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SubjectRe: [PATCH 22/34] KVM: selftests: Drop unused kvm_userspace_memory_region_find() helper
On Sun, Nov 5, 2023 at 4:33 PM Paolo Bonzini <pbonzini@redhat.com> wrote:
>
> From: Sean Christopherson <seanjc@google.com>
>
> Drop kvm_userspace_memory_region_find(), it's unused and a terrible API
> (probably why it's unused). If anything outside of kvm_util.c needs to
> get at the memslot, userspace_mem_region_find() can be exposed to give
> others full access to all memory region/slot information.
>
> Signed-off-by: Sean Christopherson <seanjc@google.com>
> Message-Id: <20231027182217.3615211-25-seanjc@google.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---

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

Cheers,
/fuad

> .../selftests/kvm/include/kvm_util_base.h | 4 ---
> tools/testing/selftests/kvm/lib/kvm_util.c | 29 -------------------
> 2 files changed, 33 deletions(-)
>
> diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
> index a18db6a7b3cf..967eaaeacd75 100644
> --- a/tools/testing/selftests/kvm/include/kvm_util_base.h
> +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
> @@ -776,10 +776,6 @@ vm_adjust_num_guest_pages(enum vm_guest_mode mode, unsigned int num_guest_pages)
> return n;
> }
>
> -struct kvm_userspace_memory_region *
> -kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
> - uint64_t end);
> -
> #define sync_global_to_guest(vm, g) ({ \
> typeof(g) *_p = addr_gva2hva(vm, (vm_vaddr_t)&(g)); \
> memcpy(_p, &(g), sizeof(g)); \
> diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
> index 7a8af1821f5d..f09295d56c23 100644
> --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> @@ -590,35 +590,6 @@ userspace_mem_region_find(struct kvm_vm *vm, uint64_t start, uint64_t end)
> return NULL;
> }
>
> -/*
> - * KVM Userspace Memory Region Find
> - *
> - * Input Args:
> - * vm - Virtual Machine
> - * start - Starting VM physical address
> - * end - Ending VM physical address, inclusive.
> - *
> - * Output Args: None
> - *
> - * Return:
> - * Pointer to overlapping region, NULL if no such region.
> - *
> - * Public interface to userspace_mem_region_find. Allows tests to look up
> - * the memslot datastructure for a given range of guest physical memory.
> - */
> -struct kvm_userspace_memory_region *
> -kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
> - uint64_t end)
> -{
> - struct userspace_mem_region *region;
> -
> - region = userspace_mem_region_find(vm, start, end);
> - if (!region)
> - return NULL;
> -
> - return &region->region;
> -}
> -
> __weak void vcpu_arch_free(struct kvm_vcpu *vcpu)
> {
>
> --
> 2.39.1
>
>

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