Am 21.09.20 um 21:18 schrieb Madhav Chauhan:
UID is helpful while doing analysis of BO allocated
by a process.

Looks like a bit overkill to me, why not get the uid from the process info?

Christian.


Signed-off-by: Madhav Chauhan <madhav.chau...@amd.com>
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 6 +++++-
  1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index f4c2e2e75b8f..c1982349ec7b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -892,6 +892,7 @@ static int amdgpu_debugfs_gem_info(struct seq_file *m, void 
*data)
        struct drm_info_node *node = (struct drm_info_node *)m->private;
        struct drm_device *dev = node->minor->dev;
        struct drm_file *file;
+       kuid_t uid;
        int r;
r = mutex_lock_interruptible(&dev->filelist_mutex);
@@ -909,7 +910,10 @@ static int amdgpu_debugfs_gem_info(struct seq_file *m, 
void *data)
                 */
                rcu_read_lock();
                task = pid_task(file->pid, PIDTYPE_PID);
-               seq_printf(m, "pid %8d command %s:\n", pid_nr(file->pid),
+               uid = task ? __task_cred(task)->euid : GLOBAL_ROOT_UID;
+               seq_printf(m, "pid %8d uid %5d command %s:\n",
+                          pid_nr(file->pid),
+                          from_kuid_munged(seq_user_ns(m), uid),
                           task ? task->comm : "<unknown>");
                rcu_read_unlock();

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