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hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/kernel/backtracetest.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Simple stack backtrace regression test module
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  *
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  * (C) Copyright 2008 Intel Corporation
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  * Author: Arjan van de Ven <arjan@linux.intel.com>
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; version 2
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- * of the License.
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  */
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 #include <linux/completion.h>
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@@ -33,7 +29,7 @@
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 	complete(&backtrace_work);
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 }
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-static DECLARE_TASKLET(backtrace_tasklet, &backtrace_test_irq_callback, 0);
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+static DECLARE_TASKLET_OLD(backtrace_tasklet, &backtrace_test_irq_callback);
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 static void backtrace_test_irq(void)
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 {
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@@ -48,19 +44,14 @@
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 #ifdef CONFIG_STACKTRACE
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 static void backtrace_test_saved(void)
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 {
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-	struct stack_trace trace;
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 	unsigned long entries[8];
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+	unsigned int nr_entries;
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 	pr_info("Testing a saved backtrace.\n");
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 	pr_info("The following trace is a kernel self test and not a bug!\n");
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-	trace.nr_entries = 0;
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-	trace.max_entries = ARRAY_SIZE(entries);
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-	trace.entries = entries;
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-	trace.skip = 0;
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-
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-	save_stack_trace(&trace);
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-	print_stack_trace(&trace, 0);
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+	nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 0);
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+	stack_trace_print(entries, nr_entries, 0);
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 }
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 #else
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 static void backtrace_test_saved(void)