diff options
| author |   Leon Romanovsky <leonro@mellanox.com> | 2017-05-23 11:29:42 +0300 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-07-17 21:21:22 -0400 |
| commit | 98e77d9fd7dff05019436370e78c3ec0f9894e25 (patch) | |
| tree | f7c8843608a3390d9e116a648b395c5067158b02 /drivers/infiniband/hw/mlx4/mcg.c | |
| parent | IB/uverbs: Make use of ib_modify_qp variant to avoid resolving DMAC (diff) | |
| download | linux-dev-98e77d9fd7dff05019436370e78c3ec0f9894e25.tar.xz linux-dev-98e77d9fd7dff05019436370e78c3ec0f9894e25.zip | |
IB: Convert msleep below 20ms to usleep_range
The msleep(1) may do not sleep 1 ms as expected
and will sleep longer. The simple conversion from
msleep to usleep_range between 1ms and 2ms can solve an
issue.
The full and comprehensive explanation can be found at [1] and [2].
[1] https://lkml.org/lkml/2007/8/3/250
[2] Documentation/timers/timers-howto.txt
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mcg.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mcg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c index 3405e947dc1e..b73f89700ef9 100644 --- a/drivers/infiniband/hw/mlx4/mcg.c +++ b/drivers/infiniband/hw/mlx4/mcg.c @@ -1091,7 +1091,7 @@ static void _mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy if (!count) break; - msleep(1); + usleep_range(1000, 2000); } while (time_after(end, jiffies)); flush_workqueue(ctx->mcg_wq); |