Commit 4b01abdb authored Jan 02, 2018 by Mikulas Patocka Committed by Matt Turner Jan 20, 2018

alpha: fix formating of stack content



Since version 4.9, the kernel automatically breaks printk calls into
multiple newlines unless pr_cont is used. Fix the alpha stacktrace code,
so that it prints stack trace in four columns, as it was initially
intended.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org	# v4.9+
Signed-off-by: Matt Turner <mattst88@gmail.com>

parent 55fc633c

arch/alpha/kernel/traps.c

+9 −4

Original line number	Diff line number	Diff line
		@@ -160,11 +160,16 @@ void show_stack(struct task_struct task, unsigned long sp)
		for(i=0; i < kstack_depth_to_print; i++) {
		if (((long) stack & (THREAD_SIZE-1)) == 0)
		break;
		if (i && ((i % 4) == 0))
		printk("\n ");
		printk("%016lx ", *stack++);
		if ((i % 4) == 0) {
		if (i)
		pr_cont("\n");
		printk(" ");
		} else {
		pr_cont(" ");
		}
		printk("\n");
		pr_cont("%016lx", *stack++);
		}
		pr_cont("\n");
		dik_show_trace(sp);
		}