Commit 028d7254 authored Oct 26, 2015 by Ignacio Hernandez Committed by Greg Kroah-Hartman Oct 27, 2015

staging/rdma/hfi1: Increase SDMA descriptor queue size



A value of 2048 increased PSM performance while not impacting verbs
performance.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Ignacio Hernandez <ignacio.hernandez@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent ee947859

drivers/staging/rdma/hfi1/sdma.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -65,7 +65,7 @@
		#include "trace.h"

		/* must be a power of 2 >= 64 <= 32768 */
		#define SDMA_DESCQ_CNT 1024
		#define SDMA_DESCQ_CNT 2048
		#define SDMA_DESC_INTR 64
		#define INVALID_TAIL 0xffff