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    SubjectRe: ioctl cleanups: enable sg_io and serial stuff to be shared
    On Thu, May 08, 2003 at 04:51:18PM +0100, Christoph Hellwig wrote:
    > On Thu, May 08, 2003 at 11:16:43AM -0400, Ben Collins wrote:
    > > How would the driver differentiate between .compat_ioctl == NULL being a
    > > case where it should fail because there is no translation, or a case
    > > where it should use the compatible .ioctl? Maybe there should be an
    > > extra flag like use_compat_ioctl. So:
    >
    > .compat_ioctl == NULL: fail
    > .compat_ioctl == .ioctl: everythings fine, I read the docs

    That makes sense aswell.

    > > This would also solve the current problem where a module that is
    > > compiled with compat ioctl's using register_ioctl32_conversion() is not
    > > usable on a kernel compiled without CONFIG_COMPAT, even though it very
    > > well should be.
    >
    > You mean you want to load the same binary module in differently
    > compiled kernels? That's a flawed idea to start with..

    I don't, but I don't see the point in it not working in this case.

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