linux-kernel - Re: [PATCH v8 8/8] livepatch: Detect offset for the ftrace location during build

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Message-ID: <20160224092318.GA24232@lst.de>
Date:	Wed, 24 Feb 2016 10:23:18 +0100
From:	Torsten Duwe <duwe@....de>
To:	Balbir Singh <bsingharora@...il.com>
Cc:	Michael Ellerman <mpe@...erman.id.au>,
	Petr Mladek <pmladek@...e.com>, Jessica Yu <jeyu@...hat.com>,
	Jiri Kosina <jkosina@...e.cz>, linux-kernel@...r.kernel.org,
	Steven Rostedt <rostedt@...dmis.org>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	live-patching@...r.kernel.org, Miroslav Benes <mbenes@...e.cz>,
	linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v8 8/8] livepatch: Detect offset for the ftrace
	location during build

On Wed, Feb 24, 2016 at 05:55:35PM +1100, Balbir Singh wrote:
> <snip>
> 
> We need to remove the SQUASH_TOC_SAVE_INSNS bits as well, now that the ppc64_profile_stub_insns does not save r2

Sure -- this was meant to _replace_ the changes from patch 2/8, not on top.
And yes, it exposes duplicate definitions, but does not cause them AFAICS.
The two unasked questions about it were: Is Michael's solution on a similar
basis? Is this worth any further effort e.g. put into v9?

	Torsten