linux-kernel - Re: [PATCH] arm: ftrace: Adds support for ftrace operations

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Message-ID: <CACh+v5Phr-yA8c_bnooR8eLyEpmiMDwCGi2Oy8ArQayuRbeczA@mail.gmail.com>
Date:	Thu, 27 Nov 2014 11:23:45 +0100
From:	Jean-Jacques Hiblot <jjhiblot@...phandler.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	nsekhar@...com,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	mingo@...hat.com, Christoffer Dall <christoffer.dall@...aro.org>,
	jslaby@...e.cz,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] arm: ftrace: Adds support for ftrace operations

2014-11-26 0:20 GMT+01:00 Steven Rostedt <rostedt@...dmis.org>:
> On Mon, 24 Nov 2014 10:59:24 +0100
> Jean-Jacques Hiblot <jjhiblot@...phandler.com> wrote:
>
>> Hi Steve,
>> did you get a chance of running your tests suite on real hardware with
>> this patch? I'd be really interested in the results.
>
> Yes I finally got it working on my beaglebone white. It passed all the
> tests that passed without it. Although I'm not sure this patch itself
> was tested as I didn't have kprobes which might use it.
>
Thanks for testing it. At least it doesn't cause regression.
What do you mean by not having krpobes which might use it ? Are you
thinking of the kprobe optimization based on ftrace ?

JJ

> -- Steve
>
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