linux-kernel - [PATCH 4.14 134/222] IB/mlx5: Fix MR cache initialization

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Date:   Sun, 11 Nov 2018 14:23:51 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Artemy Kovalyov <artemyko@...lanox.com>,
        Majd Dibbiny <majd@...lanox.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        Jason Gunthorpe <jgg@...lanox.com>
Subject: [PATCH 4.14 134/222] IB/mlx5: Fix MR cache initialization

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Artemy Kovalyov <artemyko@...lanox.com>

commit 013c2403bf32e48119aeb13126929f81352cc7ac upstream.

Schedule MR cache work only after bucket was initialized.

Cc: <stable@...r.kernel.org> # 4.10
Fixes: 49780d42dfc9 ("IB/mlx5: Expose MR cache for mlx5_ib")
Signed-off-by: Artemy Kovalyov <artemyko@...lanox.com>
Reviewed-by: Majd Dibbiny <majd@...lanox.com>
Signed-off-by: Leon Romanovsky <leonro@...lanox.com>
Signed-off-by: Jason Gunthorpe <jgg@...lanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/infiniband/hw/mlx5/mr.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -675,7 +675,6 @@ int mlx5_mr_cache_init(struct mlx5_ib_de
 		init_completion(&ent->compl);
 		INIT_WORK(&ent->work, cache_work_func);
 		INIT_DELAYED_WORK(&ent->dwork, delayed_cache_work_func);
-		queue_work(cache->wq, &ent->work);
 
 		if (i > MR_CACHE_LAST_STD_ENTRY) {
 			mlx5_odp_init_mr_cache_entry(ent);
@@ -694,6 +693,7 @@ int mlx5_mr_cache_init(struct mlx5_ib_de
 			ent->limit = dev->mdev->profile->mr_cache[i].limit;
 		else
 			ent->limit = 0;
+		queue_work(cache->wq, &ent->work);
 	}
 
 	err = mlx5_mr_cache_debugfs_init(dev);