[PATCH 2/3] arm32: kvm: rename CONFIG_KVM_ARM_MAX_VCPUS
Gleb Natapov
gleb at redhat.com
Sun Sep 15 05:30:02 EDT 2013
On Sat, Sep 14, 2013 at 02:10:55PM +0200, Andrew Jones wrote:
> Drop the _ARM_ part of the name. We can then introduce a config option
> like this to aarch64 and other arches using the same name - allowing
> grep to show them all. Also update the help text to describe the option
> more completely.
>
> Signed-off-by: Andrew Jones <drjones at redhat.com>
> ---
> arch/arm/include/asm/kvm_host.h | 4 ++--
> arch/arm/kvm/Kconfig | 8 ++++----
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
> index 7d22517d80711..c614d3eb176c6 100644
> --- a/arch/arm/include/asm/kvm_host.h
> +++ b/arch/arm/include/asm/kvm_host.h
> @@ -25,8 +25,8 @@
> #include <asm/fpstate.h>
> #include <kvm/arm_arch_timer.h>
>
> -#if defined(CONFIG_KVM_ARM_MAX_VCPUS)
> -#define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
> +#if defined(CONFIG_KVM_MAX_VCPUS)
> +#define KVM_MAX_VCPUS CONFIG_KVM_MAX_VCPUS
> #else
> #define KVM_MAX_VCPUS 0
> #endif
> diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig
> index ebf5015508b52..de63bfccb3eb5 100644
> --- a/arch/arm/kvm/Kconfig
> +++ b/arch/arm/kvm/Kconfig
> @@ -40,16 +40,16 @@ config KVM_ARM_HOST
> ---help---
> Provides host support for ARM processors.
>
> -config KVM_ARM_MAX_VCPUS
> +config KVM_MAX_VCPUS
> int "Number maximum supported virtual CPUs per VM"
> depends on KVM_ARM_HOST
> default 4
> help
> Static number of max supported virtual CPUs per VM.
>
> - If you choose a high number, the vcpu structures will be quite
> - large, so only choose a reasonable number that you expect to
> - actually use.
I do no see why on ARM vcpu structure size depends on KVM_ARM_MAX_VCPUS.
Can somebody point me to it.
> + The default is set to the highest number of vcpus that
> + current hardware supports. Set to a lower number to save
> + some resources. Set to a higher number to test scalability.
>
> config KVM_ARM_VGIC
> bool "KVM support for Virtual GIC"
> --
> 1.8.1.4
--
Gleb.
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