Re: Default XPS settings in mlx4 driver

2015-05-19 Thread David Miller
From: Tom Herbert Date: Tue, 19 May 2015 13:38:35 -0700 > Looks like there's a few other drivers that are setting XPS, they > might have similar issue. We really need generic infrastructure for such configuration attempts so that the default policy across all such drivers is consistent. -- To un

Default XPS settings in mlx4 driver

2015-05-19 Thread Tom Herbert
Hi Ido, I'm looking at your patch "net/mlx4_en: Configure the XPS queue mapping on driver load". We're testing a 40 CPU system and it looks like XPS is being configured by default with forty queues 0-39 where each xps_cpus is (1 << i). The problem is that this does not easily align with RX queues