cris: Mark _stext and _end as char-arrays, not single char variables

Mark _stext and _end as character arrays instead of single
character variable, like include/asm-generic/sections.h does.
Signed-off-by: NMasami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: David S . Miller <davem@davemloft.net>
Cc: Francis Deslauriers <francis.deslauriers@efficios.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: linux-arch@vger.kernel.org
Cc: linux-cris-kernel@axis.com
Cc: mathieu.desnoyers@efficios.com
Link: http://lkml.kernel.org/r/150172782555.27216.2805751327900543374.stgit@devboxSigned-off-by: NIngo Molnar <mingo@kernel.org>

arch/cris/arch-v32/mach-a3/arbiter.c

@@ -227,7 +227,7 @@ static void crisv32_arbiter_config(int arbiter, int region, int unused_slots)
 	}
 }
 
-extern char _stext, _etext;
+extern char _stext[], _etext[];
 
 static void crisv32_arbiter_init(void)
 {
@@ -265,7 +265,7 @@ static void crisv32_arbiter_init(void)
 
 #ifndef CONFIG_ETRAX_KGDB
 	/* Global watch for writes to kernel text segment. */
-	crisv32_arbiter_watch(virt_to_phys(&_stext), &_etext - &_stext,
+	crisv32_arbiter_watch(virt_to_phys(_stext), _etext - _stext,
 		MARB_CLIENTS(arbiter_all_clients, arbiter_bar_all_clients),
 			      arbiter_all_write, NULL);
 #endif

arch/cris/arch-v32/mach-fs/arbiter.c

@@ -158,7 +158,7 @@ static void crisv32_arbiter_config(int region, int unused_slots)
 	}
 }
 
-extern char _stext, _etext;
+extern char _stext[], _etext[];
 
 static void crisv32_arbiter_init(void)
 {
@@ -190,7 +190,7 @@ static void crisv32_arbiter_init(void)
 
 #ifndef CONFIG_ETRAX_KGDB
 	/* Global watch for writes to kernel text segment. */
-	crisv32_arbiter_watch(virt_to_phys(&_stext), &_etext - &_stext,
+	crisv32_arbiter_watch(virt_to_phys(_stext), _etext - _stext,
 			      arbiter_all_clients, arbiter_all_write, NULL);
 #endif
 }

arch/cris/kernel/traps.c

@@ -42,7 +42,7 @@ void (*nmi_handler)(struct pt_regs *);
 void show_trace(unsigned long *stack)
 {
 	unsigned long addr, module_start, module_end;
-	extern char _stext, _etext;
+	extern char _stext[], _etext[];
 	int i;
 
 	pr_err("\nCall Trace: ");
@@ -69,8 +69,8 @@ void show_trace(unsigned long *stack)
 		 * down the cause of the crash will be able to figure
 		 * out the call path that was taken.
 		 */
-		if (((addr >= (unsigned long)&_stext) &&
-		     (addr <= (unsigned long)&_etext)) ||
+		if (((addr >= (unsigned long)_stext) &&
+		     (addr <= (unsigned long)_etext)) ||
 		    ((addr >= module_start) && (addr <= module_end))) {
 #ifdef CONFIG_KALLSYMS
 			print_ip_sym(addr);