Date: Wed, 3 Nov 2010 18:12:50 -0400 (EDT) From: Rick Macklem <rmacklem@uoguelph.ca> To: Julian Elischer <julian@freebsd.org> Cc: mdf@freebsd.org, freebsd-current@freebsd.org, Andriy Gapon <avg@icyb.net.ua> Subject: Re: MTX_DEF versus MTX_SPIN Message-ID: <223810140.57555.1288822369961.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <4CD1DBE8.7090200@freebsd.org>
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> 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 but I think what's there is hopelessly out of date.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 But, just a suggestion (and the "list" could/will get out of date someday), rick
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