linux-kernel - Re: [PATCH v4 21/21] KVM: arm64: Make __pkvm_create

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Date:   Tue, 10 Aug 2021 06:55:00 +0200
From:   Fuad Tabba <tabba@...gle.com>
To:     Quentin Perret <qperret@...gle.com>
Cc:     maz@...nel.org, james.morse@....com, alexandru.elisei@....com,
        suzuki.poulose@....com, catalin.marinas@....com, will@...nel.org,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        linux-kernel@...r.kernel.org, ardb@...nel.org, qwandor@...gle.com,
        dbrazdil@...gle.com, kernel-team@...roid.com
Subject: Re: [PATCH v4 21/21] KVM: arm64: Make __pkvm_create_mappings static

Hi Quentin,

On Mon, Aug 9, 2021 at 5:25 PM Quentin Perret <qperret@...gle.com> wrote:
>
> The __pkvm_create_mappings() function is no longer used outside of
> nvhe/mm.c, make it static.
>
> Signed-off-by: Quentin Perret <qperret@...gle.com>
> ---

Reviewed-by: Fuad Tabba <tabba@...gle.com>

Thanks,
/fuad

>  arch/arm64/kvm/hyp/include/nvhe/mm.h | 2 --
>  arch/arm64/kvm/hyp/nvhe/mm.c         | 4 ++--
>  2 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/kvm/hyp/include/nvhe/mm.h b/arch/arm64/kvm/hyp/include/nvhe/mm.h
> index c76d7136ed9b..c9a8f535212e 100644
> --- a/arch/arm64/kvm/hyp/include/nvhe/mm.h
> +++ b/arch/arm64/kvm/hyp/include/nvhe/mm.h
> @@ -24,8 +24,6 @@ int hyp_back_vmemmap(phys_addr_t phys, unsigned long size, phys_addr_t back);
>  int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot);
>  int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot);
>  int pkvm_create_mappings_locked(void *from, void *to, enum kvm_pgtable_prot prot);
> -int __pkvm_create_mappings(unsigned long start, unsigned long size,
> -                          unsigned long phys, enum kvm_pgtable_prot prot);
>  unsigned long __pkvm_create_private_mapping(phys_addr_t phys, size_t size,
>                                             enum kvm_pgtable_prot prot);
>
> diff --git a/arch/arm64/kvm/hyp/nvhe/mm.c b/arch/arm64/kvm/hyp/nvhe/mm.c
> index 6fbe8e8030f6..2fabeceb889a 100644
> --- a/arch/arm64/kvm/hyp/nvhe/mm.c
> +++ b/arch/arm64/kvm/hyp/nvhe/mm.c
> @@ -23,8 +23,8 @@ u64 __io_map_base;
>  struct memblock_region hyp_memory[HYP_MEMBLOCK_REGIONS];
>  unsigned int hyp_memblock_nr;
>
> -int __pkvm_create_mappings(unsigned long start, unsigned long size,
> -                         unsigned long phys, enum kvm_pgtable_prot prot)
> +static int __pkvm_create_mappings(unsigned long start, unsigned long size,
> +                                 unsigned long phys, enum kvm_pgtable_prot prot)
>  {
>         int err;
>
> --
> 2.32.0.605.g8dce9f2422-goog
>