In the process of initiating multiple processes concurrently, specifically with automatic detection of the primary process, certain race conditions have been identified. This patch series introduces a straightforward test that showcases the issue and subsequently addresses the problems surfaced by the test. These fixes aim to ensure the robust and secure utilization of DPDK within intricate solutions that involve starting processes with job orchestrators such as Slurm or Hadoop YARN.
Artemy Kovalyov (5): app/test-mp: add multiprocess test eal: fix multiprocess hotplug race ipc: fix mp channel closure to prevent message loss eal: fix first time primary autodetect eal: fix memzone fbarray cleanup app/meson.build | 1 + app/test-mp/main.c | 52 +++++++++++++++++++++++++++++++++++++ app/test-mp/meson.build | 8 ++++++ app/test-mp/run.sh | 40 ++++++++++++++++++++++++++++ lib/eal/common/eal_common_memzone.c | 12 +++++++++ lib/eal/common/eal_common_proc.c | 4 +-- lib/eal/common/eal_private.h | 5 ++++ lib/eal/common/hotplug_mp.c | 3 +++ lib/eal/linux/eal.c | 3 ++- 9 files changed, 125 insertions(+), 3 deletions(-) create mode 100644 app/test-mp/main.c create mode 100644 app/test-mp/meson.build create mode 100755 app/test-mp/run.sh -- 1.8.3.1
