linux-kernel - Re: [PATCH -v5 02/11] MIPS: add mips_timecounter

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Message-Id: <1256565667.26028.257.camel@gandalf.stny.rr.com>
Date:	Mon, 26 Oct 2009 10:01:07 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Wu Zhangjin <wuzhangjin@...il.com>
Cc:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Nicholas Mc Guire <der.herr@...r.at>,
	Richard Sandiford <rdsandiford@...glemail.com>,
	David Daney <ddaney@...iumnetworks.com>,
	Adam Nemet <anemet@...iumnetworks.com>,
	Patrik Kluba <kpajko79@...il.com>
Subject: Re: [PATCH -v5 02/11] MIPS: add mips_timecounter_read() to get
 high precision timestamp

On Sun, 2009-10-25 at 23:16 +0800, Wu Zhangjin wrote:
> This patch implement a mips_timecounter_read(), which can be used to get
> high precision timestamp without extra lock.
> 
> It is based on the clock counter register and the
> timecounter/cyclecounter abstraction layer of kernel.
> 
> Signed-off-by: Wu Zhangjin <wuzhangjin@...il.com>
> ---
>  arch/mips/include/asm/time.h |   19 +++++++++++++++++++
>  arch/mips/kernel/csrc-r4k.c  |   41 +++++++++++++++++++++++++++++++++++++++++
>  arch/mips/kernel/time.c      |    2 ++

Some patches touch core tracing code, and some are arch specific. Now
the question is how do we go. I prefer that we go the path of the
tracing tree (easier for me to test). But every patch that touches MIPS
arch, needs an Acked-by from the MIPS maintainer. Which I see is Ralf
(on the Cc of this patch set.)

Thanks,

-- Steve


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