linux-kernel - Re: User stacktrace garbage when USER_STACKTRACE

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Message-ID: <your-ad-here.call-01617228177-ext-4428@work.hours>
Date:   Thu, 1 Apr 2021 00:02:57 +0200
From:   Vasily Gorbik <gor@...ux.ibm.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Josef Bacik <jbacik@...com>, linux-kernel@...r.kernel.org
Subject: Re: User stacktrace garbage when USER_STACKTRACE_SUPPORT is not
 enabled

On Wed, Mar 31, 2021 at 05:09:00PM -0400, Steven Rostedt wrote:
> On Wed, 31 Mar 2021 22:51:15 +0200
> Vasily Gorbik <gor@...ux.ibm.com> wrote:
> 
> > It does! Thanks for the explanation and for the fix. I wonder why nobody
> > noticed and complained about that since v5.6.
> 
> Because it didn't lose data, just added extra junk.
> 
> > 
> > Acked-by: Vasily Gorbik <gor@...ux.ibm.com>
> 
> Want to give a "tested-by" too?

I only tested it on s390 (manually + ftrace selftest), quite frankly.
If it qualifies:

Tested-by: Vasily Gorbik <gor@...ux.ibm.com> # s390 only