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    SubjectRe: Re:[PATCH] New phys_addr() syscall
    Inaky Perez Gonzalez writes:
    > >>>>> "Richard" == Richard Gooch <Richard.Gooch@atnf.csiro.au> writes:
    >
    > Hi
    >
    > Richard> Hi, all. I've implemented a simple new system call called
    > Richard> phys_addr() which converts a virtual address to a physical
    > Richard> address.
    >
    > Cool. I needed some of this for the USB Stack; I've been using
    > something I found at linux/drivers/char/bttv.c, as I wanted to be able
    > to directly do PCI read and writes to user space.
    >
    > Could the interface be extended to be used from kernel-land?
    > It seems to be _non_ standard.

    It's such a simple operation, I don't see much point in having a
    function. I don't know what you mean by non-standard. Sure, it's a
    non-standard API for userspace, since it's new. But it uses standard
    kernel functions.

    Regards,

    Richard....

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