linux-kernel - Re: [PATCH] s390:ftrace: add save_stack_trace

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Message-ID: <20160129171249.GG3896@osiris>
Date:	Fri, 29 Jan 2016 18:12:49 +0100
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Pratyush Anand <panand@...hat.com>, schwidefsky@...ibm.com,
	linux-s390@...r.kernel.org, Chunyu Hu <chuhu@...hat.com>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] s390:ftrace: add save_stack_trace_regs()

On Fri, Jan 29, 2016 at 11:56:59AM -0500, Steven Rostedt wrote:
> On Fri, 29 Jan 2016 17:49:18 +0100
> Heiko Carstens <heiko.carstens@...ibm.com> wrote:
>  
> > Which looks much better. The stack tracer also works again!
> 
> Great! Although, it shouldn't have affected the stack tracing of kprobe
> events :-/

Yes, you're absolutely right. I mixed up my trees (one 4.4 based and one
Linus' master).

> Although the previous commit I showed would.

So, the save_stack_trace_regs() patch from Pratyush does work
out-of-the-box on Linus' master tree and the stack tracer only if your
additional patch is applied.

Sorry for the confusion!