linux-kernel - [PATCH v4 5/6] Documentation/ABI: mark /sys/kernel/fadump

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Message-Id: <20191206122434.29587-6-sourabhjain@linux.ibm.com>
Date:   Fri,  6 Dec 2019 17:54:33 +0530
From:   Sourabh Jain <sourabhjain@...ux.ibm.com>
To:     mpe@...erman.id.au
Cc:     mahesh@...ux.vnet.ibm.com, hbathini@...ux.ibm.com,
        linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
        corbet@....net, linux-doc@...r.kernel.org,
        gregkh@...uxfoundation.org,
        Sourabh Jain <sourabhjain@...ux.ibm.com>
Subject: [PATCH v4 5/6] Documentation/ABI: mark /sys/kernel/fadump_* sysfs files deprecated

Add a deprecation note in FADump sysfs ABI documentation files and move
them from ABI/testing to ABI/obsolete directory.

Signed-off-by: Sourabh Jain <sourabhjain@...ux.ibm.com>
---
 .../ABI/{testing => obsolete}/sysfs-kernel-fadump_enabled | 2 ++
 .../{testing => obsolete}/sysfs-kernel-fadump_registered  | 2 ++
 .../{testing => obsolete}/sysfs-kernel-fadump_release_mem | 2 ++
 Documentation/powerpc/firmware-assisted-dump.rst          | 8 ++++++++
 4 files changed, 14 insertions(+)
 rename Documentation/ABI/{testing => obsolete}/sysfs-kernel-fadump_enabled (73%)
 rename Documentation/ABI/{testing => obsolete}/sysfs-kernel-fadump_registered (77%)
 rename Documentation/ABI/{testing => obsolete}/sysfs-kernel-fadump_release_mem (78%)

diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump_enabled b/Documentation/ABI/obsolete/sysfs-kernel-fadump_enabled
similarity index 73%
rename from Documentation/ABI/testing/sysfs-kernel-fadump_enabled
rename to Documentation/ABI/obsolete/sysfs-kernel-fadump_enabled
index f73632b1c006..e9c2de8b3688 100644
--- a/Documentation/ABI/testing/sysfs-kernel-fadump_enabled
+++ b/Documentation/ABI/obsolete/sysfs-kernel-fadump_enabled
@@ -1,3 +1,5 @@
+This ABI is renamed and moved to a new location /sys/kernel/fadump/enabled.
+
 What:		/sys/kernel/fadump_enabled
 Date:		Feb 2012
 Contact:	linuxppc-dev@...ts.ozlabs.org
diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump_registered b/Documentation/ABI/obsolete/sysfs-kernel-fadump_registered
similarity index 77%
rename from Documentation/ABI/testing/sysfs-kernel-fadump_registered
rename to Documentation/ABI/obsolete/sysfs-kernel-fadump_registered
index dcf925e53f0f..0360be39c98e 100644
--- a/Documentation/ABI/testing/sysfs-kernel-fadump_registered
+++ b/Documentation/ABI/obsolete/sysfs-kernel-fadump_registered
@@ -1,3 +1,5 @@
+This ABI is renamed and moved to a new location /sys/kernel/fadump/registered.¬
+
 What:		/sys/kernel/fadump_registered
 Date:		Feb 2012
 Contact:	linuxppc-dev@...ts.ozlabs.org
diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump_release_mem b/Documentation/ABI/obsolete/sysfs-kernel-fadump_release_mem
similarity index 78%
rename from Documentation/ABI/testing/sysfs-kernel-fadump_release_mem
rename to Documentation/ABI/obsolete/sysfs-kernel-fadump_release_mem
index 9c20d64ab48d..6ce0b129ab12 100644
--- a/Documentation/ABI/testing/sysfs-kernel-fadump_release_mem
+++ b/Documentation/ABI/obsolete/sysfs-kernel-fadump_release_mem
@@ -1,3 +1,5 @@
+This ABI is renamed and moved to a new location /sys/kernel/fadump/release_mem.¬
+
 What:		/sys/kernel/fadump_release_mem
 Date:		Feb 2012
 Contact:	linuxppc-dev@...ts.ozlabs.org
diff --git a/Documentation/powerpc/firmware-assisted-dump.rst b/Documentation/powerpc/firmware-assisted-dump.rst
index 345a3405206e..365c10209ef3 100644
--- a/Documentation/powerpc/firmware-assisted-dump.rst
+++ b/Documentation/powerpc/firmware-assisted-dump.rst
@@ -295,6 +295,14 @@ Note: /sys/kernel/fadump_release_opalcore sysfs has moved to
 
     echo 1  > /sys/firmware/opal/mpipl/release_core
 
+Note: The following FADump sysfs files are deprecated.
+
+    Deprecated                           Alternative
+    --------------------------------------------------------------------
+    /sys/kernel/fadump_enabled           /sys/kernel/fadump/enabled
+    /sys/kernel/fadump_registered        /sys/kernel/fadump/registered
+    /sys/kernel/fadump_release_mem       /sys/kernel/fadump/release_mem
+
 Here is the list of files under powerpc debugfs:
 (Assuming debugfs is mounted on /sys/kernel/debug directory.)
 
-- 
2.17.2