add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/c6x/kernel/traps.c
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@@ -1,12 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  Port on Texas Instruments TMS320C6x architecture
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  *
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  *  Copyright (C) 2004, 2006, 2009, 2010, 2011 Texas Instruments Incorporated
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  *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License version 2 as
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- *  published by the Free Software Foundation.
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  */
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 #include <linux/module.h>
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 #include <linux/ptrace.h>
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@@ -253,7 +250,7 @@
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 	die_if_kernel(except_info->kernel_str, regs, addr);
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 	force_sig_fault(except_info->signo, except_info->code,
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-			(void __user *)addr, current);
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+			(void __user *)addr);
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 }
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 /*
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@@ -347,12 +344,13 @@
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 static int kstack_depth_to_print = 48;
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-static void show_trace(unsigned long *stack, unsigned long *endstack)
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+static void show_trace(unsigned long *stack, unsigned long *endstack,
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+		       const char *loglvl)
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 {
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 	unsigned long addr;
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 	int i;
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-	pr_debug("Call trace:");
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+	printk("%sCall trace:", loglvl);
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 	i = 0;
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 	while (stack + 1 <= endstack) {
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 		addr = *stack++;
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@@ -367,16 +365,17 @@
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 		if (__kernel_text_address(addr)) {
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 #ifndef CONFIG_KALLSYMS
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 			if (i % 5 == 0)
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-				pr_debug("\n	    ");
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+				printk("%s\n	    ", loglvl);
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 #endif
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-			pr_debug(" [<%08lx>] %pS\n", addr, (void *)addr);
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+			printk("%s [<%08lx>] %pS\n", loglvl, addr, (void *)addr);
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 			i++;
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 		}
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 	}
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-	pr_debug("\n");
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+	printk("%s\n", loglvl);
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 }
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-void show_stack(struct task_struct *task, unsigned long *stack)
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+void show_stack(struct task_struct *task, unsigned long *stack,
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+		const char *loglvl)
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 {
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 	unsigned long *p, *endstack;
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 	int i;
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@@ -401,7 +400,7 @@
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 		pr_cont(" %08lx", *p++);
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 	}
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 	pr_cont("\n");
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-	show_trace(stack, endstack);
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+	show_trace(stack, endstack, loglvl);
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 }
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 int is_valid_bugaddr(unsigned long addr)