Re: [PATCH 1/2] x86/stacktrace: do not fail when regs on stack for ORC
From: Jiri Slaby
Date: Mon Dec 18 2017 - 01:59:22 EST
On 12/18/2017, 04:37 AM, Josh Poimboeuf wrote:
> On Thu, Dec 14, 2017 at 10:58:35PM +0100, Jiri Slaby wrote:
>>> return -EINVAL;
>> Kthreads and idle tasks hit this error as they have no user regs on the
>> stack obviously :).
> Doh, sorry, I forgot about that.
FWIW and to be complete, as Mira Benes pointed out in some other thread,
also zombies/dead tasks belong here which have emptied stack.