Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751797AbbBKAtS (ORCPT ); Tue, 10 Feb 2015 19:49:18 -0500 Received: from mail-ie0-f171.google.com ([209.85.223.171]:39585 "EHLO mail-ie0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750918AbbBKAtQ (ORCPT ); Tue, 10 Feb 2015 19:49:16 -0500 Date: Tue, 10 Feb 2015 16:49:13 -0800 (PST) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: "Luis R. Rodriguez" cc: Andrew Morton , 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, mcgrof@suse.com, Borislav Petkov , Pekka Enberg , Randy Dunlap , levinsasha928@gmail.com, mtosatti@redhat.com, fengguang.wu@intel.com, David Vrabel , Ian Campbell , Konrad Rzeszutek Wilk Subject: Re: [PATCH v3 RESEND] 2/2] x86, arm, platform, xen, kconfig: add xen defconfig helper In-Reply-To: <1423614201-30822-3-git-send-email-mcgrof@do-not-panic.com> Message-ID: References: <1423614201-30822-1-git-send-email-mcgrof@do-not-panic.com> <1423614201-30822-3-git-send-email-mcgrof@do-not-panic.com> User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1140 Lines: 32 On Tue, 10 Feb 2015, Luis R. Rodriguez wrote: > From: "Luis R. Rodriguez" > > 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/