diff options
| author | Wolfram Sang <wsa@the-dreams.de> | 2018-03-24 13:39:18 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2018-03-24 13:39:18 +0100 |
| commit | 0b884c22c5b7f6ef985b3d39fed06ad1f8296042 (patch) | |
| tree | 74504e80ad62cb0acabdfa796348d001d5d1a2a4 /drivers/infiniband/sw/rdmavt/mr.c | |
| parent | eb49778c8c6cbe075cf90d741ccf16f674a8db4e (diff) | |
| parent | 84e10623c0b9c81557918804f309d66aec86a233 (diff) | |
| download | linux-0b884c22c5b7f6ef985b3d39fed06ad1f8296042.tar.gz linux-0b884c22c5b7f6ef985b3d39fed06ad1f8296042.tar.xz | |
Merge tag 'at24-4.17-updates-for-wolfram' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-4.17
"three new special cases for device tree compatible strings"
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, |