fix: ERROR: "print_stack_trace" [kernel/backtracetest.ko] undefined! ERROR: "save_stack_trace" [kernel/backtracetest.ko] undefined! Signed-off-by: Ingo Molnar <mingo@elte.hu> and fix: Building modules, stage 2. MODPOST 376 modules ERROR: "print_stack_trace" [kernel/backtracetest.ko] undefined! make[1]: *** [__modpost] Error 1 Signed-off-by: Ingo Molnar <mingo@elte.hu>
		
			
				
	
	
		
			27 lines
		
	
	
		
			522 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			522 B
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * kernel/stacktrace.c
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 *
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 * Stack trace management functions
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 *
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 *  Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
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 */
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#include <linux/sched.h>
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#include <linux/module.h>
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#include <linux/kallsyms.h>
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#include <linux/stacktrace.h>
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void print_stack_trace(struct stack_trace *trace, int spaces)
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{
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	int i;
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	if (WARN_ON(!trace->entries))
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		return;
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	for (i = 0; i < trace->nr_entries; i++) {
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		printk("%*c", 1 + spaces, ' ');
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		print_ip_sym(trace->entries[i]);
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	}
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}
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EXPORT_SYMBOL_GPL(print_stack_trace);
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