reintroduce cpu_logical_map[].

We should be able to at least boot them, since we program logical ID's
ourselves. If you're relying on knowing physids at runtime you'll need
cpu_logical_map[].


-- wli
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