linux-kernel - Re: [PATCH] scripts: recordmcount: break hardlinks

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Date:	Fri, 11 Dec 2015 10:08:36 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Michal Marek <mmarek@...e.cz>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Måns Rullgård <mans@...sr.com>,
	Arnd Bergmann <arnd@...db.de>, linux-kbuild@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, Nicolas Pitre <nico@...xnic.net>,
	Stephen Boyd <sboyd@...eaurora.org>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] scripts: recordmcount: break hardlinks

On Fri, 11 Dec 2015 14:45:41 +0000
Russell King - ARM Linux <linux@....linux.org.uk> wrote:

> On Fri, Dec 11, 2015 at 09:31:25AM -0500, Steven Rostedt wrote:
> > On Fri, 11 Dec 2015 12:09:03 +0000
> > Russell King <rmk+kernel@....linux.org.uk> wrote:
> >   
> > > recordmcount edits the file in-place, which can cause problems when
> > > using ccache in hardlink mode.  Arrange for recordmcount to break a
> > > hardlinked object.
> > > 
> > > Signed-off-by: Russell King <rmk+kernel@....linux.org.uk>
> > > ---
> > > Steven, sorry it took a while to get this out...  
> > 
> > Should this be for stable, or is it fine to just add this to my 4.5
> > queue?  
> 
> I thought you wanted to test it first - although I've been running with

You're right. I forgot I said that ;-)


> this for a while now, my nightly builds have masked out the mcount
> warning, and I suspect it'll take a while for ccache to purge itself
> of the modified objects.
> 
> If you're happy to add a stable tag to it, then please do so.
> 

I'm fine with you taking it too, but let me go ahead and run it through
my tests now. I'll let you know the results. Takes several hours.

Thanks,

-- Steve

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