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author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 19:53:30 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-05 19:53:30 -0700 |
commit | 357aa6aefebe888c712152cb83c9e700f98eebd1 (patch) | |
tree | 5adac02fbfd232e8df56563c3ab2facde669ba9c /kernel/printk | |
parent | be88751f320a716a4327596adfe834e162c14532 (diff) | |
parent | 47319f7186b8746521b0ee674054b29d7b35578b (diff) | |
download | linux-357aa6aefebe888c712152cb83c9e700f98eebd1.tar.gz linux-357aa6aefebe888c712152cb83c9e700f98eebd1.tar.bz2 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')
-rw-r--r-- | kernel/printk/printk.c | 59 |
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 |