On 6/25/2015 8:09 PM, Jason Gunthorpe wrote:
On Thu, Jun 25, 2015 at 04:51:49PM +0300, Yishai Hadas wrote:
On 6/24/2015 9:25 PM, Jason Gunthorpe wrote:
Is not holding the RCU lock while ib_uverbs_release_dev is reading
ib_dev. The barriers in kref are not strong enough to guarentee the RCU
On 6/24/2015 9:25 PM, Jason Gunthorpe wrote:
On Mon, Jun 22, 2015 at 05:47:16PM +0300, Yishai Hadas wrote:
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -137,7 +137,12 @@ static void ib_uverbs_release_dev(struct kref *ref)
struct ib_uverbs_device *dev =
On Thu, Jun 25, 2015 at 04:51:49PM +0300, Yishai Hadas wrote:
On 6/24/2015 9:25 PM, Jason Gunthorpe wrote:
Is not holding the RCU lock while ib_uverbs_release_dev is reading
ib_dev. The barriers in kref are not strong enough to guarentee the RCU
protected data will be visible. (remember when I
On Mon, Jun 22, 2015 at 05:47:16PM +0300, Yishai Hadas wrote:
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -137,7 +137,12 @@ static void ib_uverbs_release_dev(struct kref *ref)
struct ib_uverbs_device *dev =
container_of(ref, struct ib_uverbs_device, ref);
-
