On Tue, Mar 12, 2019 at 08:26:33PM +0800, Peter Xu wrote:
> On Tue, Mar 12, 2019 at 08:58:30AM +0200, Mike Rapoport wrote:
>
> [...]
>
> > > +config USERFAULTFD_UNPRIVILEGED_DEFAULT
> > > +string "Default behavior for unprivileged userfault syscalls"
> > > +depends on USERFAULTFD
On Tue, Mar 12, 2019 at 08:58:30AM +0200, Mike Rapoport wrote:
[...]
> > +config USERFAULTFD_UNPRIVILEGED_DEFAULT
> > +string "Default behavior for unprivileged userfault syscalls"
> > +depends on USERFAULTFD
> > +default "disabled"
> > +help
> > + Set
On Mon, Mar 11, 2019 at 05:36:59PM +0800, Peter Xu wrote:
> Introduce a new sysctl called "vm.unprivileged_userfaultfd" that can
> be used to decide whether userfaultfd syscalls are allowed by
> unprivileged users. It'll allow three modes:
>
> - disabled: disallow unprivileged users to use
Introduce a new sysctl called "vm.unprivileged_userfaultfd" that can
be used to decide whether userfaultfd syscalls are allowed by
unprivileged users. It'll allow three modes:
- disabled: disallow unprivileged users to use uffd
- enabled: allow unprivileged users to use uffd
- kvm:
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