Re: [Intel-gfx] [PATCH v5 4/6] drm/i915/pxp: Invalidate all PXP fw sessions during teardown

2023-01-19 Thread Teres Alexis, Alan Previn
Thanks Rodrigo for the ack. On Thu, 2023-01-19 at 14:28 -0500, Vivi, Rodrigo wrote: > On Thu, Jan 12, 2023 at 05:18:48PM -0800, Alan Previn wrote: > > A gap was recently discovered where if an application did not > > invalidate all of the stream keys (intentionally or not), and the > > driver did

Re: [Intel-gfx] [PATCH v5 4/6] drm/i915/pxp: Invalidate all PXP fw sessions during teardown

2023-01-19 Thread Rodrigo Vivi
On Thu, Jan 12, 2023 at 05:18:48PM -0800, Alan Previn wrote: > A gap was recently discovered where if an application did not > invalidate all of the stream keys (intentionally or not), and the > driver did a full PXP global teardown on the GT subsystem, we > find that future session creation would

[PATCH v5 4/6] drm/i915/pxp: Invalidate all PXP fw sessions during teardown

2023-01-12 Thread Alan Previn
A gap was recently discovered where if an application did not invalidate all of the stream keys (intentionally or not), and the driver did a full PXP global teardown on the GT subsystem, we find that future session creation would fail on the security firmware's side of the equation. i915 is the