Re: [PATCH 0/3] userfaultfd: allow to forbid unprivileged users

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> On Wed, Mar 13, 2019 at 09:22:31AM +0100, Paolo Bonzini wrote:
> Unless somebody suggests a consistent way to make hugetlbfs "just
> work" (like we could achieve clean with CRIU and KVM), I think Oracle
> will need a one liner change in the Oracle setup to echo into that
> file in addition of running the hugetlbfs mount.

Hi Andrea, can you explain more in detail the risks of enabling
userfaultfd for unprivileged users?

Paolo

> Note that DPDK host bridge process will also need a one liner change
> to do a dummy open/close of /dev/kvm to unblock the syscall.
> 
> Thanks,
> Andrea
> 



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