Re: [PATCH 1/4] KVM: arm64: Hide kvm_mmu_wp_memory_region()

From: Keqian Zhu
Date: Mon Mar 15 2021 - 03:50:02 EST


Hi Gavin,

This function is only used by mmu.c in the first commit c64735554c0a, so please feel free
to add:

Reviewed-by: Keqian Zhu <zhukeqian1@xxxxxxxxxx>


Thanks,
Keqian

On 2021/3/15 12:18, Gavin Shan wrote:
> We needn't expose the function as it's only used by mmu.c.
>
> Signed-off-by: Gavin Shan <gshan@xxxxxxxxxx>
> ---
> arch/arm64/include/asm/kvm_host.h | 1 -
> arch/arm64/kvm/mmu.c | 2 +-
> 2 files changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
> index 3d10e6527f7d..688f2df1957b 100644
> --- a/arch/arm64/include/asm/kvm_host.h
> +++ b/arch/arm64/include/asm/kvm_host.h
> @@ -632,7 +632,6 @@ void kvm_arm_resume_guest(struct kvm *kvm);
> })
>
> void force_vm_exit(const cpumask_t *mask);
> -void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot);
>
> int handle_exit(struct kvm_vcpu *vcpu, int exception_index);
> void handle_exit_early(struct kvm_vcpu *vcpu, int exception_index);
> diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
> index 77cb2d28f2a4..84e70f953de6 100644
> --- a/arch/arm64/kvm/mmu.c
> +++ b/arch/arm64/kvm/mmu.c
> @@ -555,7 +555,7 @@ static void stage2_wp_range(struct kvm_s2_mmu *mmu, phys_addr_t addr, phys_addr_
> * Acquires kvm_mmu_lock. Called with kvm->slots_lock mutex acquired,
> * serializing operations for VM memory regions.
> */
> -void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot)
> +static void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot)
> {
> struct kvm_memslots *slots = kvm_memslots(kvm);
> struct kvm_memory_slot *memslot = id_to_memslot(slots, slot);
>