Date: Wed, 05 Jan 2011 10:04:52 +0100 From: Alexander Leidinger <Alexander@Leidinger.net> To: Jeff Roberson <jroberson@jroberson.net> Cc: arch@freebsd.org Subject: Re: Linux kernel compatability Message-ID: <20110105100452.16086vb1bb08xcco@webmail.leidinger.net> In-Reply-To: <alpine.BSF.2.00.1101041309570.1450@desktop> References: <alpine.BSF.2.00.1101031017110.1450@desktop> <20110103220153.69cf59e0@kan.dnsalias.net> <alpine.BSF.2.00.1101031859290.1450@desktop> <20110104082252.45bb5e7f@kan.dnsalias.net> <alpine.BSF.2.00.1101041030120.1450@desktop> <4D23A2CF.1010904@freebsd.org> <alpine.BSF.2.00.1101041309570.1450@desktop>
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Quoting Jeff Roberson <jroberson@jroberson.net> (from Tue, 4 Jan 2011 13:13:00 -1000 (HST)): > After this discussion I'm leaning towards leaving the layer I have > in the ofed/ directory and leaving it tied to the version of ofed we > currently have imported. To give you one more little argument in favour of this: copies in SVN are cheap. If there is the need to have the compat shim available for something else, it can be put into another place later. On a somewhat related area: now that you've done this huge compat work you have a very good idea which parts correspond to what in the other OS. It would be great if this could be documented somewhere (wiki?) in a way that people which are interested to write a FreeBSD native driver just need to have a look at some pages to be able to see what linux stuff they have to change in which way to get a big part of the porting covered. IMO this would also help in reviewing and verifying the correctness of your current work (and as such would be beneficial to the sponsors of this work), as people could see if you missed some semantic differences or overlooked some implicit assumptions. Bye, Alexander. -- The Feynman Problem-Solving Algorithm: (1) write down the problem. (2) think very hard. (3) write down the answer. -- Murray Gell-Mann http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
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