On Fri, Jun 24, 2022 at 02:32:47PM -0700, Ricardo Koller wrote:
> Add a library function to allocate a page-table physical page in a
> particular memslot. The default behavior is to create new page-table
> pages in memslot 0.
>
> Reviewed-by: Oliver Upton <oup...@google.com>
> Reviewed-by: Ben Gardon <bgar...@google.com>
> Signed-off-by: Ricardo Koller <ricar...@google.com>
> ---
> tools/testing/selftests/kvm/include/kvm_util_base.h | 1 +
> tools/testing/selftests/kvm/lib/kvm_util.c | 8 +++++++-
> 2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h
> b/tools/testing/selftests/kvm/include/kvm_util_base.h
> index 7ebfc8c7de17..54ede9fc923c 100644
> --- a/tools/testing/selftests/kvm/include/kvm_util_base.h
> +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
> @@ -579,6 +579,7 @@ vm_paddr_t vm_phy_page_alloc(struct kvm_vm *vm,
> vm_paddr_t paddr_min,
> vm_paddr_t vm_phy_pages_alloc(struct kvm_vm *vm, size_t num,
> vm_paddr_t paddr_min, uint32_t memslot);
> vm_paddr_t vm_alloc_page_table(struct kvm_vm *vm);
> +vm_paddr_t vm_alloc_page_table_in_memslot(struct kvm_vm *vm, uint32_t
> pt_memslot);
>
> /*
> * ____vm_create() does KVM_CREATE_VM and little else. __vm_create() also
> diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c
> b/tools/testing/selftests/kvm/lib/kvm_util.c
> index f8c104dba258..5ee20d4da222 100644
> --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> @@ -1784,9 +1784,15 @@ vm_paddr_t vm_phy_page_alloc(struct kvm_vm *vm,
> vm_paddr_t paddr_min,
> /* Arbitrary minimum physical address used for virtual translation tables. */
> #define KVM_GUEST_PAGE_TABLE_MIN_PADDR 0x180000
>
> +vm_paddr_t vm_alloc_page_table_in_memslot(struct kvm_vm *vm, uint32_t
> pt_memslot)
> +{
> + return vm_phy_page_alloc(vm, KVM_GUEST_PAGE_TABLE_MIN_PADDR,
> + pt_memslot);
> +}
> +
> vm_paddr_t vm_alloc_page_table(struct kvm_vm *vm)
> {
> - return vm_phy_page_alloc(vm, KVM_GUEST_PAGE_TABLE_MIN_PADDR, 0);
> + return vm_alloc_page_table_in_memslot(vm, 0);
> }
>
> /*
> --
> 2.37.0.rc0.161.g10f37bed90-goog
>
Reviewed-by: Andrew Jones <andrew.jo...@linux.dev>
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