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From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
To: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Chen Yu <yu.c.chen@intel.com>,
	Len Brown <len.brown@intel.com>,
	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
	Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>,
	Zhang Rui <rui.zhang@intel.com>,
	Zhao Liu <zhao1.liu@intel.com>,
	linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 0/4] thermal: intel: hfi: Fix memory corruption on resume from hibernation
Date: Tue,  2 Jan 2024 20:14:55 -0800
Message-Id: <20240103041459.11113-1-ricardo.neri-calderon@linux.intel.com>
Precedence: bulk

Hi,

This is v2 of this series. You can read the overview and motivation in the
cover letter of v1 [1].

I smoke-retested this version on a Meteor Lake system. It completed 50
cycles of suspend-to-disk and resume. I completed longer testing for v1.

Changes since v1:
 * Added locking to hfi_pm_notify() to serialize RMW operations on the
   MSR_IA32_HW_FEEDBACK_CONFIG register. (Rafael)
 * Relocated a comment regarding the reallocation of HFI memory to
   patch 3/4. (Rafael)
 * Clarified that patch 1/4 does not introduce functional changes.
   (Rafael)
 * Indicated the first stable version on which this patchset should be
   backported.
 * Renamed hfi_do_pm_[enable|disable]() as hfi_do_[enable|disable]() for
   future reuse. (Stan)
 * Registered the HFI suspend notifier towards the end of
   intel_hfi_init(). (Stan)

Thanks and BR,
Ricardo

[1]. https://lore.kernel.org/all/20231227062940.10780-1-ricardo.neri-calderon@linux.intel.com/

Ricardo Neri (4):
  thermal: intel: hfi: Refactor enabling code into helper functions
  thermal: intel: hfi: Enable an HFI instance from its first online CPU
  thermal: intel: hfi: Disable an HFI instance when all its CPUs go
    offline
  thermal: intel: hfi: Add a suspend notifier

 drivers/thermal/intel/intel_hfi.c | 153 +++++++++++++++++++++++++-----
 1 file changed, 127 insertions(+), 26 deletions(-)

-- 
2.25.1