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Date:   Mon, 18 Dec 2017 07:59:15 +0100
From:   Jiri Slaby <>
To:     Josh Poimboeuf <>
        Thomas Gleixner <>,
        "H. Peter Anvin" <>,,
        Miroslav Benes <>
Subject: Re: [PATCH 1/2] x86/stacktrace: do not fail when regs on stack for

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.

suse labs

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