Re: [PATCH] x86: Add a Kconfig shortcut for a kvm-bootable kernel

Randy Dunlap
2013-04-12T20:08:23Z

On 04/12/13 11:19, Borislav Petkov wrote:
> --
> From efa9a7f7a460bc46d1dd37b691afa88070a34059 Mon Sep 17 00:00:00 2001
> From: Borislav Petkov <bp@suse.de>
> Date: Fri, 12 Apr 2013 20:01:47 +0200
> Subject: [PATCH] x86: Add a Kconfig shortcut for a kvm-bootable kernel
>
> This is pretty useful for the case where people want to boot the
> resulting kernel in qemu/kvm. Instead of going and searching for each
> required option through the Kconfig maze, this single option should
> simply enable all stuff which is required to boot the resulting kernel
> in the guest.
>
> Originally-by: Pekka Enberg <penberg@kernel.org>
> Originally-by: Sasha Levin <levinsasha928@gmail.com>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> Cc: Fengguang Wu <fengguang.wu@intel.com>
> ---
> arch/x86/Kconfig | 37 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 37 insertions(+)
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index 70c0f3da0476..3ca241172812 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -596,6 +596,43 @@ config SCHED_OMIT_FRAME_POINTER
>
> If in doubt, say "Y".
>
> +config KVM_TEST_ENABLE
> + bool "Enable options for a kernel suitable for testing in kvm"
> + select NET
> + select NETDEVICES
> + select PCI
> + 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 stuff which is required for booting the kernel as a guest
> + in qemu/kvm. This entails basic stuff like serial support, kgdb

Use commas, please:

like serial support, kgdb,
9p, virtio, and other basic ...

> + 9p virtio and other basic functionality so that you can be able
> + to have serial output from the guest, networking, etc.
> +
> menuconfig PARAVIRT_GUEST
> bool "Paravirtualized guest support"
> ---help---
>

--
~Randy