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[204.195.120.218]) by smtp.gmail.com with ESMTPSA id jn12-20020a170903050c00b001b3c48d01d0sm4450101plb.65.2023.06.26.10.11.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jun 2023 10:11:26 -0700 (PDT) Date: Mon, 26 Jun 2023 10:11:24 -0700 From: Stephen Hemminger To: Thomas Monjalon Cc: Jerin Jacob , dev@dpdk.org, jerinj@marvell.com, Ori Kam , Liron Himi , Prasun Kapoor Subject: Re: [PATCH] regex/cn9k: remove rule compiler Message-ID: <20230626101124.72e7c1d0@hermes.local> In-Reply-To: <20838710.0c2gjJ1VT2@thomas> References: <20230621140637.657038-1-thomas@monjalon.net> <3654869.RUnXabflUD@thomas> <20230626092221.656fe0d0@hermes.local> <20838710.0c2gjJ1VT2@thomas> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Mon, 26 Jun 2023 18:43:21 +0200 Thomas Monjalon wrote: > 26/06/2023 18:22, Stephen Hemminger: > > On Mon, 26 Jun 2023 09:16:32 +0200 > > Thomas Monjalon wrote: > > =20 > > > 25/06/2023 22:57, Stephen Hemminger: =20 > > > > On Wed, 21 Jun 2023 21:03:00 +0530 > > > > Jerin Jacob wrote: > > > > =20 > > > > > On Wed, Jun 21, 2023 at 7:36=E2=80=AFPM Thomas Monjalon wrote: =20 > > > > > > > > > > > > Nobody knows how to build the feature. > > > > > > When the dependency "rxp_compiler" is found, > > > > > > the header file is not available: > > > > > > > > > > > > drivers/regex/cn9k/cn9k_regexdev_compiler.c:12:10: fatal error: > > > > > > rxp-compiler.h: No such file or directory > > > > > > > > > > > > It seems that it depends on a proprietay library. =20 > > > > >=20 > > > > > Yes. it depended on proprietary library owned by NVIDIA now. Not = sure > > > > > Marvell has rights to publish it "freely available". > > > > > In order to avoid forking this library, better option to make this > > > > > library as public. Also, it looks like the library itself won't h= ave > > > > > proper installation procedures that is the > > > > > reason for conflict as documented here in > > > > > https://bugs.dpdk.org/show_bug.cgi?id=3D1232. =20 > > > >=20 > > > > Interesting. Then what about the GPU support which currently requir= es > > > > proprietary NVIDIA CUDA library =20 > > >=20 > > > CUDA can be downloaded. > > > It is even packaged in many Linux distributions. =20 > >=20 > > Thanks for the clarification. > > So the real issue is not that it needs a proprietary library but it is > > that the library is not available without special license. =20 >=20 > No you don't get it. > The problem is that the dependency must be downloadable on Internet. > CUDA is downloadable. > The dependency for Marvell regex is not available on Internet. >=20 > > CUDA does require accepting a free license which may be a problem for s= ome people who have > > lawyers who read the fine print. > >=20 > > The policy about dependencies should be made more explicit in the docum= entation. =20 >=20 > It could be detailed in the contributing guide. The natural place would be under a subsection about new libraries. This is where the Tech Board approval of new dependencies should go as well.