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Subject[tip:x86/urgent] x86/kconfig: Add a Kconfig shortcut for building working KVM guest kernels
Commit-ID:  83aee67833071c7b73a83f7803388f7a9e481908
Gitweb: http://git.kernel.org/tip/83aee67833071c7b73a83f7803388f7a9e481908
Author: Borislav Petkov <bp@alien8.de>
AuthorDate: Fri, 26 Apr 2013 11:51:40 +0200
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 30 Apr 2013 11:00:11 +0200

x86/kconfig: Add a Kconfig shortcut for building working KVM guest kernels

This is pretty useful for the case where people want to boot the
resulting kernel in qemu/kvm or lkvm. Instead of going and
searching for each required option through the Kconfig maze,
this single option should simply enable everything required/good
to have to boot the resulting kernel in the guest.

Patch has been adapted from a version in the external lkvm tree.

Originally-by: Pekka Enberg <penberg@kernel.org>
Originally-by: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Sasha Levin <levinsasha928@gmail.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Link: http://lkml.kernel.org/r/20130426095140.GA15361@pd.tnic
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/Kconfig | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 15b5cef..1d053dc 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -633,6 +633,45 @@ config KVM_GUEST
underlying device model, the host provides the guest with
timing infrastructure such as time of day, and system time

+config KVM_GUEST_COMMON_OPTIONS
+ bool "Enable commodity options for a standalone KVM guest"
+ depends on KVM_GUEST
+ select NET
+ select NETDEVICES
+ select BLOCK
+ select BLK_DEV
+ select NETWORK_FILESYSTEMS
+ select INET
+ select EXPERIMENTAL
+ select TTY
+ select SERIAL_8250
+ select SERIAL_8250_CONSOLE
+ select IP_PNP
+ select IP_PNP_DHCP
+ select BINFMT_ELF
+ select PCI_MSI
+ select HAVE_ARCH_KGDB
+ select DEBUG_KERNEL
+ select KGDB
+ select KGDB_SERIAL_CONSOLE
+ select VIRTUALIZATION
+ select VIRTIO
+ select VIRTIO_RING
+ select VIRTIO_PCI
+ select VIRTIO_BLK
+ select VIRTIO_CONSOLE
+ select VIRTIO_NET
+ select 9P_FS
+ select NET_9P
+ select NET_9P_VIRTIO
+ ---help---
+ Select guest kernel functionality which facilitates booting the
+ kernel as a guest in qemu or lkvm. This entails basic stuff like
+ serial support, kgdb, virtio and other so that you can be able to
+ have commodity functionality like serial output from the guest,
+ networking, seamless host file system integration into guest context
+ and other useful things.
+
source "arch/x86/lguest/Kconfig"

config PARAVIRT

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