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Commit a5a242dc authored by Vegard Nossum's avatar Vegard Nossum Committed by Ingo Molnar
Browse files

stacktrace: print_stack_trace() cleanup 



- shorter code and better atomicity with regards to printk().

(It's been tested with the backtrace self-test code on i386 and x86_64.)

Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: default avatarVegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 886dd582

kernel/stacktrace.c

+3 −6
Original line number Original line Diff line number Diff line
@@ -11,17 +11,14 @@ 




void print_stack_trace(struct stack_trace *trace, int spaces)

void print_stack_trace(struct stack_trace *trace, int spaces)

{

{

	int i, j;

	int i;





	if (WARN_ON(!trace->entries))

	if (WARN_ON(!trace->entries))

		return;

		return;





	for (i = 0; i < trace->nr_entries; i++) {

	for (i = 0; i < trace->nr_entries; i++) {

		unsigned long ip = trace->entries[i];

		printk("%*c", 1 + spaces, ' ');



		print_ip_sym(trace->entries[i]);

		for (j = 0; j < spaces + 1; j++)

			printk(" ");

		print_ip_sym(ip);

	}

	}

}

}