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Date: Tue, 29 Oct 2002 14:47:25 -0800
From: William Lee Irwin III <wli@holomorphy.com>
To: Matthew Dobson <colpatch@us.ibm.com>
Cc: Erich Focht <efocht@ess.nec.de>, davidm@hpl.hp.com,
       linux-ia64 <linux-ia64@linuxia64.org>,
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Subject: Re: [Linux-ia64] Re: [PATCH] topology for ia64
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On Tue, Oct 29, 2002 at 02:19:25PM -0800, Matthew Dobson wrote:
+/*
+ * Returns the number of the first CPU on Node 'node'.
+ * Slow in the current implementation.
+ * Who needs this?
+ */
+/* #define __node_to_first_cpu(node) pool_cpus[pool_ptr[node]] */
+static inline int __node_to_first_cpu(int node)

So far so safe... though no obvious use of it.


On Tue, Oct 29, 2002 at 02:19:25PM -0800, Matthew Dobson wrote:
> No one is using it now.  I think that I will probably deprecate this 
> function in the near future as it is pretty useless.  Anyone looking for 
> that functionality can just do an __ffs(__node_to_cpu_mask(node)) 
> instead, and hope that there is a reasonably quick implementation of 
> __node_to_cpu_mask.

This assumes the value returned by __node_to_cpu_mask() is a single word.


Bill
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