Re: [PATCH 1/4] powerpc: lookup_linux_pte has been made public

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On Mon, Feb 11, 2013 at 11:12:40PM +1100, aik@xxxxxxxxx wrote:
> From: Alexey Kardashevskiy <aik@xxxxxxxxx>
> 
> The lookup_linux_pte() function returns a linux PTE which
> is required to convert KVM guest physical address into host real
> address in real mode.
> 
> This convertion will be used by upcoming support of H_PUT_TCE_INDIRECT
> as TCE list address comes from the guest directly so it is a guest
> physical.
> 
> Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
> Cc: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>
> ---
>  arch/powerpc/include/asm/pgtable-ppc64.h |    3 +++
>  arch/powerpc/kvm/book3s_hv_rm_mmu.c      |    4 ++--
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
> index 0182c20..ddcc898 100644
> --- a/arch/powerpc/include/asm/pgtable-ppc64.h
> +++ b/arch/powerpc/include/asm/pgtable-ppc64.h
> @@ -377,6 +377,9 @@ static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea,
>  }
>  #endif /* !CONFIG_HUGETLB_PAGE */
>  
> +pte_t lookup_linux_pte(pgd_t *pgdir, unsigned long hva,
> +		int writing, unsigned long *pte_sizep);
> +

This seems a slightly odd place to put the declaration of a function
which is defined in the KVM code.  kvm-ppc.h might be a better place.

Paul.
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