On 08/06/2012 10:33 AM, Rusty Russell wrote:
> This uses a fixed feature bitmap for simplicity: 224 features should
> be enough for anyone!
>
> QEMU now needs to explicitly state what CPU a guest vcpu has, and what
> optional features (currently, none are defined, but this could be used
> to suppress VFP, debug, etc).
>
> Once we know the target (which currently must be 0xCOF), we do the
> vcpu reset; trying to run without that will -ENOEXEC.
>
> Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
>
> diff --git a/arch/arm/include/asm/kvm.h b/arch/arm/include/asm/kvm.h
> index 54f301d..6513059 100644
> --- a/arch/arm/include/asm/kvm.h
> +++ b/arch/arm/include/asm/kvm.h
> @@ -68,6 +68,14 @@ struct kvm_regs {
>
> };
>
> +/* Supported Processor Types */
> +#define KVM_ARM_TARGET_CORTEX_A15 (0xC0F)
> +
> +struct kvm_vcpu_init {
> + __u32 target;
> + __u32 features[7];
> +};
> +
Needs an entry in Documentation/virtual/kvm/api.txt.
Are there other arm-specific interfaces that want documenting?
--
error compiling committee.c: too many arguments to function
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