dmaengine: idxd: move submission to sbitmap_queue

Browse source

Kill the percpu-rwsem for work submission in favor of an sbitmap_queue.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/159225446631.68253.8860709181621260997.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

...

This commit is contained in:

Dave Jiang 2020-06-15 13:54:26 -07:00 • committed by Vinod Koul

parent 77522b2191

commit 0705107fcc

5 changed files with 46 additions and 70 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

drivers/dma/Kconfig

View file

14

drivers/dma/idxd/device.c

View file

6

drivers/dma/idxd/idxd.h

View file

20

drivers/dma/idxd/init.c

View file

86

drivers/dma/idxd/submit.c

View file