linux-kernel - Re: [PATCH v5 0/9] ftrace with regs + live patching for ppc64 LE (ABI v2)

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Date:	Thu, 21 Jan 2016 16:06:33 +0100
From:	Torsten Duwe <duwe@....de>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	Jiri Kosina <jikos@...nel.org>, Petr Mladek <pmladek@...e.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Denis Kirjanov <kda@...ux-powerpc.org>,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	live-patching@...r.kernel.org
Subject: Re: [PATCH v5 0/9] ftrace with regs + live patching for ppc64 LE
	(ABI v2)

On Thu, Jan 21, 2016 at 11:54:51PM +1100, Michael Ellerman wrote:
> There is no dmesg :)
> 
> It gets stuck in early_setup() before the console is even found.

Confirmed.
| Device tree struct  0x00000000014b0000 -> 0x00000000014c0000
| Quiescing Open Firmware ...
| Booting Linux via __start() ...
and that's it.

gcc-6 --version
gcc-6 (SUSE Linux) 6.0.0 20160108 (experimental) [trunk revision 232162]

> Also I'm using gcc 6.0 built from mainline just last week, and binutils
> similarly. So possibly that is part of the problem.

Confirmed. It _is_ the problem.
mcount call sites look normal on first sight...

	Torsten