Merge branch 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk

Pull printk updates from Petr Mladek:

 - Add info about loaded kdump kernel into the dump stack header

 - Move dump-stack related code from printk.c to lib/dump_stack.c

 - Write message about suspending consoles in KERN_INFO log level

* 'for-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
  printk: change message to pr_info
  printk: move dump stack related code to lib/dump_stack.c
  print kdump kernel loaded status in stack dump

kernel/printk/printk.c

@@ -42,7 +42,6 @@
 #include <linux/rculist.h>
 #include <linux/poll.h>
 #include <linux/irq_work.h>
-#include <linux/utsname.h>
 #include <linux/ctype.h>
 #include <linux/uio.h>
 #include <linux/sched/clock.h>
@@ -2162,7 +2161,7 @@ void suspend_console(void)
 {
 	if (!console_suspend_enabled)
 		return;
-	printk("Suspending console(s) (use no_console_suspend to debug)\n");
+	pr_info("Suspending console(s) (use no_console_suspend to debug)\n");
 	console_lock();
 	console_suspended = 1;
 	up_console_sem();
@@ -3257,60 +3256,4 @@ void kmsg_dump_rewind(struct kmsg_dumper *dumper)
 }
 EXPORT_SYMBOL_GPL(kmsg_dump_rewind);
 
-static char dump_stack_arch_desc_str[128];
-
-/**
- * dump_stack_set_arch_desc - set arch-specific str to show with task dumps
- * @fmt: printf-style format string
- * @...: arguments for the format string
- *
- * The configured string will be printed right after utsname during task
- * dumps.  Usually used to add arch-specific system identifiers.  If an
- * arch wants to make use of such an ID string, it should initialize this
- * as soon as possible during boot.
- */
-void __init dump_stack_set_arch_desc(const char *fmt, ...)
-{
-	va_list args;
-
-	va_start(args, fmt);
-	vsnprintf(dump_stack_arch_desc_str, sizeof(dump_stack_arch_desc_str),
-		  fmt, args);
-	va_end(args);
-}
-
-/**
- * dump_stack_print_info - print generic debug info for dump_stack()
- * @log_lvl: log level
- *
- * Arch-specific dump_stack() implementations can use this function to
- * print out the same debug information as the generic dump_stack().
- */
-void dump_stack_print_info(const char *log_lvl)
-{
-	printk("%sCPU: %d PID: %d Comm: %.20s %s %s %.*s\n",
-	       log_lvl, raw_smp_processor_id(), current->pid, current->comm,
-	       print_tainted(), init_utsname()->release,
-	       (int)strcspn(init_utsname()->version, " "),
-	       init_utsname()->version);
-
-	if (dump_stack_arch_desc_str[0] != '\0')
-		printk("%sHardware name: %s\n",
-		       log_lvl, dump_stack_arch_desc_str);
-
-	print_worker_info(log_lvl, current);
-}
-
-/**
- * show_regs_print_info - print generic debug info for show_regs()
- * @log_lvl: log level
- *
- * show_regs() implementations can use this function to print out generic
- * debug information.
- */
-void show_regs_print_info(const char *log_lvl)
-{
-	dump_stack_print_info(log_lvl);
-}
-
 #endif