void cpu_idle(void)
{
current_thread_info()->status |= TS_POLLING;
+
+#ifdef CONFIG_CC_STACKPROTECTOR
+ /*
+ * If we're the non-boot CPU, nothing set the PDA stack
+ * canary up for us. This is as good a place as any for
+ * doing that.
+ */
+ write_pda(stack_canary, current->stack_canary);
+#endif
/* endless idle loop with no priority at all */
while (1) {
tick_nohz_stop_sched_tick();
write_pda(kernelstack,
(unsigned long)task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
#ifdef CONFIG_CC_STACKPROTECTOR
- write_pda(stack_canary, next_p->stack_canary);
/*
* Build time only check to make sure the stack_canary is at
* offset 40 in the pda; this is a gcc ABI requirement