linux-kernel - Re: Makefile race between jobs

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Message-ID: <50C5B9D9.1080208@suse.cz>
Date:	Mon, 10 Dec 2012 11:30:49 +0100
From:	Michal Marek <mmarek@...e.cz>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	Noam Camus <noamc@...hip.com>,
	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>
Subject: Re: Makefile race between jobs

On 10.12.2012 11:11, Vineet Gupta wrote:
> ARC Port caches current task pointer in a register - thus we have a
> global asm register definition in current.h
> In the past, a customer ran into issue when porting some "really
> portable" code to kernel - such that asm/current.h didn't make it into
> the build of their module - via normal header includes - strange but
> true. Thus forcing current.h via way of -include seemed like a
> safe/sensible way.

To me that sounds like either an arc header is using the define but
lacking an include of asm/current.h, or the code is lacking asm/current.h.

Michal
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