linux-kernel - Re: [PATCH 3/4] ftrace syscalls: Allow arch specific syscall symbol matching

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Date:	Fri, 14 May 2010 12:06:41 +1000
From:	Ian Munsie <imunsie@....ibm.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Jason Baron <jbaron@...hat.com>
Subject: Re: [PATCH 3/4] ftrace syscalls: Allow arch specific syscall symbol matching

Excerpts from Benjamin Herrenschmidt's message of Fri May 14 09:54:56 +1000 2010:
> On Thu, 2010-05-13 at 17:43 +1000, Ian Munsie wrote:
> > From: Ian Munsie <imunsie@....ibm.com>
> > 
> > Some architectures have unusual symbol names and the generic code to
> > match the symbol name with the function name for the syscall metadata
> > will fail. For example, symbols on PPC64 start with a period and the
> > generic code will fail to match them.
> > 
> > This patch splits out the match logic into a standalone weak function
> > that can be overridden on archs with unusual symbol names.
> > 
> > Signed-off-by: Ian Munsie <imunsie@....ibm.com>
> > ---
> 
> Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> ---
> 
> Ian, I assume you will implement the support for the "special" ppc_*
> syscalls via a subsequent patch and not a respin of this one right ?
> 
> Cheers,
> Ben.

Yes, that will be in a separate patch or two.

Cheers,
-Ian
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