On Fri, Feb 18, 2022 at 02:37:04AM +0000, Liam Howlett wrote:
> diff --git a/arch/arm64/kernel/elfcore.c b/arch/arm64/kernel/elfcore.c
> index 3455ee4acc04..930a0bc4cac4 100644
> --- a/arch/arm64/kernel/elfcore.c
> +++ b/arch/arm64/kernel/elfcore.c
> @@ -8,9 +8,9 @@
> #include <asm/cpufeature.h>
> #include <asm/mte.h>
>
> -#define for_each_mte_vma(tsk, vma) \
> +#define for_each_mte_vma(vmi, vma) \
> if (system_supports_mte()) \
> - for (vma = tsk->mm->mmap; vma; vma = vma->vm_next) \
> + for_each_vma(vmi, vma) \
> if (vma->vm_flags & VM_MTE)
>
> static unsigned long mte_vma_tag_dump_size(struct vm_area_struct *vma)
> @@ -65,8 +65,9 @@ Elf_Half elf_core_extra_phdrs(void)
> {
> struct vm_area_struct *vma;
> int vma_count = 0;
> + VMA_ITERATOR(vmi, current->mm, 0);
>
> - for_each_mte_vma(current, vma)
> + for_each_mte_vma(vmi, vma)
> vma_count++;
I'm fine with the patch but it can't be applied to arm64 for-next/mte
branch as it won't build and the maple tree doesn't have the MTE
patches. Do you have a stable branch with the for_each_vma() iterator?
Anyway, if you find a way to solve the problem, for this patch:
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
