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author | David S. Miller <davem@davemloft.net> | 2016-09-23 06:46:57 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2016-09-23 06:46:57 -0400 |
commit | d6989d4bbe6c4d1c2a76696833a07f044e85694d (patch) | |
tree | 2d9a70d0feee4d4a20568be1b39a961fa0d27d81 /drivers/infiniband/ulp/ipoib/ipoib_ib.c | |
parent | xen-netback: switch to threaded irq for control ring (diff) | |
parent | Merge tag 'media/v4.8-7' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media (diff) | |
download | linux-dev-d6989d4bbe6c4d1c2a76696833a07f044e85694d.tar.xz linux-dev-d6989d4bbe6c4d1c2a76696833a07f044e85694d.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_ib.c')
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_ib.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index dc6d241b9406..be11d5d5b8c1 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -1161,8 +1161,17 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, } if (level == IPOIB_FLUSH_LIGHT) { + int oper_up; ipoib_mark_paths_invalid(dev); + /* Set IPoIB operation as down to prevent races between: + * the flush flow which leaves MCG and on the fly joins + * which can happen during that time. mcast restart task + * should deal with join requests we missed. + */ + oper_up = test_and_clear_bit(IPOIB_FLAG_OPER_UP, &priv->flags); ipoib_mcast_dev_flush(dev); + if (oper_up) + set_bit(IPOIB_FLAG_OPER_UP, &priv->flags); ipoib_flush_ah(dev); } |