Re: ioctl cleanups: enable sg_io and serial stuff to be shared

Ben Collins
2003-05-08T15:55:00Z

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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