** Changed in: linux-azure (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1762554
Title:
[Hyper-V] IB/mlx5: Respect new UMR capabilities
Status in linux-azure package in Ubuntu:
Confirmed
Status in linux-azure source package in Bionic:
Fix Committed
Bug description:
In some firmware configuration, UMR usage from Virtual Functions is
restricted.
This information is published to the driver using new capability bits.
Avoid using UMRs in these cases and use the Firmware slow-path flow to create
mkeys and populate them with Virtual to Physical address translation.
Older drivers that do not have this patch, will end up using memory keys that
aren't populated with Virtual to Physical address translation that is done
part of the UMR work.
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-
next.git/commit/?h=next-20180409&id=c8d75a980fab886a9c716567e6b47cc414ad84ee
and pull this patch as well
IB/mlx5: Enable ECN capable bits for UD RoCE v2 QPs
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/infiniband/hw/mlx5?id=ea8af0d2f2b5b16da4553205ddaf225e0a057e03
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