[PATCH] RISC-V: KVM: Use find_vma_intersection() to search for intersecting VMAs
Anup Patel
anup at brainfault.org
Wed Jul 16 23:50:04 PDT 2025
On Tue, Jun 17, 2025 at 6:43 PM <zhouquan at iscas.ac.cn> wrote:
>
> From: Quan Zhou <zhouquan at iscas.ac.cn>
>
> There is already a helper function find_vma_intersection() in KVM
> for searching intersecting VMAs, use it directly.
>
> Signed-off-by: Quan Zhou <zhouquan at iscas.ac.cn>
LGTM.
Reviewed-by: Anup Patel <anup at brainfault.org>
Queued this patch for Linux-6.17
Thanks,
Anup
> ---
> arch/riscv/kvm/mmu.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/riscv/kvm/mmu.c b/arch/riscv/kvm/mmu.c
> index b63650f9b966..3452a8b77af3 100644
> --- a/arch/riscv/kvm/mmu.c
> +++ b/arch/riscv/kvm/mmu.c
> @@ -487,10 +487,11 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
> * +--------------------------------------------+
> */
> do {
> - struct vm_area_struct *vma = find_vma(current->mm, hva);
> + struct vm_area_struct *vma;
> hva_t vm_start, vm_end;
>
> - if (!vma || vma->vm_start >= reg_end)
> + vma = find_vma_intersection(current->mm, hva, reg_end);
> + if (!vma)
> break;
>
> /*
> --
> 2.34.1
>
More information about the kvm-riscv
mailing list