powerpc/cell/cpufreq: add spu aware cpufreq governor

Dave Jones davej at codemonkey.org.uk
Wed Jul 9 13:57:19 EST 2008


On Wed, Jul 09, 2008 at 01:41:38PM +1000, Ben Herrenschmidt wrote:
 > On Tue, 2008-07-08 at 11:27 -0400, Dave Jones wrote:
 > > On Tue, Jul 08, 2008 at 08:43:43AM +0200, Arnd Bergmann wrote:
 > >  > On Monday 07 July 2008, Dave Jones wrote:
 > >  > > One question I do have though, is how userspace scripts are supposed
 > >  > > to know they're to echo cbe_spu_governor into the relevant parts of
 > >  > > sysfs.  I've not used anything with a cell. Do they expose the SPUs
 > >  > > as regular CPUs, or do they show up in a different part of the tree?
 > >  > 
 > >  > An SPU is very different from a CPU from the user perspective.
 > >  > SPUs show up in /sys/devices/system/spus, and if a user wants to access
 > >  > them, the "spufs" file system needs to be mounted in the system, by
 > >  > convention on /spu. 
 > > 
 > > Ok, that should be fairly simple to write scripts for.
 > > All sounds good to me.
 > 
 > Can I add your Acked-by ?

Absolutely.

ACKed-by: Dave Jones <davej at redhat.com>

	Dave 

-- 
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