add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/nios2/kernel/traps.c
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@@ -26,7 +26,7 @@
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 static void _send_sig(int signo, int code, unsigned long addr)
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 {
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-	force_sig_fault(signo, code, (void __user *) addr, current);
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+	force_sig_fault(signo, code, (void __user *) addr);
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 }
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 void die(const char *str, struct pt_regs *regs, long err)
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@@ -37,10 +37,10 @@
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 	show_regs(regs);
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 	spin_unlock_irq(&die_lock);
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 	/*
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-	 * do_exit() should take care of panic'ing from an interrupt
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+	 * make_task_dead() should take care of panic'ing from an interrupt
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 	 * context so we don't handle it here
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 	 */
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-	do_exit(err);
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+	make_task_dead(err);
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 }
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 void _exception(int signo, struct pt_regs *regs, int code, unsigned long addr)
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@@ -52,12 +52,13 @@
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 }
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 /*
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- * The show_stack is an external API which we do not use ourselves.
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+ * The show_stack() is external API which we do not use ourselves.
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  */
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 int kstack_depth_to_print = 48;
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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 *endstack, addr;
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 	int i;
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@@ -72,16 +73,16 @@
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 	addr = (unsigned long) stack;
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 	endstack = (unsigned long *) PAGE_ALIGN(addr);
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-	pr_emerg("Stack from %08lx:", (unsigned long)stack);
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+	printk("%sStack from %08lx:", loglvl, (unsigned long)stack);
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 	for (i = 0; i < kstack_depth_to_print; i++) {
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 		if (stack + 1 > endstack)
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 			break;
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 		if (i % 8 == 0)
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-			pr_emerg("\n       ");
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-		pr_emerg(" %08lx", *stack++);
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+			printk("%s\n       ", loglvl);
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+		printk("%s %08lx", loglvl, *stack++);
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 	}
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-	pr_emerg("\nCall Trace:");
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+	printk("%s\nCall 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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@@ -97,11 +98,11 @@
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 		     (addr <= (unsigned long) _etext))) {
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 			if (i % 4 == 0)
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 				pr_emerg("\n       ");
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-			pr_emerg(" [<%08lx>]", addr);
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+			printk("%s [<%08lx>]", loglvl, addr);
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 			i++;
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 		}
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 	}
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-	pr_emerg("\n");
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+	printk("%s\n", loglvl);
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 }
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 void __init trap_init(void)