[PATCH 03/20] KVM: selftests: Use vm_alloc_page_table() to allocate LoongArch page tables
Bibo Mao
maobibo at loongson.cn
Wed Aug 26 23:43:47 PDT 2026
On 2026/8/27 上午7:04, Sean Christopherson wrote:
> Now that KVM_GUEST_PAGE_TABLE_MIN_PADDR == LOONGARCH_PAGE_TABLE_PHYS_MIN,
> use the common vm_alloc_page_table() instead of open coding the same.
>
> Opportunistically drop the assert that the allocation succeeded, as the
> allocator itself guarantees success.
>
> For all intents and purposes, no functional change intended.
>
> Signed-off-by: Sean Christopherson <seanjc at google.com>
> ---
> tools/testing/selftests/kvm/lib/loongarch/processor.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/tools/testing/selftests/kvm/lib/loongarch/processor.c b/tools/testing/selftests/kvm/lib/loongarch/processor.c
> index 47bbde3e205a..fcd41bc6fbda 100644
> --- a/tools/testing/selftests/kvm/lib/loongarch/processor.c
> +++ b/tools/testing/selftests/kvm/lib/loongarch/processor.c
> @@ -9,7 +9,6 @@
> #include "processor.h"
> #include "ucall_common.h"
>
> -#define LOONGARCH_PAGE_TABLE_PHYS_MIN 0x200000
> #define LOONGARCH_GUEST_STACK_VADDR_MIN 0x200000
>
> static gpa_t invalid_pgtable[4];
> @@ -57,9 +56,7 @@ void virt_arch_pgd_alloc(struct kvm_vm *vm)
> child = table = 0;
> for (i = 0; i < vm->mmu.pgtable_levels; i++) {
> invalid_pgtable[i] = child;
> - table = vm_phy_page_alloc(vm, LOONGARCH_PAGE_TABLE_PHYS_MIN,
> - vm->memslots[MEM_REGION_PT]);
> - TEST_ASSERT(table, "Fail to allocate page tale at level %d\n", i);
> + table = vm_alloc_page_table(vm);
> virt_set_pgtable(vm, table, child);
> child = table;
> }
>
Reviewed-by: Bibo Mao <maobibo at loongson.cn>
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