Re: [Xen-devel] [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

> Only thing I am thinking is about KVM_FEATURE_PV_UNHALT, and
> KVM_HC_KICK_CPU definition in the below hunk, that is needed by guest
> as well. may be this header file change can be a separate patch so that
> duplicate can be handled easily during merge?

Sure, good idea.

Paolo

> I do testing of all combination after splitting and post.

> diff --git a/arch/x86/include/uapi/asm/kvm_para.h
> b/arch/x86/include/uapi/asm/kvm_para.h
> index 06fdbd9..94dc8ca 100644
> --- a/arch/x86/include/uapi/asm/kvm_para.h
> +++ b/arch/x86/include/uapi/asm/kvm_para.h
> @@ -23,6 +23,7 @@
>   #define KVM_FEATURE_ASYNC_PF           4
>   #define KVM_FEATURE_STEAL_TIME         5
>   #define KVM_FEATURE_PV_EOI             6
> +#define KVM_FEATURE_PV_UNHALT          7
> 
> diff --git a/include/uapi/linux/kvm_para.h b/include/uapi/linux/kvm_para.h
> index cea2c5c..2841f86 100644
> --- a/include/uapi/linux/kvm_para.h
> +++ b/include/uapi/linux/kvm_para.h
> @@ -19,6 +19,7 @@
>   #define KVM_HC_MMU_OP                  2
>   #define KVM_HC_FEATURES                        3
>   #define KVM_HC_PPC_MAP_MAGIC_PAGE      4
> +#define KVM_HC_KICK_CPU                        5
> 
> 
> 

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