Re: [PATCH v2 19/27] KVM: x86/mmu: Move KVM-only page-track declarations to internal header

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On Fri, Mar 10, 2023 at 04:22:50PM -0800, Sean Christopherson wrote:
> Bury the declaration of the page-track helpers that are intended only for
> internal KVM use in a "private" header.  In addition to guarding against
> unwanted usage of the internal-only helpers, dropping their definitions
> avoids exposing other structures that should be KVM-internal, e.g. for
> memslots.  This is a baby step toward making kvm_host.h a KVM-internal
> header in the very distant future.
> 
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> ---
>  arch/x86/include/asm/kvm_page_track.h | 26 ++++-----------------
>  arch/x86/kvm/mmu/mmu.c                |  3 ++-
>  arch/x86/kvm/mmu/page_track.c         |  8 +------
>  arch/x86/kvm/mmu/page_track.h         | 33 +++++++++++++++++++++++++++
>  arch/x86/kvm/x86.c                    |  1 +
>  5 files changed, 42 insertions(+), 29 deletions(-)
>  create mode 100644 arch/x86/kvm/mmu/page_track.h
> 
> diff --git a/arch/x86/include/asm/kvm_page_track.h b/arch/x86/include/asm/kvm_page_track.h
> index e5eb98ca4fce..deece45936a5 100644
> --- a/arch/x86/include/asm/kvm_page_track.h
> +++ b/arch/x86/include/asm/kvm_page_track.h

A curious question:
are arch/x86/include/asm/kvm_*.h all expected to be external accessible?

Thanks
Yan




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