Re: [PATCH v5 06/14] drm/dp_mst: Protect drm_dp_mst_port members with locking

2019-10-22 Thread Sean Paul
On Mon, Oct 21, 2019 at 10:36:01PM -0400, Lyude Paul wrote: > This is a complicated one. Essentially, there's currently a problem in the MST > core that hasn't really caused any issues that we're aware of (emphasis on > "that > we're aware of"): locking. > > When we go through and probe the link

[PATCH v5 06/14] drm/dp_mst: Protect drm_dp_mst_port members with locking

2019-10-21 Thread Lyude Paul
This is a complicated one. Essentially, there's currently a problem in the MST core that hasn't really caused any issues that we're aware of (emphasis on "that we're aware of"): locking. When we go through and probe the link addresses and path resources in a topology, we hold no locks when updatin