[patch 44/93] sysrq: use show_stack_loglvl()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Dmitry Safonov <dima@xxxxxxxxxx>
Subject: sysrq: use show_stack_loglvl()

Show the stack trace on a CPU with the same log level as "CPU%d" header.

Link: http://lkml.kernel.org/r/20200418201944.482088-45-dima@xxxxxxxxxx
Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jslaby@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/tty/sysrq.c         |    2 +-
 include/linux/sched/debug.h |    2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/tty/sysrq.c~sysrq-use-show_stack_loglvl
+++ a/drivers/tty/sysrq.c
@@ -235,7 +235,7 @@ static void showacpu(void *dummy)
 
 	raw_spin_lock_irqsave(&show_lock, flags);
 	pr_info("CPU%d:\n", smp_processor_id());
-	show_stack(NULL, NULL);
+	show_stack_loglvl(NULL, NULL, KERN_INFO);
 	raw_spin_unlock_irqrestore(&show_lock, flags);
 }
 
--- a/include/linux/sched/debug.h~sysrq-use-show_stack_loglvl
+++ a/include/linux/sched/debug.h
@@ -31,6 +31,8 @@ extern void show_regs(struct pt_regs *);
  * trace (or NULL if the entire call-chain of the task should be shown).
  */
 extern void show_stack(struct task_struct *task, unsigned long *sp);
+extern void show_stack_loglvl(struct task_struct *task, unsigned long *sp,
+			      const char *loglvl);
 
 extern void sched_show_task(struct task_struct *p);
 
_



[Index of Archives]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux