Any brave dive computer download testers out there?

Sébastien Dugué sebastien.dugue.subsurface at
Wed Apr 18 12:33:18 PDT 2018

On Wed, Apr 18, 2018 at 9:20 PM, Linus Torvalds
<torvalds at> wrote:
> If you're more comfortable just sending packets to the device, doing
> it in user space would be much better.

 Right, I like writing drivers, but this has to be a userspace thing.

> It would also make it possible to work on OS X, because there's no
> IRDA stack at all there.

  I wasn't even aware of that, so that'd be a nice added bonus.

> So a user space stack would likely be simpler, easier to test, and
> actually technically superior.
> The "do IRDA in kernel space" made sense back in the bad old days when
> IRDA was a real protocol used for transferring files and stuff, and
> was supposed to be generic.
> It never worked very well even back then, but at least it made sense
> to have IRDA as a networking stack.
> Today, the _only_ user I'm aware of is old dive computers. It doesn't
> make sense as a networking stack any more.

  Well, they may be old but they're still selling. And I don't have the money
for those fancy OLED thingies.


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