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    SubjectRe: [Xen-devel] Re: [RFC] [PATCH] sysfs support for Xen attributes
    Mark Williamson wrote:

    >>These will be text files with simple attrributes. Most will be
    >>read-only. It is kind of fun to think about creating a domain by doing
    >>something like
    >>
    >>cat $domain_config > /sys/xen/domain/new
    >>
    >>but there are some ugly aspects of doing so. Likewise it would be good
    >>to add a potential migration host by writing an ip address to
    >>/sys/xen/migrate/hosts_to
    >>
    >>Again, we need to get this solidified before going further.
    >>
    >>
    >
    >Anthony (cc-ed) did a little work on implementing something like this using
    >FuSE to call the existing management interfaces we have for this
    >functionality. IIRC, it was mostly targetted at reading information about
    >running domains, but it seemed like a good level to implement these
    >higher-level controls in a virtual FS.
    >
    >
    Yeah, I like this idea but I agree that sysfs is not the right place for
    it (it would requiring maintaining a kobject representation of domains
    in the kernel which is going to be painful).

    A custom Xen filesystem is definitely the right approach (and even
    already exists :-)).

    Regards,

    Anthony Liguori

    >Cheers,
    >Mark
    >
    >

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