Re: RFC on fixing mutex spinning on owner

From: Greg Kroah-Hartman
Date: Wed Mar 16 2016 - 19:35:40 EST

On Wed, Mar 16, 2016 at 04:22:17PM -0700, Joel Fernandes wrote:
> Hi,
> On a fairly recent kernel and android userspace, I am seeing that with
> i915 driver is in a spin loop waiting for mutex owner to release it
> (mutex_spin_on_owner).

Why not provide a backtrace to the drm and i915 developers so that they
can work on this? The mailing lists you sent this to can't do much
about this, sorry...


greg k-h