linux-kernel - Re: [RFC PATCH v2 05/26] tools include: Sync math64.h and div64.h

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Date:	Mon, 27 Jun 2016 10:21:10 +0800
From:	Hekuang <hekuang@...wei.com>
To:	Nilay Vaish <nilayvaish@...il.com>
CC:	<acme@...nel.org>, <peterz@...radead.org>, <mingo@...hat.com>,
	<jolsa@...hat.com>, <brendan.d.gregg@...il.com>, <ast@...nel.org>,
	<alexander.shishkin@...ux.intel.com>, <wangnan0@...wei.com>,
	"Linux Kernel list" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH v2 05/26] tools include: Sync math64.h and div64.h

hi

在 2016/6/27 5:08, Nilay Vaish 写道:
> On 26 June 2016 at 06:20, He Kuang <hekuang@...wei.com> wrote:
>> From: Wang Nan <wangnan0@...wei.com>
>>
>> This patch copies "include/linux/math64.h" into
>> "tools/include/linux/math64.h" and copies
>> "include/asm-generic/div64.h" into
>> "tools/include/asm-generic/div64.h", to enable other libraries use
>> arithmetic operation defined in them.
> This probably is a newbie question.  What prevents us from using the
> header files directly?
>
> --
> Nilay

For not being influenced by kernel headers update too much, perf adopts
the header files in its own folder.

Thank you.
>