Re: [RFC 07/16] KVM: mm: Introduce VM_KVM_PROTECTED

Kirill A. Shutemov
2020-05-26T22:04:26Z

On Mon, May 25, 2020 at 11:40:01PM -0700, John Hubbard wrote:
> On 2020-05-22 05:52, Kirill A. Shutemov wrote:
> ...
> > @@ -2773,6 +2780,7 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
> > #define FOLL_LONGTERM 0x10000 /* mapping lifetime is indefinite: see below */
> > #define FOLL_SPLIT_PMD 0x20000 /* split huge pmd before returning */
> > #define FOLL_PIN 0x40000 /* pages must be released via unpin_user_page */
> > +#define FOLL_KVM 0x80000 /* access to VM_KVM_PROTECTED VMAs */
>
> I grabbed 0x80000 already, for FOLL_FAST_ONLY. :)

Let's see who getting upstream first :P (Spoiler: you)

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Kirill A. Shutemov