linux-kernel - Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions

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Message-ID: <20150902073942.GA6002@gmail.com>
Date:	Wed, 2 Sep 2015 09:39:42 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	平松雅巳 / HIRAMATU，MASAMI 
	<masami.hiramatsu.pt@...achi.com>
Cc:	'Jiri Olsa' <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andy Lutomirski <luto@...capital.net>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Qiaowei Ren <qiaowei.ren@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions


* 平松雅巳 / HIRAMATU，MASAMI <masami.hiramatsu.pt@...achi.com> wrote:

> > sure, np you can use my ack
> 
> I'm also OK for this patch. I just concern that is OK for Adrian too? 
> Since this ensures all the copied code should be dead copy (not modified anymore),
> if we want a different instruction decoding routine, we have to break the test
> anyway.

So the idea would be to not break anything, only warn in a non-fatal question. 
This protects against unbisectable universes being created via simple git merges 
where updates meet but testing of tooling isn't done.

Thanks,

	Ingo
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