Date: Tue, 19 Aug 2008 13:28:34 -0700 From: Alfred Perlstein <alfred@freebsd.org> To: Kevin Oberman <oberman@es.net> Cc: usb@freebsd.org, current@freebsd.org Subject: Re: HEADSUP new usb code coming in. Message-ID: <20080819202834.GH16977@elvis.mu.org> In-Reply-To: <20080819200911.224754500F@ptavv.es.net> References: <20080819194413.GB16977@elvis.mu.org> <20080819200911.224754500F@ptavv.es.net>
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* Kevin Oberman <oberman@es.net> [080819 13:20] wrote: > > Date: Tue, 19 Aug 2008 12:44:13 -0700 > > From: Alfred Perlstein <alfred@freebsd.org> > > Sender: owner-freebsd-current@freebsd.org > > > > After a long period of review and testing I am on the verge of > > committing Hans Peter's new usb stack to -current. > > > > The patchset requires a SMALL _493_ line diff to the main code, > > mostly bug fixes to arm. And then a large number of new files > > for the usb system. > > > > The new usb system will be committed as separate files with > > the intention of folding them over the old files before the > > 9.0 release. > > > > The diff to the main files is here: > > http://mu.org/~bright/usb2/usb2_release_001.diff > > > > The whole diff, including new files is here: > > http://mu.org/~bright/usb2/usb4bsd.diff.gz > > > > FAQ: > > Q. Has this been reviewed? > > A. Yes, pretty strongly by myself and we've consulted with > > various others, Warner, Scott and Andrew for review/testing. > > I wouldn't say that Warner or Scott have given full review > > but just about all questions have been answered. > > > > Q. Can we change the name from "usb2_" to my favorite name? > > A. No. This is for a short period, stop being so annoying. > > > > Q. What about the old usb code? > > A. What about it? :D > > > > Q. What about ttys? > > A. I don't know, we'll address the mpsafe aspects of ttys shortly, > > Hans is very responsive to SMP issues. > > > > Q. Shouldn't you wait? > > A. Wait for what? No. > > > > Q. I have some whitespace nits, can you do those? > > A. No. It's a 100k line diff and a 3meg delta, we tried really hard > > to get all whitespace right, but you're welcome to point things out after > > the commit. > > Cool! I've been waiting for this for a loooooong time. Thanks to you, > Hans Peter and all of the folks who have helped! thanks! > > Not on the FAQ: > > Q: Other then no longer requiring giant [MPSAFE], what does usb2 give > us? Does it fix the battery-eating on laptops? Does it allow the > system to reach C3 and lower sleep states? (These are at least > closely linked issues.) > > I have not been running current for a while and this might be enough > incentive to get me to kick the tires. I don't know, I'm not aware as that being a feature, but Hans is pretty ambitious, he might jump on it. -Alfred
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