From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Steve Wise" Subject: RE: [PATCH] libibverbs: add ARM64 memory barrier macros Date: Fri, 20 May 2016 15:20:23 -0500 Message-ID: <015501d1b2d5$0a020de0$1e0629a0$@opengridcomputing.com> References: <20160520163207.B99DCE0B9D@smtp.ogc.us> <9C6B67F36DCAFC479B1CF6A967258A8C7DDBB201@ORSMSX115.amr.corp.intel.com> <011001d1b2c6$a95a6f40$fc0f4dc0$@opengridcomputing.com> <011e01d1b2c7$e9a70c10$bcf52430$@opengridcomputing.com> <2dc25c9c-748c-098c-f7a1-5d6e59504308@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <2dc25c9c-748c-098c-f7a1-5d6e59504308-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Content-Language: en-us Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: 'Doug Ledford' , 'Woodruff Robert J' Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org > >> I could utilize the code from FreeBSD. Does that allow me to submit this to > >> libibverbs under the dual GPL/BSD license? > >> > > > > I think I can just re-implement these services myself based published works > > describing the memory barrier assembly for ARM (like the document Jason > > referenced earlier). That will avoid any tainting. > > > > Doug: Will that work? > > Either way works actually. IANAL, but I've been told this multiple > times and will relay my possibly flawed memory of the legal issue. The > original patch, even though lifted from the linux kernel, is likely to > fall under the scope of "operationally defined" code. In other words, > the specific patch you wrote and the thing it implemented is so rigidly > defined by what it does, that there really is little to no room for any > different expression of the code. When there is no room for different > expressions, the code is not copyrightable. > That makes too much sense... ;) -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html