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    SubjectRe: [PATCH v3 0/7] User namespace mount updates
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    Am 19.11.2015 um 15:37 schrieb Colin Walters:
    > On Thu, Nov 19, 2015, at 02:53 AM, Richard Weinberger wrote:
    >
    >> Erm, I don't want this in the kernel. That's why I've proposed the lklfuse approach.
    >
    > I already said this before but just to repeat, since I'm confused:
    >
    > How would "lklfuse" be different from http://libguestfs.org/
    > which we at Red Hat (and a number of other organizations)
    > use quite widely now for build systems, debugging etc.

    Currently libguestfs has a rather huge overhead because it
    boots a full virtual machine and hence a lot of communication
    is needed.
    With LKL you can use Linux as Library and link it to fuse.
    AFAIK Richard added already a LKL backend to libguestfs. :-)

    > In the end it's just running the kernel in KVM with a custom protocol,
    > with support for non-filesystem things like "install a bootloader",
    > and it already supports FUSE.
    >
    > I'm pretty firmly with Al here - the attack surface increase here
    > is too great, and we'd likely turn this off if it even did make it
    > into the kernel.

    Agreed. This is why I'm promoting the fuse solution.

    Thanks,
    //richard


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