On Jul 3, 2011, at 7:15 AM, Ronald Klop wrote: > On Tue, 28 Jun 2011 18:01:37 +0200, Warner Losh <i...@bsdimp.com> wrote: > >> >> On Jun 28, 2011, at 2:45 AM, Alexey Dokuchaev wrote: >> >>> On Sun, Jun 26, 2011 at 10:14:13PM -0600, Warner Losh wrote: >>>> Not in GENERIC. 9.0 is getting ready to feature freeze any minute, so >>>> there's no time to do the testing that a radical change like that would >>>> require. >>> >>> Fair enough. Right now, this work seems to cover only USB kernel modules, >>> is it so? Is expansion into generic PCI area also planned, provided that >>> you've already had some ideas and seem to be willing to pick up the work >>> given enough support from the other developers (please excuse me if my >>> understanding is wrong)? >> >> The reason we were able to relatively quickly generate this file from USB is >> because USB is very regular and uniform in its probe routines. They all >> have (or could be converted to have) something approximating the same format. >> >> PCI isn't even remotely close to this, and the techniques that worked for >> USB (and some of the short cuts taken) can't work for PCI for us. There's >> no uniformity in the PCI space, although many of the PCI drivers use a >> similar design pattern. They would all have to be converted to using the >> same thing, which is kinda impractical at the moment (since many have >> additional, driver specific fields). While the tool is kinda flexible >> enough to cope with this situation, more and more code winds up in the tool >> to cope than is appropriate for the tool. >> >> That's why this feature is experimental. For what it works for, it works >> great. For everything else, it is a lot of work to make it happy on a >> wide-spread enough scale. It is very instructive for how to approach >> things, but embeds too much knowledge of the bus code into the tool to >> generate these files than is appropriate (since it is duplicated information >> from the driver, not exported from the bus/driver). >> >> Warner > > Maybe something for a GSOC 2012 project?
Yes. that would make a good GSOC for the right student... It would also scale well depending on the students skills. Warner_______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
