linux-kernel - Re: [PATCH] x86: Introduce REX prefix helper for kprobes

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Message-ID: <4777574D.8010801@redhat.com>
Date:	Sun, 30 Dec 2007 03:31:09 -0500
From:	Masami Hiramatsu <mhiramat@...hat.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Harvey Harrison <harvey.harrison@...il.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] x86: Introduce REX prefix helper for kprobes

Masami Hiramatsu wrote:
> (in case of CONFIG_X86_64)
> static inline int is_rex_prefix(int op)

Oops, s/int op/kprobe_opcode_t opcode/

> About the name, I just used the previous inline function name.

I re-think "is_REX_prefix" is better, because it is an architecture
dependent notation(intel's software developers manual called it
"REX prefixes"), and there is already is_IF_modifier() function
in arch/x86/kernel/kprobes.c.

Thanks,

Best Regards,

-- 
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division

e-mail: mhiramat@...hat.com, masami.hiramatsu.pt@...achi.com

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