linux-kernel - [PATCH 4/5] alternatives: constify alternatives_text

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Date:	Wed,  9 Jan 2013 18:09:19 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	rostedt@...dmis.org, fweisbec@...il.com, rusty@...tcorp.com.au,
	ananth@...ibm.com, anil.s.keshavamurthy@...el.com,
	masami.hiramatsu.pt@...achi.com, jbaron@...hat.com
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	Sasha Levin <sasha.levin@...cle.com>
Subject: [PATCH 4/5] alternatives: constify alternatives_text_reserved

Signed-off-by: Sasha Levin <sasha.levin@...cle.com>
---
 arch/x86/include/asm/alternative.h | 4 ++--
 arch/x86/kernel/alternative.c      | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index 58ed6d9..4d0d2fb 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -61,7 +61,7 @@ extern void alternatives_smp_module_add(struct module *mod, char *name,
 					void *text, void *text_end);
 extern void alternatives_smp_module_del(struct module *mod);
 extern void alternatives_enable_smp(void);
-extern int alternatives_text_reserved(void *start, void *end);
+extern int alternatives_text_reserved(const void *start, const void *end);
 extern bool skip_smp_alternatives;
 #else
 static inline void alternatives_smp_module_add(struct module *mod, char *name,
@@ -69,7 +69,7 @@ static inline void alternatives_smp_module_add(struct module *mod, char *name,
 					       void *text, void *text_end) {}
 static inline void alternatives_smp_module_del(struct module *mod) {}
 static inline void alternatives_enable_smp(void) {}
-static inline int alternatives_text_reserved(void *start, void *end)
+static inline int alternatives_text_reserved(const void *start, const void *end)
 {
 	return 0;
 }
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index ef5ccca..0994e41 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -431,12 +431,12 @@ void alternatives_enable_smp(void)
 }
 
 /* Return 1 if the address range is reserved for smp-alternatives */
-int alternatives_text_reserved(void *start, void *end)
+int alternatives_text_reserved(const void *start, const void *end)
 {
 	struct smp_alt_module *mod;
 	const s32 *poff;
-	u8 *text_start = start;
-	u8 *text_end = end;
+	const u8 *text_start = start;
+	const u8 *text_end = end;
 
 	list_for_each_entry(mod, &smp_alt_modules, next) {
 		if (mod->text > text_end || mod->text_end < text_start)
-- 
1.8.1

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