Re: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI)

[Dave Hansen]

On 03/02/2016 12:39 PM, Khalid Aziz wrote:
> +long enable_sparc_adi(unsigned long addr, unsigned long len)
> +{
> +	unsigned long end, pagemask;
> +	int error;
> +	struct vm_area_struct *vma, *vma2;
> +	struct mm_struct *mm;
> +
> +	if (!ADI_CAPABLE())
> +		return -EINVAL;
...

This whole thing with the VMA splitting and so forth looks pretty darn
arch-independent.  Are you sure you need that much arch-specific code
for it, or can you share more of the generic VMA management code?