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

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Message-ID: <20151211144541.GT8644@n2100.arm.linux.org.uk>
Date:	Fri, 11 Dec 2015 14:45:41 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Steven Rostedt <rostedt@...dmis.org>
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, 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
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.

-- 
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
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