linux-kernel - Re: [PATCH -tip 3/6 V4.1] x86: instruction decorder API

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Message-ID: <49E8C570.7030708@zytor.com>
Date:	Fri, 17 Apr 2009 11:07:44 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Masami Hiramatsu <mhiramat@...hat.com>
CC:	Jim Keniston <jkenisto@...ibm.com>, Ingo Molnar <mingo@...e.hu>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Andi Kleen <andi@...stfloor.org>, kvm@...r.kernel.org,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	systemtap-ml <systemtap@...rces.redhat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Vegard Nossum <vegard.nossum@...il.com>,
	Avi Kivity <avi@...hat.com>, Roland McGrath <roland@...hat.com>
Subject: Re: [PATCH -tip 3/6 V4.1] x86: instruction decorder API

Masami Hiramatsu wrote:
> 
> Aah, I see. So we'd better make a parser which generates internal
> data structure from genuine opcode map in compilation time.
> 
> And I changed my mind about internal data structure too.
> In this version, I'll use a smallest bits which are needed
> for the decoder.
> 

Yes, and with a proper compile-time parser, that kind of things can be
done, and be changed later if it is no longer appropriate.

	-hpa
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