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From: Max Kellermann <max.kellermann@ionos.com>
To: linux-kernel@vger.kernel.org
Cc: Max Kellermann <max.kellermann@ionos.com>
Subject: [PATCH v1 7/8] linux/kernel.h: move VERIFY_OCTAL_PERMISSIONS() to octal_permissions.h
Date: Thu, 15 Feb 2024 10:36:45 +0100
Message-Id: <20240215093646.3265823-8-max.kellermann@ionos.com>
In-Reply-To: <20240215093646.3265823-1-max.kellermann@ionos.com>
References: <20240215093646.3265823-1-max.kellermann@ionos.com>
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Reducing dependencies on the header linux/kernel.h.

Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
---
 arch/arc/kernel/perf_event.c             |  1 +
 drivers/edac/thunderx_edac.c             |  1 +
 drivers/hwmon/occ/common.c               |  1 +
 drivers/media/platform/amphion/vpu_dbg.c |  1 +
 drivers/soc/aspeed/aspeed-uart-routing.c |  1 +
 fs/xfs/xfs_error.c                       |  1 +
 include/linux/kernel.h                   | 13 -------------
 include/linux/moduleparam.h              |  2 +-
 include/linux/octal_permissions.h        | 20 ++++++++++++++++++++
 include/linux/sysfs.h                    |  1 +
 10 files changed, 28 insertions(+), 14 deletions(-)
 create mode 100644 include/linux/octal_permissions.h

diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c
index adff957962da..48bc5c25842e 100644
--- a/arch/arc/kernel/perf_event.c
+++ b/arch/arc/kernel/perf_event.c
@@ -8,6 +8,7 @@
 #include <linux/errno.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/octal_permissions.h>
 #include <linux/of.h>
 #include <linux/perf_event.h>
 #include <linux/platform_device.h>
diff --git a/drivers/edac/thunderx_edac.c b/drivers/edac/thunderx_edac.c
index 90d46e5c4ff0..603f71fcdf44 100644
--- a/drivers/edac/thunderx_edac.c
+++ b/drivers/edac/thunderx_edac.c
@@ -20,6 +20,7 @@
 #include <linux/atomic.h>
 #include <linux/bitfield.h>
 #include <linux/circ_buf.h>
+#include <linux/octal_permissions.h>
 
 #include <asm/page.h>
 
diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
index dd690f700d49..fc328aa417b2 100644
--- a/drivers/hwmon/occ/common.c
+++ b/drivers/hwmon/occ/common.c
@@ -10,6 +10,7 @@
 #include <linux/math64.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/octal_permissions.h>
 #include <linux/property.h>
 #include <linux/sysfs.h>
 #include <asm/unaligned.h>
diff --git a/drivers/media/platform/amphion/vpu_dbg.c b/drivers/media/platform/amphion/vpu_dbg.c
index 940e5bda5fa3..0f64dce90f9d 100644
--- a/drivers/media/platform/amphion/vpu_dbg.c
+++ b/drivers/media/platform/amphion/vpu_dbg.c
@@ -9,6 +9,7 @@
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/octal_permissions.h>
 #include <linux/types.h>
 #include <linux/pm_runtime.h>
 #include <media/v4l2-device.h>
diff --git a/drivers/soc/aspeed/aspeed-uart-routing.c b/drivers/soc/aspeed/aspeed-uart-routing.c
index a2195f062e01..6b091df7775a 100644
--- a/drivers/soc/aspeed/aspeed-uart-routing.c
+++ b/drivers/soc/aspeed/aspeed-uart-routing.c
@@ -5,6 +5,7 @@
  */
 #include <linux/device.h>
 #include <linux/module.h>
+#include <linux/octal_permissions.h>
 #include <linux/of.h>
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 7ad0e92c6b5b..90075bd7dbe3 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -14,6 +14,7 @@
 #include "xfs_error.h"
 #include "xfs_sysfs.h"
 #include "xfs_inode.h"
+#include <linux/octal_permissions.h>
 
 #ifdef DEBUG
 
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 55af40e63b92..01a0cc0a0776 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -29,7 +29,6 @@
 #include <linux/typecheck.h>
 #include <linux/panic.h>
 #include <linux/printk.h>
-#include <linux/build_bug.h>
 #include <linux/sprintf.h>
 #include <linux/static_call_types.h>
 #include <linux/instruction_pointer.h>
@@ -285,16 +284,4 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
 # define REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD
 #endif
 
-/* Permissions on a sysfs file: you didn't miss the 0 prefix did you? */
-#define VERIFY_OCTAL_PERMISSIONS(perms)						\
-	(BUILD_BUG_ON_ZERO((perms) < 0) +					\
-	 BUILD_BUG_ON_ZERO((perms) > 0777) +					\
-	 /* USER_READABLE >= GROUP_READABLE >= OTHER_READABLE */		\
-	 BUILD_BUG_ON_ZERO((((perms) >> 6) & 4) < (((perms) >> 3) & 4)) +	\
-	 BUILD_BUG_ON_ZERO((((perms) >> 3) & 4) < ((perms) & 4)) +		\
-	 /* USER_WRITABLE >= GROUP_WRITABLE */					\
-	 BUILD_BUG_ON_ZERO((((perms) >> 6) & 2) < (((perms) >> 3) & 2)) +	\
-	 /* OTHER_WRITABLE?  Generally considered a bad idea. */		\
-	 BUILD_BUG_ON_ZERO((perms) & 2) +					\
-	 (perms))
 #endif
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index bfb85fd13e1f..860b0ea1f3b3 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -4,7 +4,7 @@
 /* (C) Copyright 2001, 2002 Rusty Russell IBM Corporation */
 #include <linux/init.h>
 #include <linux/stringify.h>
-#include <linux/kernel.h>
+#include <linux/octal_permissions.h>
 
 /* You can override this manually, but generally this should match the
    module name. */
diff --git a/include/linux/octal_permissions.h b/include/linux/octal_permissions.h
new file mode 100644
index 000000000000..57d4d6a5b66d
--- /dev/null
+++ b/include/linux/octal_permissions.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_OCTAL_PERMISSIONS_H
+#define _LINUX_OCTAL_PERMISSIONS_H
+
+#include <linux/build_bug.h>
+
+/* Permissions on a sysfs file: you didn't miss the 0 prefix did you? */
+#define VERIFY_OCTAL_PERMISSIONS(perms)						\
+	(BUILD_BUG_ON_ZERO((perms) < 0) +					\
+	 BUILD_BUG_ON_ZERO((perms) > 0777) +					\
+	 /* USER_READABLE >= GROUP_READABLE >= OTHER_READABLE */		\
+	 BUILD_BUG_ON_ZERO((((perms) >> 6) & 4) < (((perms) >> 3) & 4)) +	\
+	 BUILD_BUG_ON_ZERO((((perms) >> 3) & 4) < ((perms) & 4)) +		\
+	 /* USER_WRITABLE >= GROUP_WRITABLE */					\
+	 BUILD_BUG_ON_ZERO((((perms) >> 6) & 2) < (((perms) >> 3) & 2)) +	\
+	 /* OTHER_WRITABLE?  Generally considered a bad idea. */		\
+	 BUILD_BUG_ON_ZERO((perms) & 2) +					\
+	 (perms))
+
+#endif
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index b717a70219f6..d584184db8c2 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -21,6 +21,7 @@
 #include <linux/kobject_ns.h>
 #include <linux/stat.h>
 #include <linux/atomic.h>
+#include <linux/octal_permissions.h>
 
 struct kobject;
 struct module;
-- 
2.39.2