From: Luca Boccassi Date: Wed, 22 Nov 2023 18:04:08 +0000 (+0000) Subject: NEWS: note about reexec on update, for sd-executor X-Git-Tag: v255-rc3~2^2 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F30153%2Fhead;p=thirdparty%2Fsystemd.git NEWS: note about reexec on update, for sd-executor --- 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