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From: Keith Owens <kaos@ocs.com.au>
To: Kalin KOZHUHAROV <kalin@thinrope.net>
cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] kbuild: fix make -jN with multiple targets with make O=... 
In-reply-to: Your message of "Mon, 16 Jan 2006 11:09:51 +0900."
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Date: Mon, 16 Jan 2006 13:24:03 +1100
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Kalin KOZHUHAROV (on Mon, 16 Jan 2006 11:09:51 +0900) wrote:
>Sam Ravnborg wrote:
>> [It is pushed out at:
>> git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild.git]
>> 
>> The way multiple targets was handled with make O=...
>> broke because for each high-level target make spawned
>> a parallel make resulting in a broken build.
>> Reported by Keith Owens <kaos@ocs.com.au>
>
>When did it break? Are any of the released (not -git) kernels affected?

2.6.15 has the problem.  It only triggers with the combination of a
separate object directory _and_ multiple targets on the make command
line _and_ running make in parallel (make -j).