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

- 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


             reply	other threads:[~2023-10-11 11:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-11 11:01 Tomas Winkler [this message]
2023-10-11 11:01 ` [char-misc-next 1/4] mei: bus: add send and recv api with timeout Tomas Winkler
2023-10-11 11:01 ` [char-misc-next 2/4] mei: pxp: recover from recv fail under memory pressure Tomas Winkler
2023-10-11 11:01 ` [char-misc-next 3/4] mei: pxp: re-enable client on errors Tomas Winkler
2023-11-14 14:00   ` Ville Syrjälä
2023-11-14 15:31     ` Teres Alexis, Alan Previn
2023-11-14 18:40       ` Winkler, Tomas
2023-11-15 20:35         ` Ville Syrjälä
2023-11-27 13:22           ` [Intel-gfx] " Ville Syrjälä
2023-11-27 13:31             ` gregkh
2023-11-15 13:31       ` Tvrtko Ursulin
2023-11-15 15:58         ` Teres Alexis, Alan Previn
2023-10-11 11:01 ` [char-misc-next 4/4] mei: update mei-pxp's component interface with timeouts Tomas Winkler

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