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DateFri, 13 Jun 2008 07:16:54 +0200
FromIngo Molnar <>
SubjectRe: [PATCH] cputopology: Always define CPU topology information [5th try]
* Ben Hutchings <bhutchings@solarflare.com> wrote:

> Not all architectures and configurations define CPU topology 
> information. This can result in an empty topology directory in sysfs, 
> and requires in-kernel users to protect all uses with #ifdef - see 
> <http://marc.info/?l=linux-netdev&m=120639033904472&w=2>.
> 
> The documentation of CPU topology specifies what the defaults should 
> be if only partial information is available from the hardware.  So we 
> can provide these defaults as a fallback.
> 
> This patch:
> 
> - Adds default definitions of the 4 topology macros to <linux/topology.h>
> - Changes drivers/base/topology.c to use the topology macros unconditionally
> - Updates documentation accordingly

applied to tip/core/topology - thanks Ben.

	Ingo


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