[PATCH v2 1/3] x86, platform, xen, kconfig: move kvmconfig functionality to a helper

["Luis R. Rodriguez" <mcgrof@do-not-panic.com>]

From: "Luis R. Rodriguez" <mcgrof@suse.com>

This can then be used by other virtual configs.

Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
---
 arch/x86/Makefile | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 33f71b0..c78747b 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -250,11 +250,15 @@ archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
 	$(Q)$(MAKE) $(clean)=arch/x86/tools
 
+define build-virtconfig
+$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
+$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(srctree)/arch/x86/configs/$(1)
+$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
+endef
+
 PHONY += kvmconfig
 kvmconfig:
-	$(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(srctree)/arch/x86/configs/kvm_guest.config
-	$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
+	$(call build-virtconfig,kvm_guest.config)
 
 define archhelp
   echo  '* bzImage      - Compressed kernel image (arch/x86/boot/bzImage)'
-- 
2.0.0.rc3.18.g00a5b79