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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-06 04:53:30 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-06 04:53:30 +0200
commit357aa6aefebe888c712152cb83c9e700f98eebd1 (patch)
tree5adac02fbfd232e8df56563c3ab2facde669ba9c /kernel/printk/printk.c
parentMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jac... (diff)
parentprintk: change message to pr_info (diff)
downloadlinux-357aa6aefebe888c712152cb83c9e700f98eebd1.tar.xz
linux-357aa6aefebe888c712152cb83c9e700f98eebd1.zip
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
Diffstat (limited to 'kernel/printk/printk.c')
-rw-r--r--kernel/printk/printk.c59
1 files changed, 1 insertions, 58 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index f274fbef821d..704e55129c3a 100644
--- a/kernel/printk/printk.c
+++ b/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