Draft: RDMA/efa: Add shutdown notifier
RDMA/efa: Add shutdown notifier
JIRA: https://issues.redhat.com/browse/RHEL-15968
commit f847e840157b91a490a13df78c4a6d4e5700ba0a Author: Michael Margolin mrgolin@amazon.com Date: Thu, 25 Apr 2024 17:18:14 +0000
RDMA/efa: Add shutdown notifier
Add driver function to stop the device and release any active IRQs as
preparation for shutdown. This should fix issues caused by unexpected AQ
interrupts when booting kernel using kexec and possible data integrity
issues when the system is being shutdown during traffic.
Link: https://lore.kernel.org/r/20240425171814.25216-1-mrgolin@amazon.com
Reviewed-by: Firas Jahjah <firasj@amazon.com>
Reviewed-by: Yonatan Nachum <ynachum@amazon.com>
Signed-off-by: Michael Margolin <mrgolin@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Tao Liu ltao@redhat.com
Edited by Tao Liu