Re: [PATCH 1/2] x86/stacktrace: do not fail when regs on stack for ORC

From: Jiri Slaby
Date: Thu May 10 2018 - 08:33:12 EST


On 04/19/2018, 03:42 PM, Josh Poimboeuf wrote:
> On Mon, Apr 16, 2018 at 05:16:53PM -0500, Josh Poimboeuf wrote:
>> On Wed, Dec 20, 2017 at 08:07:17PM +0100, Jiri Slaby wrote:
>>> On 12/20/2017, 06:45 PM, Josh Poimboeuf wrote:
>>>> It might not be until 2018 though. But in the meantime you can go ahead
>>>> and update your patches accordingly and then we can combine them for
>>>> testing next year.
>>>
>>> I already did ;). So when you have that ready, I will send it on top
>>> right after.
>>
>> Sorry for the delay... Here's a (lightly tested) patch. Can you test
>> it with the latest version of your patches?
>
> This one actually compiles:
>
> From: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> Subject: [PATCH] x86/unwind/orc: Detect the end of the stack

With this patch applied, livepatching never completes. Kthreads are in
the unpatched state forever. I have no details yet.

thanks,
--
js
suse labs