linux-kernel - [PATCH v2 20/21] x86/xen: enable PVHVM-only builds

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Message-Id: <20170302175357.8222-21-vkuznets@redhat.com>
Date:   Thu,  2 Mar 2017 18:53:56 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     xen-devel@...ts.xenproject.org
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Andrew Jones <drjones@...hat.com>
Subject: [PATCH v2 20/21] x86/xen: enable PVHVM-only builds

Now everything is in place and we can move PV-only code under
CONFIG_XEN_PV. CONFIG_XEN_PV_SMP is created to support the change.

Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
---
 arch/x86/xen/Kconfig  | 4 ++++
 arch/x86/xen/Makefile | 9 +++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
index 04284d9..aa8256b 100644
--- a/arch/x86/xen/Kconfig
+++ b/arch/x86/xen/Kconfig
@@ -21,6 +21,10 @@ config XEN_PV
 	help
 	  Support running as a Xen PV guest.
 
+config XEN_PV_SMP
+	def_bool y
+	depends on XEN_PV && SMP
+
 config XEN_DOM0
 	bool "Xen PV Dom0 support"
 	default y
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile
index f610651..fffb0a1 100644
--- a/arch/x86/xen/Makefile
+++ b/arch/x86/xen/Makefile
@@ -12,16 +12,17 @@ CFLAGS_mmu_pv.o		:= $(nostackp)
 
 obj-y		:= enlighten.o multicalls.o mmu.o irq.o \
 			time.o xen-asm.o xen-asm_$(BITS).o \
-			grant-table.o suspend.o platform-pci-unplug.o \
-			p2m.o enlighten_pv.o mmu_pv.o
+			grant-table.o suspend.o platform-pci-unplug.o
 
 obj-$(CONFIG_XEN_PVHVM)		+= enlighten_hvm.o mmu_hvm.o suspend_hvm.o
-obj-$(CONFIG_XEN_PV)			+= setup.o apic.o pmu.o suspend_pv.o
+obj-$(CONFIG_XEN_PV)			+= setup.o apic.o pmu.o suspend_pv.o \
+						p2m.o enlighten_pv.o mmu_pv.o
 obj-$(CONFIG_XEN_PVH)			+= enlighten_pvh.o
 
 obj-$(CONFIG_EVENT_TRACING) += trace.o
 
-obj-$(CONFIG_SMP)		+= smp.o smp_pv.o
+obj-$(CONFIG_SMP)		+= smp.o
+obj-$(CONFIG_XEN_PV_SMP)  	+= smp_pv.o
 obj-$(CONFIG_XEN_PVHVM_SMP)  	+= smp_hvm.o
 obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= spinlock.o
 obj-$(CONFIG_XEN_DEBUG_FS)	+= debugfs.o
-- 
2.9.3