Andrew Morton wrote:
quoted text
> On Wed, 4 Jun 2008 16:44:56 +0100 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
> >   and to cope with definitions that aren't lvalues
> > - Updates documentation accordingly
> 
> See, this is what I meant.  After your patch we have:
[...]

Sorry, I don't know how that escaped me.  My changes to the show functions
should be unnecessary - though I think that the two different implementations
for lvalues and rvalues are a premature optimisation.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
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