Merge "msm: move printk out of spin lock low_water_lock" (acc7a4ee) · Commits · e / devices / android_kernel_xiaomi_markw

kernel/exit.c

+8 −2

Original line number	Diff line number	Diff line
		@@ -650,6 +650,7 @@ static void check_stack_usage(void)
		static DEFINE_SPINLOCK(low_water_lock);
		static int lowest_to_date = THREAD_SIZE;
		unsigned long free;
		int islower = false;

		free = stack_not_used(current);

		@@ -658,11 +659,16 @@ static void check_stack_usage(void)

		spin_lock(&low_water_lock);
		if (free < lowest_to_date) {
		pr_warn("%s (%d) used greatest stack depth: %lu bytes left\n",
		current->comm, task_pid_nr(current), free);
		lowest_to_date = free;
		islower = true;
		}
		spin_unlock(&low_water_lock);

		if (islower) {
		printk(KERN_WARNING "%s (%d) used greatest stack depth: "
		"%lu bytes left\n",
		current->comm, task_pid_nr(current), free);
		}
		}
		#else
		static inline void check_stack_usage(void) {}