linux-kernel - Re: [PATCH v2 08/29] ktap: add bytecode reader(kernel/trace/ktap/kp

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Message-ID: <CAGdX0WERQixTQc7NcvqMs6E=ifDOFXgaavvuK7tocs+a-=EVnA@mail.gmail.com>
Date:	Mon, 31 Mar 2014 10:05:53 +0800
From:	Jovi Zhangwei <jovi.zhangwei@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH v2 08/29] ktap: add bytecode reader(kernel/trace/ktap/kp_bcread.[c|h])

On Mon, Mar 31, 2014 at 1:17 AM, Andi Kleen <andi@...stfloor.org> wrote:
>> That's designed for portability initially, it means we can just run bytecode
>> without compile script file everywhere, especially when compilation  is
>> a heavily task for some embedded platform, even though ktap compilation
>> is extremely fast.
>>
>> I doubt maybe there will have this bytecode portability requirement in future?
>
> Portability should be on the source level.
>
>
That's fine, I will add one endianness flag in bytecode header, kernel
will reject
loading if find endianness doesn't match.

Thanks.

Jovi
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