From 6412941ae8d183ead5720f06cd2616f7c523f6a8 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Sat, 13 Nov 2021 09:22:55 -0800 Subject: [PATCH] vfio: cleanup the multiprocess sync handle When rte_eal_cleanup is called the rte_mp_action for VFIO should be freed. Fixes: edf73dd33072 ("ipc: handle unsupported IPC in action register") Cc: stable@dpdk.org Signed-off-by: Stephen Hemminger Acked-by: Anatoly Burakov --- lib/eal/linux/eal.c | 4 ++++ lib/eal/linux/eal_vfio.h | 1 + lib/eal/linux/eal_vfio_mp_sync.c | 8 ++++++++ 3 files changed, 13 insertions(+) diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c index fad062a2dd..d77cd871be 100644 --- a/lib/eal/linux/eal.c +++ b/lib/eal/linux/eal.c @@ -1276,7 +1276,11 @@ rte_eal_cleanup(void) if (rte_eal_process_type() == RTE_PROC_PRIMARY && internal_conf->hugepage_file.unlink_existing) rte_memseg_walk(mark_freeable, NULL); + rte_service_finalize(); +#ifdef VFIO_PRESENT + vfio_mp_sync_cleanup(); +#endif rte_mp_channel_cleanup(); /* after this point, any DPDK pointers will become dangling */ rte_eal_memory_detach(); diff --git a/lib/eal/linux/eal_vfio.h b/lib/eal/linux/eal_vfio.h index c5d5f70548..bba5c7afa5 100644 --- a/lib/eal/linux/eal_vfio.h +++ b/lib/eal/linux/eal_vfio.h @@ -133,6 +133,7 @@ int vfio_has_supported_extensions(int vfio_container_fd); int vfio_mp_sync_setup(void); +void vfio_mp_sync_cleanup(void); #define EAL_VFIO_MP "eal_vfio_mp_sync" diff --git a/lib/eal/linux/eal_vfio_mp_sync.c b/lib/eal/linux/eal_vfio_mp_sync.c index a2accfab3a..d12bbaee64 100644 --- a/lib/eal/linux/eal_vfio_mp_sync.c +++ b/lib/eal/linux/eal_vfio_mp_sync.c @@ -120,4 +120,12 @@ vfio_mp_sync_setup(void) return 0; } +void +vfio_mp_sync_cleanup(void) +{ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return; + + rte_mp_action_unregister(EAL_VFIO_MP); +} #endif -- 2.39.5