Re: [Xen-devel] [RFC PATCH v4 1/7] xen/pvh: Split CONFIG_XEN_PVH into CONFIG_PVH and CONFIG_XEN_PVH

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 02/28/2018 01:27 PM, Maran Wilson wrote:
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index eb7f43f23521..fa7cd0305125 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -791,6 +791,14 @@ config KVM_GUEST
>         underlying device model, the host provides the guest with
>         timing infrastructure such as time of day, and system time
>  
> +config PVH
> +     bool "Support for running PVH guests"
> +     depends on KVM_GUEST || XEN


Not sure about XEN part. PVH is selected by XEN_PVH for Xen.

What about introducing KVM_GUEST_PVH that will select PVH and then drop
dependency here?


-boris

> +     def_bool n
> +     ---help---
> +       This option enables the PVH entry point for guest virtual machines
> +       as specified in the x86/HVM direct boot ABI.
> +
>  


> diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig
> index f605825a04ab..021c8591c3c0 100644
> --- a/arch/x86/xen/Kconfig
> +++ b/arch/x86/xen/Kconfig
> @@ -77,8 +77,9 @@ config XEN_DEBUG_FS
>         Enabling this option may incur a significant performance overhead.
>  
>  config XEN_PVH
> -     bool "Support for running as a PVH guest"
> +     bool "Support for running as a Xen PVH guest"
>       depends on XEN && XEN_PVHVM && ACPI
>       # Pre-built page tables are not ready to handle 5-level paging.
>       depends on !X86_5LEVEL
> +     select PVH
>       def_bool n


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