Re: [RFC] What are the goals for the architecture of an in-kernel IR system?

[Jon Smirl]

On Sat, Nov 28, 2009 at 2:30 PM, Stefan Richter
<stefanr@xxxxxxxxxxxxxxxxx> wrote:
> Jon Smirl wrote:
>> If these drivers are for specific USB devices it is straight forward
>> to turn them into kernel based drivers. If we are going for plug and
>> play this needs to happen. All USB device drivers can be implemented
>> in user space, but that doesn't mean you want to do that. Putting
>> device drivers in the kernel subjects them to code inspection, they
>> get shipped everywhere, they autoload when the device is inserted,
>> they participate in suspend/resume, etc.
>
> Huh?  Userspace implementations /can/ be code-reviewed (but they can't
> crash your machine), they /can/ be and are shipped everywhere, they /do/
> auto-load when the device is inserted.  And if there should be an issue
> with power management (is there any?), then improve the ABI and libusb
> can surely be improved.  I don't see why a device with a userspace
> driver cannot be included in power management.

If you want a micro-kernel there are plenty to pick from. Linux has
chosen not to be a micro-kernel. The Linux model is device drivers in
the kernel.

-- 
Jon Smirl
jonsmirl@xxxxxxxxx
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