From 054042f8e12c09fec0c5a541db7a5037dc46252d Mon Sep 17 00:00:00 2001 From: Luca Boccassi Date: Wed, 22 Nov 2023 18:04:08 +0000 Subject: [PATCH] NEWS: note about reexec on update, for sd-executor --- NEWS | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/NEWS b/NEWS index 79593b967db..3fd42aa2820 100644 --- a/NEWS +++ b/NEWS @@ -68,7 +68,11 @@ CHANGES WITH 255 in spe: semantics via posix_spawn(3), and it immediately execs a new internal binary, systemd-executor, that receives the configuration to apply via memfd, and sets up the process before exec'ing the target - executable. + executable. The systemd-executor binary is pinned by file descriptor + by each manager instance (system and users), and the reference is + updated on daemon-reexec - it is thus important to reexec all running + manager instances when the systemd-executor and/or libsystemd* + libraries are updated on the filesystem. * Most of the internal process tracking is being changed to use PIDFDs instead of PIDs when the kernel supports it, to improve robustness -- 2.47.3