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SubjectRe: CD writing in future Linux (stirring up a hornets' nest)
Olivier Galibert wrote:
> No, it isn't. OTOH, udev maintains it, so I guess that's good enough.
> It makes udev the kernel interface though. I hope they now care about
> compatibility (/dev/.udev.pdb vs. /dev/.udev/db/* anyone?).
>

Yes, it is, where do you think udev gets it's information from? That's
right, from /sys. Sysfs is the kernel interface, not udev; the 'u' in
udev is for 'user', as in NOT part of the kernel.

>
> Bullshit. If <x> is the only interface available to a kernel service,
> then <x> is part of the kernel whether you like it or not. Case in
> point, the ALSA library.

Bullshit yourself. If cdrecord is the only application for burning cds,
that does not make it the kernel interface for cds, and certainly does
not make it part of the kernel. The kernel interface is the point of
interaction between user and kernel code, which is sysfs.

Udev and HAL are two user mode ( NOT parts of the kernel ) components
built to put the information from sysfs to use in user space, and other
applications are encouraged to utilize the services those daemons
provide. By no stretch of the imagination does that make them part of
the kernel.


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