Re: [RFC PATCH 08/12] PAT 64b: coherent mmap and sysfs bin ioctl

[Greg KH]

On Thu, Dec 13, 2007 at 08:59:44PM -0700, Eric W. Biederman wrote:
> venkatesh.pallipadi@xxxxxxxxx writes:
> 
> > Forward port of coherent-mmap.patch and sysfs-bin-ioctl.patch to x86 tree.
> >
> > TBD: Do we need the ioctl interface to sysfs or get the type attribute
> > through a different sysfs file. And then actually specify the attribute
> > while doing pci_mmap_page_range ;-)
> 
> This ioctl is not connected up.  So regardless of the wisdom of ioctls on
> sysfs adding the infrastructure and then not using it is broken.

Ok, I guess the "use an ioctl on a binary file in sysfs for PCI devices"
makes a bit more sense (hint, next time explain this in the changelog
instead of just saying that it is being added), but I would like to see
how this is all hooked up before passing final judgement on it.

thanks,

greg k-h
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