Re: [Qemu-devel] [Bug 1626972] Re: [PATCH] util: secure memfd_create fallback mechanism

[Marc-André Lureau]

Hi Rafael, Daniel,

On Tue, Oct 4, 2016 at 4:22 PM Rafael David Tinoco <
address@hidden> wrote:

> Let me work on it. I'll get back soon.
>
>
thanks for working on it, before that I have a few questions:

Tks Daniel.
>
> > On Oct 04, 2016, at 05:36, Daniel P. Berrange <address@hidden>
> wrote:
> >
> > On Mon, Oct 03, 2016 at 04:15:55PM -0300, Rafael David Tinoco wrote:
> >> Yes, definitely. Check this:
> >
> > [snip]
> >
> > So in that case, I think we must add ability to specify an explicit path
> > that apps can use *regardles* of whether memfd support exists or not.
>

How will this path be used? Is it going to be global to qemu for various
use (kinda like $TMP), or per-device, or for memfd fallback only? Should
the path pre-exist? (I suppose, if not, qemu should clean it up when
leaving)

>
> >>> On Oct 03, 2016, at 15:46, Rafael David Tinoco <
> address@hidden> wrote:
> >>>
> >>>> So you're saying that the file descriptor here is actually getting
> >>>> passed to a different process for it to use ?
>
>
> --
Marc-André Lureau