On Thu, 2024-05-30 at 13:33 -0700, Matthew Brost wrote:

Kernel VM do not have an Xe file. Include a check for Xe file in the VM before trying to get pid from VM's Xe file when taking a devcoredump.

Reviewed-by: José Roberto de Souza jose.souza@intel.com

Fixes: b10d0c5e9df7 ("drm/xe: Add process name to devcoredump") Cc: Rodrigo Vivi rodrigo.vivi@intel.com Cc: José Roberto de Souza jose.souza@intel.com Cc: stable@vger.kernel.org Signed-off-by: Matthew Brost matthew.brost@intel.com

---

drivers/gpu/drm/xe/xe_devcoredump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_devcoredump.c b/drivers/gpu/drm/xe/xe_devcoredump.c index 1643d44f8bc4..6f63b8e4e3b9 100644 --- a/drivers/gpu/drm/xe/xe_devcoredump.c +++ b/drivers/gpu/drm/xe/xe_devcoredump.c @@ -176,7 +176,7 @@ static void devcoredump_snapshot(struct xe_devcoredump *coredump, ss->snapshot_time = ktime_get_real(); ss->boot_time = ktime_get_boottime();

• if (q->vm) {

• if (q->vm && q->vm->xef) { task = get_pid_task(q->vm->xef->drm->pid, PIDTYPE_PID); if (task) process_name = task->comm;