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From:   Sourabh Jain <sourabhjain@linux.ibm.com>
To:     mpe@ellerman.id.au
Cc:     mahesh@linux.vnet.ibm.com, hbathini@linux.ibm.com,
        linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
        corbet@lwn.net, linux-doc@vger.kernel.org,
        Sourabh Jain <sourabhjain@linux.ibm.com>
Subject: [PATCH v2 0/4] reorganize and add FADump sysfs files
Date:   Fri, 18 Oct 2019 18:35:53 +0530
Message-Id: <20191018130557.2217-1-sourabhjain@linux.ibm.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Currently, FADump sysfs files are present inside /sys/kernel directory.
But as the number of FADump sysfs file increases it is not a good idea to
push all of them in /sys/kernel directory. It is better to have separate
directory to keep all the FADump sysfs files.

The patch series reorganizes the FADump sysfs files and avail all the
existing FADump sysfs files present inside /sys/kernel into a new
directory /sys/kernel/fadump. Currently, all the FADump sysfs files
are replicated into a new directory to maintain the backward compatibility
and will eventually get removed in future. In addition to this a new FADump
sys interface is added to get the amount of memory reserved by FADump for
saving the crash dump.

Changelog v1->v2:
 - Move fadump_release_opalcore sysfs to FADump Kobject instead of
   replicating.
 - Changed the patch order 1,2,3,4 -> 2,1,3,4 (First add the ABI doc for
   exisiting sysfs file then replicate them under FADump kobject).

Sourabh Jain (4):
  Documentation/ABI: add ABI documentation for /sys/kernel/fadump_*
  powerpc/fadump: reorganize /sys/kernel/fadump_* sysfs files
  Documentation/ABI: mark /sys/kernel/fadump_* sysfs files deprecated
  powerpc/fadump: sysfs for fadump memory reservation

 .../ABI/obsolete/sysfs-kernel-fadump_enabled  | 10 ++++
 .../obsolete/sysfs-kernel-fadump_registered   | 11 +++++
 .../obsolete/sysfs-kernel-fadump_release_mem  | 11 +++++
 .../sysfs-kernel-fadump_release_opalcore      |  9 ++++
 Documentation/ABI/testing/sysfs-kernel-fadump | 48 +++++++++++++++++++
 .../powerpc/firmware-assisted-dump.rst        | 20 +++++++-
 arch/powerpc/kernel/fadump.c                  | 42 ++++++++++++++++
 arch/powerpc/platforms/powernv/opal-core.c    |  6 ++-
 8 files changed, 154 insertions(+), 3 deletions(-)
 create mode 100644 Documentation/ABI/obsolete/sysfs-kernel-fadump_enabled
 create mode 100644 Documentation/ABI/obsolete/sysfs-kernel-fadump_registered
 create mode 100644 Documentation/ABI/obsolete/sysfs-kernel-fadump_release_mem
 create mode 100644 Documentation/ABI/removed/sysfs-kernel-fadump_release_opalcore
 create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump

-- 
2.17.2