On Wed, Sep 03, 2014 at 02:58:33PM +0800, Jason Wang wrote: > On 09/02/2014 06:24 PM, Peter Zijlstra wrote: > The patch only try to improve the performance of busy read (and test > results shows impressive changes). It does not change anything for busy > poll. Considering there maybe two processes in one cpu, one is doing > busy read and one is doing busy polling. This patch may in fact help the > busy polling performance in this case. > > It's good to discuss the ideas of busy poll together, but it was out of > the scope of this patch. We can try to do optimization on top.
No thta's just wrong, blocked read and blocking select should behave the same. -- 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/
