>-----Original Message----- >From: dev <dev-boun...@dpdk.org> On Behalf Of Juraj Linkeš >Sent: Wednesday, December 23, 2020 5:17 PM >To: bruce.richard...@intel.com; ruifeng.w...@arm.com; >honnappa.nagaraha...@arm.com; phil.y...@arm.com; >vcchu...@amazon.com; dharmik.thak...@arm.com; >jerinjac...@gmail.com; hemant.agra...@nxp.com; >ajit.khapa...@broadcom.com; ferruh.yi...@intel.com >Cc: dev@dpdk.org; Juraj Linkeš <juraj.lin...@pantheon.tech> >Subject: [dpdk-dev] [PATCH v14 00/12] Arm build options rework > >The current way of specifying Arm configuration options is insufficient >since we can't identify the SoC we're building for from the MIDR >information. For example, we can't distinguish between N1SDP, >Graviton2 >or Ampere Altra. > >Add a way to specify the cpu count and numa node count for cross >builds >and aarch64 -> aarch64 (SoC) builds. > >We also want to be able to disable which drivers (and possibly >libraries) are built without user input. This is useful when building: >1. on an SoC that is slow and we want to build only what is necessary > without the user having to check which libraries they have installed >2. a cross build on a fast aarch64 machine but with target SoC which > differs in capabilities or libraries. >This is achieved by specifying the drivers in SoC configuration. > >Among libraries, only libnuma can be now disabled. > >Also add an optional way to discover cpu count a numa node count. Fix >-Dmax_lcores and -Dmax_numa_nodes for arm builds. > >The current implementation adds/supports the following: >* x86 -> aarch64 cross build with added config options/disabled > drivers/libs >* aarch64 -> aarch64 builds for a different SoCs using meson -Darm_soc > option or using a cross file >* max numa nodes and max lcore may be specified on the command >line to > overwrite the values for any (native, SoC or cross) build > >v2: >Major rework of the whole series. > >v3: >Added numa and core count defaults for x86 default build. >Removed numa and core count defaults. Now requiring defaults to be >specified in a cross file or on the cmdline. >Added FreeBDS support for numa count discovery. > >v4: >Make automatic numa and cpu counts discovery optional. > >v5: >Split the refactor patch into smaller patches. >Simplify buildtools/get_numa_count.py. >Add more explanation to cover letter. > >v6: >Apply cross file options arch agnostically, not just in Arm cross >builds. >Streamline Arm build setup and machine args: always use native args in >native builds, require implementer ID and part number for cross builds. > >v7: >Arm config options are now organized in one dictionary. >Removed unsupported implementers and removed fallback to generic >implementer/part number for unknown implementer/part number. >Added meson config option arm_soc which can be used to specify >configuration to be used, useful for aarch64 -> aarch64 builds. > >v8: >Rebase. > >v9: >Split SoC and implementer dictionaries into smaller parts. >Fixed DPAA and ARMADA SoC configuration. >Added documentation about supported SoCs. > >v10: >Added a commit that fixes Graviton2 clang build failures in native >build. > >v11: >Rebase. > >v12: >Fixed dpaa and armada cross builds in generic build commit. > >v13: >Removed two commits which were not arm-specific: >1. build: alias default build as generic >2. build: optional NUMA and cpu counts detection >Also minor adjustments to commit messages in: >1. build: isolate configuration for Arm generic build >2. build: disable drivers in Arm builds > >v14: >Resent for retesting (because of suspected false negative). > >Series Acked-by: Jerin Jacob <jer...@marvell.com> >Series Tested-by: Jerin Jacob <jer...@marvell.com> >Series Tested-by: Dharmik Thakkar <dharmik.thak...@arm.com> >Series Tested-by: Vimal Chungath <vcchu...@amazon.com> >
Series Tested-by: Pavan Nikhilesh <pbhagavat...@marvell.com> Also, I believe we need to take a look at ARCH_SOC_ID support coming up in 5.9 kernel. https://lore.kernel.org/linux-arm-kernel/20200506164411.3284-1-sudeep.ho...@arm.com/ >Juraj Linkeš (12): > build: rename Arm build variables > build: remove unused or superfluous variables > build: reformat and move Arm config and comments > build: simplify how Arm flags are processed > build: organize Arm config into dict > build: isolate configuration for Arm generic build > build: use native machine args in Arm native build > build: add core and NUMA counts to cross files > build: disable drivers in Arm builds > build: disable libnuma in cross builds > build: add Arm SoC meson option > config: fix Arm implementer and its SoCs > > config/arm/arm64_armada_linux_gcc | 2 +- > config/arm/arm64_armv8_linux_gcc | 15 +- > config/arm/arm64_bluefield_linux_gcc | 3 +- > config/arm/arm64_dpaa_linux_gcc | 2 +- > config/arm/arm64_emag_linux_gcc | 2 +- > config/arm/arm64_graviton2_linux_gcc | 3 +- > config/arm/arm64_n1sdp_linux_gcc | 3 +- > config/arm/arm64_octeontx2_linux_gcc | 3 +- > config/arm/arm64_stingray_linux_gcc | 3 +- > config/arm/arm64_thunderx2_linux_gcc | 3 +- > ..._linux_gcc => arm64_thunderxt88_linux_gcc} | 2 +- > config/arm/meson.build | 502 ++++++++++++------ > config/meson.build | 34 +- > .../linux_gsg/cross_build_dpdk_for_arm64.rst | 30 ++ > drivers/meson.build | 6 +- > meson.build | 1 + > meson_options.txt | 2 + > 17 files changed, 413 insertions(+), 203 deletions(-) > rename config/arm/{arm64_thunderx_linux_gcc => >arm64_thunderxt88_linux_gcc} (92%) > >-- >2.20.1
