Re: [PATCH] Fix end_of_stack() fn and location of stack canary for archs using STACK_GROWSUP

From: James Hogan
Date: Fri Sep 19 2014 - 07:22:25 EST

Hi Chuck,

On 16/09/14 08:37, Chuck Ebbert wrote:
> static inline unsigned long *end_of_stack(struct task_struct *p)
> {
> + return (unsigned long *)((unsigned long)task_thread_info(p) + THREAD_SIZE) - 1;

Nit: this line should probably be wrapped to 80 columns.

Other than that, I've tested this on metag and can confirm that it fixes
the following BUG which you would otherwise get during boot with Aaron's

BUG: failure at kernel/sched/core.c:2664/schedule_debug()!
Kernel panic - not syncing: BUG!

Tested-by: James Hogan <james.hogan@xxxxxxxxxx> [metag]
Acked-by: James Hogan <james.hogan@xxxxxxxxxx>

Aaron: please can you try to get this patch applied before your patch

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at