linux-kernel - Re: [tip:x86/urgent] x86/kconfig: Add a Kconfig shortcut for building working KVM guest kernels

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Message-ID: <20130502194326.GA3553@gmail.com>
Date:	Thu, 2 May 2013 21:43:26 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Borislav Petkov <bp@...en8.de>,
	David Rientjes <rientjes@...gle.com>,
	linux-kernel@...r.kernel.org, Pekka Enberg <penberg@...nel.org>,
	levinsasha928@...il.com, mtosatti@...hat.com, tglx@...utronix.de,
	Borislav Petkov <bp@...e.de>, fengguang.wu@...el.com,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/urgent] x86/kconfig:  Add a Kconfig shortcut for
 building working KVM guest kernels


* H. Peter Anvin <hpa@...or.com> wrote:

> > That should be possible here as well, driven by any weird randconfig 
> > build failures that get found. Such a set of selects quickly 
> > converges.
> 
> The problem is that it is a moving target.  We really need a 
> dependency-resolving version of select.

Dependencies are always a moving target - sometimes config names change, 
new dependencies come in.

I've maintained a similar solution for years, and once the initial list of 
selects has settled it's a low maintenance overhead thing.

Thanks,

	Ingo
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