linux-kernel - Re: [PATCH] SGI IA64 UV: fix ia64 build error in the linux-next tree

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Date:	Wed, 11 Feb 2009 21:25:12 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	Dean Nelson <dcn@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>,
	linux-ia64 <linux-ia64@...r.kernel.org>,
	linux-next <linux-next@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] SGI IA64 UV: fix ia64 build error in the linux-next tree


* Luck, Tony <tony.luck@...el.com> wrote:

> > What question was that? Folding back across that distance is not possible
> > in a Git workflow. I do regular cross-builds - the build bug did not trigger
> > with the ia64 defconfig.
> 
> I'm confused by this, as it definitely triggered for me.  Perhaps
> my build scripts do things a bit differently.  Essentially I do:
> 
>         $ for c in `ls arch/ia64/configs`
>         > do
>         >       cp arch/ia64/configs/$i .config
>         >       yes '' | make oldconfig
>         >       make
>         > done
> 
> Which takes the default answer for any new questions that crop
> up.  This enabled the GRU driver in the case of the generic_defconfig,
> and so the build failed because of the lack of asm/uv.h

hm, my build scripts do (in essence):

 make mrproper
 make ARCH=ia64 defconfig

hm, GRU is enabled as a module. I generally build the =y items, i.e. the
vmlinux. There's around 20 thousand modules enabled in various defconfigs,
that's a _lot_ of time to build.

	Ingo
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