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

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Message-ID: <alpine.DEB.2.02.1305011705001.25497@chino.kir.corp.google.com>
Date:	Wed, 1 May 2013 17:07:00 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Borislav Petkov <bp@...en8.de>
cc:	Ingo Molnar <mingo@...nel.org>, "H. Peter Anvin" <hpa@...or.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

On Thu, 2 May 2013, Borislav Petkov wrote:

> See, we could've saved ourselves all the bullshit if you had started
> with the above.
> 

I had thought 

warning: (KVM_GUEST_COMMON_OPTIONS && AMD_IOMMU) selects PCI_MSI which has unmet direct dependencies (PCI && ARCH_SUPPORTS_MSI)

was obvious.

> I'll add those to the lineup:
> 
> select PCI
> select NET_CORE
> select X86_IO_APIC
> select X86_LOCAL_APIC
> 

No, you want to depend on X86_IO_APIC and X86_LOCAL_APIC, otherwise you'll 
just face the same issue one level deeper.
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