linux-kernel - [patch 16/38] modules: Make struct module

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Message-ID: <20220716230953.619868339@linutronix.de>
Date:   Sun, 17 Jul 2022 01:17:35 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Linus Torvalds <torvalds@...ux-foundation.org>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        Josh Poimboeuf <jpoimboe@...nel.org>,
        Andrew Cooper <Andrew.Cooper3@...rix.com>,
        Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
        Johannes Wikner <kwikner@...z.ch>,
        Alyssa Milburn <alyssa.milburn@...ux.intel.com>,
        Jann Horn <jannh@...gle.com>, "H.J. Lu" <hjl.tools@...il.com>,
        Joao Moreira <joao.moreira@...el.com>,
        Joseph Nuzman <joseph.nuzman@...el.com>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: [patch 16/38] modules: Make struct module_layout unconditionally available

To simplify the upcoming call thunk code it's desired to expose struct
module_layout even on !MDOULES builds. This spares conditionals and
#ifdeffery.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 include/linux/module.h |   44 ++++++++++++++++++++++----------------------
 1 file changed, 22 insertions(+), 22 deletions(-)

--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -67,6 +67,28 @@ struct module_version_attribute {
 	const char *version;
 };
 
+struct mod_tree_node {
+	struct module *mod;
+	struct latch_tree_node node;
+};
+
+struct module_layout {
+	/* The actual code + data. */
+	void *base;
+	/* Total size. */
+	unsigned int size;
+	/* The size of the executable code.  */
+	unsigned int text_size;
+	/* Size of RO section of the module (text+rodata) */
+	unsigned int ro_size;
+	/* Size of RO after init section */
+	unsigned int ro_after_init_size;
+
+#ifdef CONFIG_MODULES_TREE_LOOKUP
+	struct mod_tree_node mtn;
+#endif
+};
+
 extern ssize_t __modver_version_show(struct module_attribute *,
 				     struct module_kobject *, char *);
 
@@ -316,28 +338,6 @@ enum module_state {
 	MODULE_STATE_UNFORMED,	/* Still setting it up. */
 };
 
-struct mod_tree_node {
-	struct module *mod;
-	struct latch_tree_node node;
-};
-
-struct module_layout {
-	/* The actual code + data. */
-	void *base;
-	/* Total size. */
-	unsigned int size;
-	/* The size of the executable code.  */
-	unsigned int text_size;
-	/* Size of RO section of the module (text+rodata) */
-	unsigned int ro_size;
-	/* Size of RO after init section */
-	unsigned int ro_after_init_size;
-
-#ifdef CONFIG_MODULES_TREE_LOOKUP
-	struct mod_tree_node mtn;
-#endif
-};
-
 #ifdef CONFIG_MODULES_TREE_LOOKUP
 /* Only touch one cacheline for common rbtree-for-core-layout case. */
 #define __module_layout_align ____cacheline_aligned