From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Luis R. Rodriguez" <mcgrof@suse.com>
Subject: Re: [PATCH v3 RESEND] 2/2] x86, arm, platform, xen, kconfig: add
	xen defconfig helper
Date: Wed, 11 Feb 2015 02:08:35 +0100
Message-ID: <20150211010835.GK19988@wotan.suse.de>
References: <1423614201-30822-1-git-send-email-mcgrof@do-not-panic.com> <1423614201-30822-3-git-send-email-mcgrof@do-not-panic.com> <alpine.DEB.2.10.1502101645390.5692@chino.kir.corp.google.com>
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Cc: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>,
	Andrew Morton <akpm@linux-foundation.org>, mingo@redhat.com,
	tglx@linutronix.de, hpa@zytor.com, josh@joshtriplett.org,
	mmarek@suse.cz, sam@ravnborg.org, stefano.stabellini@eu.citrix.com,
	bpoirier@suse.de, x86@kernel.org, kvm@vger.kernel.org,
	xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
	julien.grall@linaro.org, Borislav Petkov <bp@suse.de>,
	Pekka Enberg <penberg@kernel.org>,
	Randy Dunlap <rdunlap@infradead.org>, levinsasha928@gmail.com,
	mtosatti@redhat.com, fengguang.wu@intel.com,
	David Vrabel <david.vrabel@citrix.com>,
	Ian Campbell <Ian.Campbell@citrix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: David Rientjes <rientjes@google.com>
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On Tue, Feb 10, 2015 at 04:49:13PM -0800, David Rientjes wrote:
> On Tue, 10 Feb 2015, Luis R. Rodriguez wrote:
> 
> > From: "Luis R. Rodriguez" <mcgrof@suse.com>
> > 
> > This lets you build a kernel which can support xen dom0
> > or xen guests by just using:
> > 
> >    make xenconfig
> > 
> > on both x86 and arm64 kernels. This also splits out the
> > options which are available currently to be built with x86
> > and 'make ARCH=arm64' under a shared config.
> > 
> > Technically xen supports a dom0 kernel and also a guest
> > kernel configuration but upon review with the xen team
> > since we don't have many dom0 options its best to just
> > combine these two into one.
> > 
> 
> This doesn't work because neither CONFIG_HYPERVISOR_GUEST in 
> arch/x86/configs/xen.config nor CONFIG_PARAVIRT in 
> kernel/configs/xen.config get enabled.
> 
> make kvmconfig does this appropriately.
> 
> You can test this with make {allno,def}config; make xenconfig.  Notice 
> there's no difference with your patchset.

Thanks, I'll fix.

 Luis