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Thu, 5 Nov 2020 02:12:43 -0500 (EST) From: Thomas Monjalon To: David Christensen Cc: dev@dpdk.org, anatoly.burakov@intel.com, david.marchand@redhat.com Date: Thu, 05 Nov 2020 08:12:41 +0100 Message-ID: <4279961.Ez0r9NPIs3@thomas> In-Reply-To: <19f7c0b2-9179-5587-c0c8-e9f417cfc64f@linux.vnet.ibm.com> References: <20201015172305.105717-1-drc@linux.vnet.ibm.com> <1866859.44BVCP9YqW@thomas> <19f7c0b2-9179-5587-c0c8-e9f417cfc64f@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Subject: Re: [dpdk-dev] [PATCH v5 1/1] vfio: modify spapr iommu support to use static window sizing X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 04/11/2020 23:25, David Christensen: > On 11/4/20 1:02 PM, Thomas Monjalon wrote: > > 04/11/2020 22:00, David Christensen: > >> > >> On 11/4/20 11:43 AM, Thomas Monjalon wrote: > >>>> Signed-off-by: David Christensen > >>>> Acked-by: Anatoly Burakov > >>>> --- > >>>> -#ifdef VFIO_IOMMU_SPAPR_INFO_DDW > >>>> - /* try possible page_shift and levels for workaround */ > >>>> + /* if at first we don't succeed, try more levels */ > >>>> uint32_t levels; > >>>> =20 > >>>> - for (levels =3D create->levels + 1; > >>>> + for (levels =3D create.levels + 1; > >>>> ret && levels <=3D info.ddw.levels; levels++) { > >>> > >>> There is a compilation failure with ppc64le-power8-linux-gcc: > >>> error: =E2=80=98struct vfio_iommu_spapr_tce_info=E2=80=99 has no memb= er named =E2=80=98ddw=E2=80=99 > >> > >> How did you find that error? It builds locally for me on a POWER syst= em > >> with Meson/gcc and there were no build failures on Travis > >> (https://travis-ci.com/github/drchristensen/dpdk/builds/198047029) when > >> I checked it against AMD64/ARM systems. The code is PPC specific but = it > >> will build on all architectures (there are no IFDEFs around it). > >=20 > > Remember, I cross-build with test-meson-builds.sh > > Is it an issue of my toolchain? >=20 > What distro/gcc version are you using? I'll try it locally on an x86. I am using powerpc64le-power8--glibc--stable-2018.11-1 from https://toolchains.bootlin.com/releases_powerpc64le-power8.html