dmaengine: idxd: move submission to sbitmap_queue
authorDave Jiang <dave.jiang@intel.com>
Mon, 15 Jun 2020 20:54:26 +0000 (13:54 -0700)
committerVinod Koul <vkoul@kernel.org>
Wed, 24 Jun 2020 07:25:09 +0000 (12:55 +0530)
commit0705107fcc80711680b169abc2011686dded6c21
tree642cf4f356f2fb743092f2834a72d7ca878af99f
parent77522b2191368ea57720e960fc3c7e6fbfc04533
dmaengine: idxd: move submission to sbitmap_queue

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>
drivers/dma/Kconfig
drivers/dma/idxd/device.c
drivers/dma/idxd/idxd.h
drivers/dma/idxd/init.c
drivers/dma/idxd/submit.c