On Tue, Sep 15, 2020 at 09:54:39AM -0600, Jordan Crouse wrote: > On Tue, Sep 15, 2020 at 04:13:27PM +0200, Greg Kroah-Hartman wrote: > > From: Jordan Crouse <[email protected]> > > > > commit 34221545d2069dc947131f42392fd4cebabe1b39 upstream. > > > > The main a5xx preemption record can be marked as privileged to > > protect it from user access but the counters storage needs to be > > remain unprivileged. Split the buffers and mark the critical memory > > as privileged. > > > > Cc: [email protected] > > Signed-off-by: Jordan Crouse <[email protected]> > > Signed-off-by: Rob Clark <[email protected]> > > Signed-off-by: Greg Kroah-Hartman <[email protected]> > > Hi. The MSM_BO_MAP_PRIV feature was added after 5.4. > > Since we are pulling in 7b3f3948c8b7 ("drm/msm: Disable preemption on all > 5xx targets)" preemption will be disabled in the 5.4 stable tree which is > enough > to cover the security concern that this patch helped address. > > This patch can be dropped.
Now dropped,t hanks! greg k-h
