Re: [PATCH] fs/dax: Fix pmd vs pte conflict detection

[Dan Williams]

On Mon, Oct 21, 2019 at 5:07 AM Jeff Moyer <jmoyer@xxxxxxxxxx> wrote:
>
> Dan Williams <dan.j.williams@xxxxxxxxx> writes:
>
> > Check for NULL entries before checking the entry order, otherwise NULL
> > is misinterpreted as a present pte conflict. The 'order' check needs to
> > happen before the locked check as an unlocked entry at the wrong order
> > must fallback to lookup the correct order.
>
> Please include the user-visible effects of the problem in the changelog.
>

Yup, I noticed that right after sending.