Commit 87e919d7 authored Jul 04, 2017 by Ping Gao Committed by Zhenyu Wang Aug 10, 2017

drm/i915/gvt: To check whether workload scan and shadow has mutex hold



The function workload scan and shadow have to hold the drm.struct_mutex
before called. To avoid misusing of this function, add a lockdep assert
in it.

Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

parent d0302e74

drivers/gpu/drm/i915/gvt/scheduler.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -201,6 +201,8 @@ int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload)
		struct intel_vgpu *vgpu = workload->vgpu;
		int ret;

		lockdep_assert_held(&dev_priv->drm.struct_mutex);

		if (workload->shadowed)
		return 0;