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Date: Tue, 27 Oct 2020 14:49:23 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Håkon Bugge <haakon.bugge@...cle.com>, Jason Gunthorpe <jgg@...dia.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.4 053/112] IB/mlx4: Adjust delayed work when a dup is observed From: Håkon Bugge <haakon.bugge@...cle.com> [ 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: 3cf69cc8dbeb ("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@...cle.com> Signed-off-by: Jason Gunthorpe <jgg@...dia.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/infiniband/hw/mlx4/cm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index 5dc920fe13269..c8c586c78d071 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -309,6 +309,9 @@ 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); -- 2.25.1
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