kernel: rename show_stack_loglvl() => show_stack()

Now the last users of show_stack() got converted to use an explicit log
level, show_stack_loglvl() can drop it's redundant suffix and become once
again well known show_stack().

Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200418201944.482088-51-dima@arista.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/mips/kernel/traps.c

@@ -198,8 +198,7 @@ static void show_stacktrace(struct task_struct *task,
 	show_backtrace(task, regs, loglvl);
 }
 
-void show_stack_loglvl(struct task_struct *task, unsigned long *sp,
-		       const char *loglvl)
+void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl)
 {
 	struct pt_regs regs;
 	mm_segment_t old_fs = get_fs();
@@ -227,11 +226,6 @@ void show_stack_loglvl(struct task_struct *task, unsigned long *sp,
 	set_fs(old_fs);
 }
 
-void show_stack(struct task_struct *task, unsigned long *sp)
-{
-	show_stack_loglvl(task, sp, KERN_DEFAULT)
-}
-
 static void show_code(unsigned int __user *pc)
 {
 	long i;