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

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Date:	Fri, 3 May 2013 10:19:20 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	"H. Peter Anvin" <hpa@...or.com>
cc:	Borislav Petkov <bp@...en8.de>, Michal Marek <mmarek@...e.cz>,
	Randy Dunlap <rdunlap@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	linux-kernel@...r.kernel.org, penberg@...nel.org,
	levinsasha928@...il.com, mtosatti@...hat.com, tglx@...utronix.de,
	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

On Fri, 3 May 2013, H. Peter Anvin wrote:

> For minimal you'd probably use yes n | ...
> 

Works fine unless kvm_guest.config enables an option that requires a 
numbered choice, such as CONFIG_EXPERT enabling the the ability to select 
CONFIG_SLOB from the list of allocators.  Instead of relying on yes(1), 
I think you'll need to modify this custom script to explicitly disable 
remaining options and select the default when there's a choice.
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