PROBLEM: Only 2 of 4 cores used on IBM Cell blades and no threads shown in spufs

[Michael Ellerman]

On Tue, Apr 23, 2013 at 03:16:53PM +0200, Dennis Schridde wrote:
> Hello!
> 
> Am Dienstag, 23. April 2013, 13:51:55 schrieb Dennis Schridde:
> > Am Tue, 23 Apr 2013 19:12:47 +1000
> > schrieb Michael Ellerman <michael at ellerman.id.au>:
> > > On Mon, Apr 22, 2013 at 06:44:13PM +0200, Dennis Schridde wrote:
> > > For me it is fixed by applying the following patch, it should be in
> > > v3.10:
> > I am currently compiling the patched kernel. Will report back with the
> > results later.
> 
> Thanks! The patch has the intended result on my Linux 3.8.8 kernel. All 4 CPU 
> cores are now being used and the cellminer hashrate went up from 42Mh/s to 
> 62Mh/s (with 2 PPE and 16 SPE threads, just as before).

Excellent.

> Could it be backported, especially to 3.8?

Yes we'll send it to stable.

cheers