linux-kernel - [PATCH v8 21/21] x86,fs/resctrl: Move resctrl.rst to live under Documentation/filesystems

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Message-Id: <20250411164229.23413-22-james.morse@arm.com>
Date: Fri, 11 Apr 2025 16:42:29 +0000
From: James Morse <james.morse@....com>
To: x86@...nel.org,
	linux-kernel@...r.kernel.org
Cc: Reinette Chatre <reinette.chatre@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	H Peter Anvin <hpa@...or.com>,
	Babu Moger <Babu.Moger@....com>,
	James Morse <james.morse@....com>,
	shameerali.kolothum.thodi@...wei.com,
	D Scott Phillips OS <scott@...amperecomputing.com>,
	carl@...amperecomputing.com,
	lcherian@...vell.com,
	bobo.shaobowang@...wei.com,
	tan.shaopeng@...itsu.com,
	baolin.wang@...ux.alibaba.com,
	Jamie Iles <quic_jiles@...cinc.com>,
	Xin Hao <xhao@...ux.alibaba.com>,
	peternewman@...gle.com,
	dfustini@...libre.com,
	amitsinght@...vell.com,
	David Hildenbrand <david@...hat.com>,
	Rex Nie <rex.nie@...uarmicro.com>,
	Dave Martin <dave.martin@....com>,
	Koba Ko <kobak@...dia.com>,
	Shanker Donthineni <sdonthineni@...dia.com>,
	fenghuay@...dia.com,
	Shaopeng Tan <tan.shaopeng@...fujitsu.com>,
	Babu Moger <babu.moger@....com>
Subject: [PATCH v8 21/21] x86,fs/resctrl: Move resctrl.rst to live under Documentation/filesystems

The filesystem code has moved from arch/x86 to fs. Move the documentation
too.

Signed-off-by: James Morse <james.morse@....com>
Tested-by: Peter Newman <peternewman@...gle.com>
Tested-by: Shaopeng Tan <tan.shaopeng@...fujitsu.com>
Tested-by: Amit Singh Tomar <amitsinght@...vell.com> # arm64
Tested-by: Shanker Donthineni <sdonthineni@...dia.com> # arm64
Tested-by: Babu Moger <babu.moger@....com>
Reviewed-by: Fenghua Yu <fenghuay@...dia.com>
---
 Documentation/arch/x86/index.rst                    | 1 -
 Documentation/filesystems/index.rst                 | 1 +
 Documentation/{arch/x86 => filesystems}/resctrl.rst | 0
 MAINTAINERS                                         | 2 +-
 arch/x86/kernel/cpu/resctrl/monitor.c               | 2 +-
 fs/resctrl/Kconfig                                  | 2 +-
 6 files changed, 4 insertions(+), 4 deletions(-)
 rename Documentation/{arch/x86 => filesystems}/resctrl.rst (100%)

diff --git a/Documentation/arch/x86/index.rst b/Documentation/arch/x86/index.rst
index 8ac64d7de4dc..00f9a99689fb 100644
--- a/Documentation/arch/x86/index.rst
+++ b/Documentation/arch/x86/index.rst
@@ -31,7 +31,6 @@ x86-specific Documentation
    pti
    mds
    microcode
-   resctrl
    tsx_async_abort
    buslock
    usb-legacy-support
diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index a9cf8e950b15..32618512a965 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -113,6 +113,7 @@ Documentation for filesystem implementations.
    qnx6
    ramfs-rootfs-initramfs
    relay
+   resctrl
    romfs
    smb/index
    spufs/index
diff --git a/Documentation/arch/x86/resctrl.rst b/Documentation/filesystems/resctrl.rst
similarity index 100%
rename from Documentation/arch/x86/resctrl.rst
rename to Documentation/filesystems/resctrl.rst
diff --git a/MAINTAINERS b/MAINTAINERS
index c30c6fbd1f7a..f7a829898344 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -20281,7 +20281,7 @@ M:	Tony Luck <tony.luck@...el.com>
 M:	Reinette Chatre <reinette.chatre@...el.com>
 L:	linux-kernel@...r.kernel.org
 S:	Supported
-F:	Documentation/arch/x86/resctrl*
+F:	Documentation/filesystems/resctrl.rst
 F:	arch/x86/include/asm/resctrl.h
 F:	arch/x86/kernel/cpu/resctrl/
 F:	fs/resctrl/
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index 182f0514cc88..41af0ed18259 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -40,7 +40,7 @@ unsigned int rdt_mon_features;
 static int snc_nodes_per_l3_cache = 1;
 
 /*
- * The correction factor table is documented in Documentation/arch/x86/resctrl.rst.
+ * The correction factor table is documented in Documentation/filesystems/resctrl.rst.
  * If rmid > rmid threshold, MBM total and local values should be multiplied
  * by the correction factor.
  *
diff --git a/fs/resctrl/Kconfig b/fs/resctrl/Kconfig
index 478a8e2ad99f..21671301bd8a 100644
--- a/fs/resctrl/Kconfig
+++ b/fs/resctrl/Kconfig
@@ -21,7 +21,7 @@ config RESCTRL_FS
 	  On architectures where this can be disabled independently, it is
 	  safe to say N.
 
-	  See <file:Documentation/arch/x86/resctrl.rst> for more information.
+	  See <file:Documentation/filesystems/resctrl.rst> for more information.
 
 config RESCTRL_FS_PSEUDO_LOCK
 	bool
-- 
2.20.1