Re: [tip:x86/urgent] x86/kconfig: Add a Kconfig shortcut for building working KVM guest kernels

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On Fri, May 03, 2013 at 12:09:36PM -0700, H. Peter Anvin wrote:
> Actually it is called:
> 
> KCONFIG_ALLCONFIG=kvm_guest.config make allnoconfig

I guess we can do something like this - it is kinda noisy currently and
requires a previously present .config in $objtree to work.

---
 arch/x86/Makefile                 |  5 +++++
 arch/x86/configs/kvm_guest.config | 28 ++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 arch/x86/configs/kvm_guest.config

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 5c477260294f..6f9c03ed999e 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -220,6 +220,11 @@ archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
 	$(Q)$(MAKE) $(clean)=arch/x86/tools
 
+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 arch/x86/configs/kvm_guest.config
+	$(Q)yes "n" | $(MAKE) oldconfig
+
 define archhelp
   echo  '* bzImage      - Compressed kernel image (arch/x86/boot/bzImage)'
   echo  '  install      - Install kernel using'
diff --git a/arch/x86/configs/kvm_guest.config b/arch/x86/configs/kvm_guest.config
new file mode 100644
index 000000000000..2ac38a390db3
--- /dev/null
+++ b/arch/x86/configs/kvm_guest.config
@@ -0,0 +1,28 @@
+CONFIG_NET=y
+CONFIG_NET_CORE=y
+CONFIG_NETDEVICES=y
+CONFIG_BLOCK=y
+CONFIG_BLK_DEV=y
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_INET=y
+CONFIG_TTY=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_BINFMT_ELF=y
+CONFIG_PCI=y
+CONFIG_PCI_MSI=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_KGDB=y
+CONFIG_KGDB_SERIAL_CONSOLE=y
+CONFIG_VIRTUALIZATION=y
+CONFIG_VIRTIO=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_VIRTIO_NET=y
+CONFIG_9P_FS=y
+CONFIG_NET_9P=y
+CONFIG_NET_9P_VIRTIO=y
-- 
1.8.3.rc0

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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