On Thu, Sep 04, 2014 at 05:02:34PM +0200, Oleg Nesterov wrote:
> On 09/04, Aaron Tomlin wrote:
> >
> > +#define task_stack_end_corrupted(task) \
> > + (*(end_of_stack(task)) != STACK_END_MAGIC)
>
> and it is always used along with "tsk != init_task".
>
> But why we exclude swapper/0? Ca
This facility is used in a few places so let's introduce
a helper function to improve readability.
Signed-off-by: Aaron Tomlin
---
arch/powerpc/mm/fault.c| 6 ++
arch/x86/mm/fault.c| 5 +
include/linux/sched.h | 3 +++
kernel/trace/trace_stack.c | 5 ++---
4 files change
On Thu, Sep 04, 2014 at 03:50:23PM +0100, Aaron Tomlin wrote:
> @@ -537,8 +535,8 @@ void bad_page_fault(struct pt_regs *regs, unsigned long
> address, int sig)
> printk(KERN_ALERT "Faulting instruction address: 0x%08lx\n",
> regs->nip);
>
> - stackend = end_of_stack(curr
On 09/04, Aaron Tomlin wrote:
>
> +#define task_stack_end_corrupted(task) \
> + (*(end_of_stack(task)) != STACK_END_MAGIC)
and it is always used along with "tsk != init_task".
But why we exclude swapper/0? Can't we add
end_of_stack(current) = STACK_END_MAGIC;
somewhere at th
