add REDIRECT

hc

2024-10-09 05e59e5fb0064c97a1c10921ecd549f2d4a58565

 kernel/arch/um/kernel/sysrq.c
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@@ -1,10 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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  * Copyright (C) 2013 Richard Weinberger <richrd@nod.at>
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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/kallsyms.h>
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@@ -20,7 +17,9 @@
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 static void _print_addr(void *data, unsigned long address, int reliable)
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 {
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-	pr_info(" [<%08lx>] %s%pF\n", address, reliable ? "" : "? ",
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+	const char *loglvl = data;
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+
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+	printk("%s [<%08lx>] %s%pS\n", loglvl, address, reliable ? "" : "? ",
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 		(void *)address);
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 }
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@@ -28,9 +27,9 @@
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 	.address = _print_addr
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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 *sp = stack;
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 	struct pt_regs *segv_regs = current->thread.segv_regs;
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 	int i;
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..
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@@ -41,10 +40,9 @@
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 	}
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 	if (!stack)
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-		sp = get_stack_pointer(task, segv_regs);
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+		stack = get_stack_pointer(task, segv_regs);
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-	pr_info("Stack:\n");
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-	stack = sp;
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+	printk("%sStack:\n", loglvl);
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 	for (i = 0; i < 3 * STACKSLOTS_PER_LINE; i++) {
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 		if (kstack_end(stack))
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 			break;
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@@ -52,9 +50,7 @@
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 			pr_cont("\n");
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 		pr_cont(" %08lx", *stack++);
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 	}
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-	pr_cont("\n");
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-	pr_info("Call Trace:\n");
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-	dump_trace(current, &stackops, NULL);
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-	pr_info("\n");
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+	printk("%sCall Trace:\n", loglvl);
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+	dump_trace(current, &stackops, (void *)loglvl);
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 }