MTX_DEF versus MTX_SPIN

Rick Macklem rmacklem at uoguelph.ca
Wed Nov 3 22:12:52 UTC 2010


> On 11/3/10 2:56 PM, Rick Macklem wrote:
> >>> Is there any documentation on best practices for writing a FreeBSD
> >>> driver?
> >> Not really. :-/
> >>
> > Just a dumb obvious suggestion. Imho, there is no better doc. than
> > some
> > well written code, so maybe someone familiar with the drivers can
> > suggest
> > one (or two) that they consider well written and use the current
> > conventions
> > as "examples"?
> 
> we try every now and then to put good examples in /usr/share/examples
> but I think what's there is hopelessly out of date.
> 
Yep, that's the inevitable problem with this kind of doc. What I was
suggesting was to list a couple of the current drivers in src/sys as
good examples of "best practice" and hope they stay current, if they're
in the kernel source tree and being used for current hardware.

But, just a suggestion (and the "list" could/will get out of date
someday), rick


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