Re: [Qemu-devel] [PATCH v8 53/54] Disable mlock around incoming postcopy

[Juan Quintela]

"Dr. David Alan Gilbert (git)" <address@hidden> wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> Userfault doesn't work with mlock; mlock is designed to nail down pages
> so they don't move, userfault is designed to tell you when they're not
> there.
>
> munlock the pages we userfault protect before postcopy.
> mlock everything again at the end if mlock is enabled.
>
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
> Reviewed-by: David Gibson <address@hidden>
> Reviewed-by: Amit Shah <address@hidden>

Reviewed-by: Juan Quintela <address@hidden>