On Fri, Aug 24, 2012 at 08:53:31PM +0200, Robert Richter wrote: > Under certain workloads we see the following warnings: > > WQ on CPU0, prefer CPU1 > WQ on CPU0, prefer CPU2 > WQ on CPU0, prefer CPU3 > > It warns the user that the wq to access a per-cpu buffers runs not on > the same cpu. This happens if the wq is rescheduled on a different cpu > than where the buffer is located. This was probably implemented to > detect performance issues. Not sure if there actually is one as the > buffers are copied to a single buffer anyway which should be the > actual bottleneck. > > We wont change WQ implementation. Since a user can do nothing the > warning is pointless. Removing it.
Looks good to me. Acked-by: Andi Kleen <a...@linux.intel.com> -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/