aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/core/restrack.c
diff options
context:
space:
mode:
authorMaxime Ripard <mripard@kernel.org>2019-10-03 16:38:50 +0200
committerMaxime Ripard <mripard@kernel.org>2019-10-03 16:38:50 +0200
commit4092de1ba34eb376791809fb366bc15f8a9e0b7c (patch)
tree6262d4dfcfa7ff9eda8e8d1d0a711711fcae8785 /drivers/infiniband/core/restrack.c
parentRevert "drm/sun4i: dsi: Change the start delay calculation" (diff)
parentLinux 5.4-rc1 (diff)
downloadlinux-dev-4092de1ba34eb376791809fb366bc15f8a9e0b7c.tar.xz
linux-dev-4092de1ba34eb376791809fb366bc15f8a9e0b7c.zip
Merge drm/drm-next into drm-misc-next
We haven't done any backmerge for a while due to the merge window, and it starts to become an issue for komeda. Let's bring 5.4-rc1 in. Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/infiniband/core/restrack.c')
-rw-r--r--drivers/infiniband/core/restrack.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index bddff426ee0f..a07665f7ef8c 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -107,10 +107,8 @@ void rdma_restrack_clean(struct ib_device *dev)
* rdma_restrack_count() - the current usage of specific object
* @dev: IB device
* @type: actual type of object to operate
- * @ns: PID namespace
*/
-int rdma_restrack_count(struct ib_device *dev, enum rdma_restrack_type type,
- struct pid_namespace *ns)
+int rdma_restrack_count(struct ib_device *dev, enum rdma_restrack_type type)
{
struct rdma_restrack_root *rt = &dev->res[type];
struct rdma_restrack_entry *e;
@@ -119,10 +117,9 @@ int rdma_restrack_count(struct ib_device *dev, enum rdma_restrack_type type,
xa_lock(&rt->xa);
xas_for_each(&xas, e, U32_MAX) {
- if (ns == &init_pid_ns ||
- (!rdma_is_kernel_res(e) &&
- ns == task_active_pid_ns(e->task)))
- cnt++;
+ if (!rdma_is_visible_in_pid_ns(e))
+ continue;
+ cnt++;
}
xa_unlock(&rt->xa);
return cnt;
@@ -360,5 +357,7 @@ bool rdma_is_visible_in_pid_ns(struct rdma_restrack_entry *res)
*/
if (rdma_is_kernel_res(res))
return task_active_pid_ns(current) == &init_pid_ns;
- return task_active_pid_ns(current) == task_active_pid_ns(res->task);
+
+ /* PID 0 means that resource is not found in current namespace */
+ return task_pid_vnr(res->task);
}