This is a note to let you know that I've just added the patch titled
dmaengine: idxd: fix delta_rec and crc size field for completion record
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
dmaengine-idxd-fix-delta_rec-and-crc-size-field-for-.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit d9208a6d3382abad64919eff1e3fca05b96ff2ad
Author: Dave Jiang <dave.jiang@xxxxxxxxx>
Date: Mon Mar 22 16:36:25 2021 -0700
dmaengine: idxd: fix delta_rec and crc size field for completion record
[ Upstream commit 4ac823e9cd85f66da274c951d21bf9f6b714b729 ]
The delta_rec_size and crc_val in the completion record should
be 32bits and not 16bits.
Fixes: bfe1d56091c1 ("dmaengine: idxd: Init and probe for Intel data accelerators")
Reported-by: Nikhil Rao <nikhil.rao@xxxxxxxxx>
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Link: https://lore.kernel.org/r/161645618572.2003490.14466173451736323035.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/include/uapi/linux/idxd.h b/include/uapi/linux/idxd.h
index 236d437947bc..e33997b4d750 100644
--- a/include/uapi/linux/idxd.h
+++ b/include/uapi/linux/idxd.h
@@ -247,8 +247,8 @@ struct dsa_completion_record {
uint32_t rsvd2:8;
};
- uint16_t delta_rec_size;
- uint16_t crc_val;
+ uint32_t delta_rec_size;
+ uint32_t crc_val;
/* DIF check & strip */
struct {
