> -----Original Message----- > From: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com> > Sent: Tuesday, October 27, 2020 4:54 AM > To: Juraj Linkeš <juraj.lin...@pantheon.tech>; bruce.richard...@intel.com; > Ruifeng Wang <ruifeng.w...@arm.com>; Phil Yang <phil.y...@arm.com>; > vcchu...@amazon.com; Dharmik Thakkar <dharmik.thak...@arm.com>; > jerinjac...@gmail.com; hemant.agra...@nxp.com > Cc: dev@dpdk.org; nd <n...@arm.com>; Honnappa Nagarahalli > <honnappa.nagaraha...@arm.com>; nd <n...@arm.com> > Subject: RE: [PATCH v4 0/6] Arm build options rework > > <snip> > > > > > 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. > > > > 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 > I assume cross building on x86 for a Arm target SoC does not need any > additional changes. >
Here I mean cross build to mean using a cross-file, so in this respect the cross build would be the same on x86 and Arm. > > differs in capabilities or libraries. > > This is achieved by specifying the drivers in cross files. > > > > 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. > > > > 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. > > > > Juraj Linkeš (6): > > build: alias default build as generic > > build: refactor Arm build > > build: optional NUMA and cpu counts detection > > build: add core and NUMA counts to cross files > > build: disable Arm drivers > > build: update Arm builds with makefile flags > > > > buildtools/get_cpu_count.py | 7 + > > buildtools/get_numa_count.py | 22 +++ > > buildtools/meson.build | 2 + > > config/arm/arm64_armada_linux_gcc | 6 +- > > config/arm/arm64_armv8_linux_gcc | 18 +- > > config/arm/arm64_bluefield_linux_gcc | 7 +- > > config/arm/arm64_dpaa_linux_gcc | 5 +- > > config/arm/arm64_emag_linux_gcc | 4 +- > > config/arm/arm64_n1sdp_linux_gcc | 7 +- > > config/arm/arm64_octeontx2_linux_gcc | 7 +- > > config/arm/arm64_stingray_linux_gcc | 7 +- > > config/arm/arm64_thunderx2_linux_gcc | 6 +- > > config/arm/arm64_thunderx_linux_gcc | 4 +- > > config/arm/meson.build | 278 ++++++++++++++++----------- > > config/meson.build | 54 +++++- > > drivers/meson.build | 6 +- > > meson.build | 1 + > > meson_options.txt | 8 +- > > 18 files changed, 306 insertions(+), 143 deletions(-) create mode > > 100644 buildtools/get_cpu_count.py create mode 100644 > > buildtools/get_numa_count.py > > > > -- > > 2.20.1
