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    SubjectRe: patent on O_ATOMICLOOKUP [Re: [PATCH] loopable tmpfs (2.4.17)]
    Date
    On Saturday 25 May 2002 06:27, Linus Torvalds wrote:
    > On Fri, 24 May 2002, Linus Torvalds wrote:
    > >
    > > You know what? I don't care. If the RTAI people are trying to make it easy
    > > for non-GPL module people, I have absolutely zero interest.
    >
    > [ Clarification: here "module" is not just "the thing you insert with
    > insmod". In RTAI it's a mlock'ed user-level thing that has higher
    > priority than the kernel, and can thus trivially crash the system.
    > Whether it runs in CPL0 or CPL3 is immaterial at that point - a crash is
    > a crash, and I'm not interested in systems where I cannot debug the
    > thing that caused it ]

    This issue is easily dealt with by requiring root for the rt_task_init
    call.

    As for debugging the thing, Linus doth protest too much.

    --
    Daniel
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