From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id AEC6F1A04D3 for ; Thu, 17 Sep 2015 13:19:20 +1000 (AEST) Date: Wed, 16 Sep 2015 22:18:54 -0500 From: Segher Boessenkool To: Michael Ellerman Cc: Steven Rostedt , Scott Wood , Thomas Gleixner , linuxppc-dev@lists.ozlabs.org Subject: Re: [BUG] Revert 0b05e2d671c4 'powerpc/32: cacheable_memcpy becomes memcpy' Message-ID: <20150917031854.GA31437@gate.crashing.org> References: <1442420984.2909.179.camel@freescale.com> <20150916215435.48bee4d3@grimm.local.home> <1442458212.8456.2.camel@ellerman.id.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1442458212.8456.2.camel@ellerman.id.au> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Sep 17, 2015 at 12:50:12PM +1000, Michael Ellerman wrote: > On Wed, 2015-09-16 at 21:54 -0400, Steven Rostedt wrote: > > This could be a symptom and not the problem. What the above shows is > > that ftrace tried to convert the mcount at change_protection but what > > it expected was there wasn't. Unfortunately, it doesn't state exactly > > what it wants (that would take a arch specific function to do that, and > > this is in generic code). But what it found was "74 66 74 70", which I > > have no idea what type of command that is. > > This is big endian, so I think that's: > > andis. r6,r3,29808 > > Which is feasible. It also says "tftp", which is intriguing if nothing else :-) Segher