Date: Mon, 17 Mar 2003 00:50:33 +0100 From: Maxime Henrion <mux@freebsd.org> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: alpha@FreeBSD.ORG Subject: Re: call for testers: busdma locking patch Message-ID: <20030316235033.GL3819@elvis.mu.org> In-Reply-To: <15987.60605.319905.186118@grasshopper.cs.duke.edu> References: <20030315200309.GJ3819@elvis.mu.org> <15987.60605.319905.186118@grasshopper.cs.duke.edu>
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Andrew Gallatin wrote: > Maxime Henrion writes: > > I'm currently working on locking down the busdma backends. The alpha > > backend already has some locking for the bounce pages, but it's slightly > > incomplete. This patch cleans it up a bit, and then I'll use the same > > locking scheme for x86, since those parts of busdma are identical. It > > would be very helpful if someone with alpha hardware could test it. > > Thanks for taking this on! > > The only current consumer of the bounce pages code on alpha is the > UP1000 platform, all other platforms use scatter/gather DMA for > address limited (ie, ISA), devices. > > I have a UP1000, but its currently in a totally hosed state. I'll > need to install 5.x on it, and build my way current. I might not have > time to do that for a while. > > I guess what I'm trying to say is: "don't hold your breath waiting for > testers" ;) Do you mean that I should commit the changes now or just don't expect to find testers soon ? :-) It would make my life much easier if I could commit it soon, because I have other changes pending and because I used the same locking (ie. what was in alpha + my fixes) to lock down the x86 busdma backend. It would be nice if we could get this done soon, so that making busdma-enabled drivers MP-safe is easier. Cheers, Maxime To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
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