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x86/dumpstack: Unify show_regs()

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The 32-bit version uses KERN_EMERG and commit

  b0f4c4b32c ("bugs, x86: Fix printk levels for panic, softlockups and stack dumps")

changed the 64-bit version to KERN_DEFAULT. The same justification in
that commit that those messages do not belong in the terminal, holds
true for 32-bit also, so make it so.

Make code_bytes static, while at it.

Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Link: https://lkml.kernel.org/r/20180306094920.16917-4-bp@alien8.de
This commit is contained in:
Borislav Petkov
2018-03-06 10:49:14 +01:00
committed by Thomas Gleixner
parent 9558080935
commit 16d1cb0bc4
4 changed files with 48 additions and 87 deletions
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2
arch/x86/include/asm/stacktrace.h
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@@ -87,8 +87,6 @@ get_stack_pointer(struct task_struct *task, struct pt_regs *regs)
void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
unsigned long *stack, char *log_lvl);
extern unsigned int code_bytes;
/* The form of the top of the frame on the stack */
struct stack_frame {
struct stack_frame *next_frame;