On 2011-07-23 03:46, Christoph Hellwig wrote: > On Fri, Jul 22, 2011 at 01:59:39PM -0700, Dan Williams wrote: >> Some storage controllers benefit from completions always being steered >> to the strict requester cpu rather than the looser "per-socket" steering >> that blk_cpu_to_group() attempts by default. > > Isn't this actually dependent on the cpu, and not the storage > controller? It is, it's completely indendent of the controller used. Perhaps some drivers could have a very heavy end io completion handling causing the problem to become larger, but in general it's an artifact of the CPU and not the controller. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
