[PATCH 3/3] x86, platform, kconfig: add virtconfig defconfig helper

[Luis R. Rodriguez]

From: "Luis R. Rodriguez" <mcgrof@xxxxxxxx>

This lets you use:

   make virtconfig

to merge you current kernel configuration with options to
enable both kvm and xen (dom0 and guest) requirements.

Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Michal Marek <mmarek@xxxxxxx>
Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: penberg@xxxxxxxxxx
Cc: levinsasha928@xxxxxxxxx
Cc: mtosatti@xxxxxxxxxx
Cc: fengguang.wu@xxxxxxxxx
Cc: David Vrabel <david.vrabel@xxxxxxxxxx>
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxx>
---
 arch/x86/Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 9db34e2..f2df13e 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -262,6 +262,11 @@ xenconfig:
 	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(srctree)/arch/x86/configs/xen.config
 	$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 
+PHONY += virtconfig
+virtconfig:
+	$(Q)$(MAKE) kvmconfig
+	$(Q)$(MAKE) xenconfig
+
 define archhelp
   echo  '* bzImage      - Compressed kernel image (arch/x86/boot/bzImage)'
   echo  '  install      - Install kernel using'
@@ -277,4 +282,5 @@ define archhelp
   echo  '                  FDINITRD=file initrd for the booted kernel'
   echo  '  kvmconfig	- Enable additional options for kvm guest kernel support'
   echo  '  xenconfig    - Enable additional options for xen dom0 and guest kernel support'
+  echo  '  virtconfig   - Enable additional options for kvm and xen kernel support'
 endef
-- 
2.0.0.rc3.18.g00a5b79

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