-----Original Message----- From: Chris Wilson chris@chris-wilson.co.uk Sent: Sunday, January 10, 2021 7:04 AM To: intel-gfx@lists.freedesktop.org Cc: Chris Wilson chris@chris-wilson.co.uk; Joonas Lahtinen joonas.lahtinen@linux.intel.com; Bloomfield, Jon jon.bloomfield@intel.com; Vivi, Rodrigo rodrigo.vivi@intel.com; stable@vger.kernel.org Subject: [PATCH 03/11] drm/i915: Allow the sysadmin to override security mitigations
The clear-residuals mitigation is a relatively heavy hammer and under some circumstances the user may wish to forgo the context isolation in order to meet some performance requirement. Introduce a generic module parameter to allow selectively enabling/disabling different mitigations.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1858 Fixes: 47f8253d2b89 ("drm/i915/gen7: Clear all EU/L3 residual contexts") Signed-off-by: Chris Wilson chris@chris-wilson.co.uk Cc: Joonas Lahtinen joonas.lahtinen@linux.intel.com Cc: Jon Bloomfield jon.bloomfield@intel.com Cc: Rodrigo Vivi rodrigo.vivi@intel.com Cc: stable@vger.kernel.org # v5.7
Reviewed-by: Jon Bloomfield jon.bloomfield@intel.com?