linux-kernel - Re: [PATCH v9 07/10] tracing: add dynamic function graph tracer for MIPS

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Message-ID: <20091120172438.GG6869@linux-mips.org>
Date:	Fri, 20 Nov 2009 17:24:38 +0000
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Wu Zhangjin <wuzhangjin@...il.com>
Cc:	rostedt@...dmis.org, Nicholas Mc Guire <der.herr@...r.at>,
	zhangfx@...ote.com, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org
Subject: Re: [PATCH v9 07/10] tracing: add dynamic function graph tracer
	for MIPS

On Fri, Nov 20, 2009 at 08:34:35PM +0800, Wu Zhangjin wrote:

> From: Wu Zhangjin <wuzhangjin@...il.com>
> 
> This patch make function graph tracer work with dynamic function tracer.
> 
> To share the source code of dynamic function tracer(MCOUNT_SAVE_REGS),
> and avoid restoring the whole saved registers, we need to restore the ra
> register from the stack.
> 
> (NOTE: This not work with 32bit! need to ensure why!)
> 
> Signed-off-by: Wu Zhangjin <wuzhangjin@...il.com>

Queued for 2.6.33 but due to patch 3/3 I won't propagate this series
immediately to linux-next.

Thanks!

  Ralf
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