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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-28 12:27:35 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-28 12:27:35 +0200 |
| commit | b24d0d5b12a678b96676348976982686fbe222b4 (patch) | |
| tree | 565ce37d2d971cb94436241bc2ac48028b6b66d0 /drivers/infiniband/sw/rdmavt/mr.c | |
| parent | eeprom: at24: use SPDX identifier instead of GPL boiler-plate (diff) | |
| parent | Linux 4.16-rc7 (diff) | |
| download | linux-b24d0d5b12a678b96676348976982686fbe222b4.tar.xz linux-b24d0d5b12a678b96676348976982686fbe222b4.zip | |
Merge 4.16-rc7 into char-misc-next
We want the hyperv fix in here for merging and testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband/sw/rdmavt/mr.c')
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/mr.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c index 1b2e5362a3ff..cc429b567d0a 100644 --- a/drivers/infiniband/sw/rdmavt/mr.c +++ b/drivers/infiniband/sw/rdmavt/mr.c @@ -489,11 +489,13 @@ static int rvt_check_refs(struct rvt_mregion *mr, const char *t) unsigned long timeout; struct rvt_dev_info *rdi = ib_to_rvt(mr->pd->device); - if (percpu_ref_is_zero(&mr->refcount)) - return 0; - /* avoid dma mr */ - if (mr->lkey) + if (mr->lkey) { + /* avoid dma mr */ rvt_dereg_clean_qps(mr); + /* @mr was indexed on rcu protected @lkey_table */ + synchronize_rcu(); + } + timeout = wait_for_completion_timeout(&mr->comp, 5 * HZ); if (!timeout) { rvt_pr_err(rdi, |