[PATCH] arm64: KVM: Kconfig integration

[pbonzini@redhat.com (Paolo Bonzini)]

Il 04/07/2013 14:02, Marc Zyngier ha scritto:
> Finally plug KVM/arm64 into the config system, making it possible
> to enable KVM support on AArch64 CPUs.
> 
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
>  arch/arm64/Kconfig              |  2 ++
>  arch/arm64/kernel/asm-offsets.c |  1 +
>  arch/arm64/kvm/Kconfig          | 54 +++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 57 insertions(+)
>  create mode 100644 arch/arm64/kvm/Kconfig
> 
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 4143d9b..9737e97 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -270,6 +270,8 @@ source "drivers/Kconfig"
>  
>  source "fs/Kconfig"
>  
> +source "arch/arm64/kvm/Kconfig"
> +
>  source "arch/arm64/Kconfig.debug"
>  
>  source "security/Kconfig"
> diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
> index 49c162c..666e231 100644
> --- a/arch/arm64/kernel/asm-offsets.c
> +++ b/arch/arm64/kernel/asm-offsets.c
> @@ -21,6 +21,7 @@
>  #include <linux/sched.h>
>  #include <linux/mm.h>
>  #include <linux/dma-mapping.h>
> +#include <linux/kvm_host.h>
>  #include <asm/thread_info.h>
>  #include <asm/memory.h>
>  #include <asm/cputable.h>
> diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
> new file mode 100644
> index 0000000..84f54f0
> --- /dev/null
> +++ b/arch/arm64/kvm/Kconfig
> @@ -0,0 +1,54 @@
> +#
> +# KVM configuration
> +#
> +
> +source "virt/kvm/Kconfig"
> +
> +menuconfig VIRTUALIZATION
> +	bool "Virtualization"
> +	---help---
> +	  Say Y here to get to see options for using your Linux host to run
> +	  other operating systems inside virtual machines (guests).
> +	  This option alone does not add any kernel code.
> +
> +	  If you say N, all options in this submenu will be skipped and
> +	  disabled.
> +
> +if VIRTUALIZATION
> +
> +config KVM
> +	bool "Kernel-based Virtual Machine (KVM) support"
> +	select MMU_NOTIFIER
> +	select PREEMPT_NOTIFIERS
> +	select ANON_INODES
> +	select KVM_MMIO
> +	select KVM_ARM_HOST
> +	select KVM_ARM_VGIC
> +	select KVM_ARM_TIMER
> +	---help---
> +	  Support hosting virtualized guest machines.
> +
> +	  This module provides access to the hardware capabilities through
> +	  a character device node named /dev/kvm.
> +
> +	  If unsure, say N.
> +
> +config KVM_ARM_HOST
> +	bool
> +	---help---
> +	  Provides host support for ARM processors.
> +
> +config KVM_ARM_VGIC
> +        bool

Spaces instead of tabs (another occurrence below).

Paolo

> +	depends on KVM_ARM_HOST && OF
> +	select HAVE_KVM_IRQCHIP
> +	---help---
> +	  Adds support for a hardware assisted, in-kernel GIC emulation.
> +
> +config KVM_ARM_TIMER
> +        bool
> +	depends on KVM_ARM_VGIC
> +	---help---
> +	  Adds support for the Architected Timers in virtual machines
> +
> +endif # VIRTUALIZATION
>