Re: [Intel-gfx] [CI 1/2] drm/i915/selftests: Verify context isolation

2020-04-25 Thread Abodunrin, Akeem G
> -Original Message- > From: Intel-gfx On Behalf Of Chris > Wilson > Sent: Friday, April 24, 2020 1:33 AM > To: intel-gfx@lists.freedesktop.org > Subject: [Intel-gfx] [CI 1/2] drm/i915/selftests: Verify context isolation > > No unprivileged context should e

[Intel-gfx] [CI 1/2] drm/i915/selftests: Verify context isolation

2020-04-24 Thread Chris Wilson
No unprivileged context should ever be allowed to modify logical state that is visible to another; there should be no backchannels available or control leakage for malicious actors. This test tries to write to a set of random registers using non-privileged instructions (ala userspace). It should o