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authorMike Yuan <me@yhndnzj.com>2024-10-15 18:36:51 +0200
committerMike Yuan <me@yhndnzj.com>2024-10-16 18:06:11 +0200
commit102efcd3120831b6823e9ad8b0ba4628e981b3f4 (patch)
tree3688e3885a2a60f04e50257ac614985f9f47b159 /README
parentNEWS: rearrange incompatible changes, separate from Future Removals (diff)
downloadsystemd-102efcd3120831b6823e9ad8b0ba4628e981b3f4.tar.xz
systemd-102efcd3120831b6823e9ad8b0ba4628e981b3f4.zip
Bump kernel recommended baseline to v5.4
Diffstat (limited to 'README')
-rw-r--r--README8
1 files changed, 4 insertions, 4 deletions
diff --git a/README b/README
index 7c7bbaf070..9b84bf7e7a 100644
--- a/README
+++ b/README
@@ -39,16 +39,16 @@ REQUIREMENTS:
≥ 4.17 for cgroup-bpf socket address hooks
≥ 4.20 for PSI (used by systemd-oomd)
≥ 5.3 for bounded loops in BPF program
- ≥ 5.4 for signed Verity images
- ≥ 5.7 for BPF links and the BPF LSM hook
+ ≥ 5.4 for pidfd and signed Verity images
+ ≥ 5.7 for CLONE_INTO_CGROUP, BPF links and the BPF LSM hook
⛔ Kernel versions below 3.15 ("minimum baseline") are not supported at
all, and are missing required functionality (e.g. CLOCK_BOOTTIME
support for timerfd_create()).
- ⚠️ Kernel versions below 4.15 ("recommended baseline") have significant
+ ⚠️ Kernel versions below 5.4 ("recommended baseline") have significant
gaps in functionality and are not recommended for use with this version
- of systemd (e.g. lack sufficiently comprehensive and working cgroupv2
+ of systemd (e.g. lack race-free process tracking by pidfd and new mount API
support). Taint flag 'old-kernel' will be set. systemd will most likely
still function, but upstream support and testing are limited.