linux-kernel - [char-misc-next 0/4] mei: enhance mei pxp recoverability

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Message-ID: <20231011110157.247552-1-tomas.winkler@intel.com>
Date:   Wed, 11 Oct 2023 14:01:53 +0300
From:   Tomas Winkler <tomas.winkler@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Alexander Usyskin <alexander.usyskin@...el.com>,
        Vitaly Lubart <vitaly.lubart@...el.com>,
        linux-kernel@...r.kernel.org,
        Tomas Winkler <tomas.winkler@...el.com>
Subject: [char-misc-next 0/4] mei: enhance mei pxp recoverability

- Add timeouts to send/receive API on mei bus to avoid
  infinite waits and consequent deadlock.
- Re-enable the mei pxp client upon loss.
- Retry receive operation in case of memory pressure related failure.

Alan Previn (1):
  mei: update mei-pxp's component interface with timeouts

Alexander Usyskin (3):
  mei: bus: add send and recv api with timeout
  mei: pxp: recover from recv fail under memory pressure
  mei: pxp: re-enable client on errors

 drivers/gpu/drm/i915/pxp/intel_pxp_tee.c |  8 ++-
 drivers/misc/mei/bus.c                   | 88 +++++++++++++++++++++++-
 drivers/misc/mei/pxp/mei_pxp.c           | 88 +++++++++++++++++++++---
 include/drm/i915_pxp_tee_interface.h     |  6 +-
 include/linux/mei_cl_bus.h               |  8 +++
 5 files changed, 183 insertions(+), 15 deletions(-)

-- 
2.41.0