system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-10-01 17:00:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

dmaengine: idxd: set descriptor allocation size to threshold for swq

Browse source 
Since submission is sent to limited portal, the actual wq size for shared
wq is set by the threshold rather than the wq size. When the wq type is
shared, set the allocated descriptors to the threshold.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162827151733.3459223.3829837172226042408.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dave Jiang 2021-08-06 10:38:37 -07:00 committed by Vinod Koul
parent 0b030f54f0
commit 9806eb5c79
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/dma/idxd/device.c
View file

@ -141,8 +141,8 @@ int idxd_wq_alloc_resources(struct idxd_wq *wq)
if (wq->type != IDXD_WQT_KERNEL)
return 0;
wq->num_descs = wq->size;
num_descs = wq->size;
num_descs = wq_dedicated(wq) ? wq->size : wq->threshold;
wq->num_descs = num_descs;
rc = alloc_hw_descs(wq, num_descs);
if (rc < 0)