linux-kernel - [PATCH 36/50] syscall_user_dispatch.h: split out *

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Message-ID: <20231216033300.3553457-4-kent.overstreet@linux.dev>
Date: Fri, 15 Dec 2023 22:32:42 -0500
From: Kent Overstreet <kent.overstreet@...ux.dev>
To: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org
Cc: Kent Overstreet <kent.overstreet@...ux.dev>,
	tglx@...utronix.de,
	x86@...nel.org,
	tj@...nel.org,
	peterz@...radead.org,
	mathieu.desnoyers@...icios.com,
	paulmck@...nel.org,
	keescook@...omium.org,
	dave.hansen@...ux.intel.com,
	mingo@...hat.com,
	will@...nel.org,
	longman@...hat.com,
	boqun.feng@...il.com,
	brauner@...nel.org
Subject: [PATCH 36/50] syscall_user_dispatch.h: split out *_types.h

thread_info.h pulls in a lot of junk that sched.h that we don't need; in
particular, this helps to kill the printk.h dependency.

Signed-off-by: Kent Overstreet <kent.overstreet@...ux.dev>
---
 include/linux/sched.h                       |  2 +-
 include/linux/syscall_user_dispatch.h       |  9 +--------
 include/linux/syscall_user_dispatch_types.h | 22 +++++++++++++++++++++
 3 files changed, 24 insertions(+), 9 deletions(-)
 create mode 100644 include/linux/syscall_user_dispatch_types.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index d799427f6d1b..fea6d913e004 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -28,7 +28,7 @@
 #include <linux/sched/prio.h>
 #include <linux/sched/types.h>
 #include <linux/signal_types.h>
-#include <linux/syscall_user_dispatch.h>
+#include <linux/syscall_user_dispatch_types.h>
 #include <linux/mm_types_task.h>
 #include <linux/task_io_accounting.h>
 #include <linux/posix-timers_types.h>
diff --git a/include/linux/syscall_user_dispatch.h b/include/linux/syscall_user_dispatch.h
index 641ca8880995..3858a6ffdd5c 100644
--- a/include/linux/syscall_user_dispatch.h
+++ b/include/linux/syscall_user_dispatch.h
@@ -6,16 +6,10 @@
 #define _SYSCALL_USER_DISPATCH_H
 
 #include <linux/thread_info.h>
+#include <linux/syscall_user_dispatch_types.h>
 
 #ifdef CONFIG_GENERIC_ENTRY
 
-struct syscall_user_dispatch {
-	char __user	*selector;
-	unsigned long	offset;
-	unsigned long	len;
-	bool		on_dispatch;
-};
-
 int set_syscall_user_dispatch(unsigned long mode, unsigned long offset,
 			      unsigned long len, char __user *selector);
 
@@ -29,7 +23,6 @@ int syscall_user_dispatch_set_config(struct task_struct *task, unsigned long siz
 				     void __user *data);
 
 #else
-struct syscall_user_dispatch {};
 
 static inline int set_syscall_user_dispatch(unsigned long mode, unsigned long offset,
 					    unsigned long len, char __user *selector)
diff --git a/include/linux/syscall_user_dispatch_types.h b/include/linux/syscall_user_dispatch_types.h
new file mode 100644
index 000000000000..3be36b06c7d7
--- /dev/null
+++ b/include/linux/syscall_user_dispatch_types.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SYSCALL_USER_DISPATCH_TYPES_H
+#define _SYSCALL_USER_DISPATCH_TYPES_H
+
+#include <linux/types.h>
+
+#ifdef CONFIG_GENERIC_ENTRY
+
+struct syscall_user_dispatch {
+	char __user	*selector;
+	unsigned long	offset;
+	unsigned long	len;
+	bool		on_dispatch;
+};
+
+#else
+
+struct syscall_user_dispatch {};
+
+#endif
+
+#endif /* _SYSCALL_USER_DISPATCH_TYPES_H */
-- 
2.43.0