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Commit 48e4d460 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: stacktrace: Add reliability checks in address saving ops. 



This adopts the reliability checks from the x86 stacktrace code so known
bad addresses are not recorded in the stack trace buffer.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 0fc11e36

arch/sh/kernel/stacktrace.c

+6 −0
Original line number Diff line number Diff line
@@ -38,6 +38,9 @@ static void save_stack_address(void *data, unsigned long addr, int reliable) 
{

	struct stack_trace *trace = data;



	if (!reliable)

		return;



	if (trace->skip > 0) {

		trace->skip--;

		return;
@@ -67,6 +70,9 @@ save_stack_address_nosched(void *data, unsigned long addr, int reliable) 
{

	struct stack_trace *trace = (struct stack_trace *)data;



	if (!reliable)

		return;



	if (in_sched_functions(addr))

		return;