Commit 23679f7a authored Aug 03, 2020 by Håkon Bugge Committed by Greg Kroah-Hartman Oct 29, 2020

IB/mlx4: Adjust delayed work when a dup is observed

[ Upstream commit 785167a114855c5aa75efca97000e405c2cc85bf ]

When scheduling delayed work to clean up the cache, if the entry already
has been scheduled for deletion, we adjust the delay.

Fixes: 3cf69cc8 ("IB/mlx4: Add CM paravirtualization")
Link: https://lore.kernel.org/r/20200803061941.1139994-7-haakon.bugge@oracle.com


Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 878cb32a

drivers/infiniband/hw/mlx4/cm.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -307,6 +307,9 @@ static void schedule_delayed(struct ib_device ibdev, struct id_map_entry id)
		if (!sriov->is_going_down) {
		id->scheduled_delete = 1;
		schedule_delayed_work(&id->timeout, CM_CLEANUP_CACHE_TIMEOUT);
		} else if (id->scheduled_delete) {
		/* Adjust timeout if already scheduled */
		mod_delayed_work(system_wq, &id->timeout, CM_CLEANUP_CACHE_TIMEOUT);
		}
		spin_unlock_irqrestore(&sriov->going_down_lock, flags);
		spin_unlock(&sriov->id_map_lock);