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README: clarify baseline situation a bit (add emojis!)

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Lennart Poettering 2022-09-06 16:58:17 +02:00 committed by Luca Boccassi
parent 90782fde46
commit 4213dd2398
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README
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@ -43,10 +43,15 @@ REQUIREMENTS:
≥ 5.4 for signed Verity images
≥ 5.7 for BPF links and the BPF LSM hook
Kernel versions below 4.15 have significant gaps in functionality and
are not recommended for use with this version of systemd. Taint flag
'old-kernel' will be set. Systemd will most likely still function, but
upstream support and testing are limited.
🛑 Kernel versions below 3.15 ("minimum baseline") are not supported at
all, and are missing required functionality (e.g. CLOCK_BOOTIME support
for timerfd_create()).
⚠️ Kernel versions below 4.15 ("recommended baseline") have significant
gaps in functionality and are not recommended for use with this version
of systemd (e.g. sufficiently comprehensive and working cgroupv2
support). Taint flag 'old-kernel' will be set. systemd will most likely
still function, but upstream support and testing are limited.
Kernel Config Options:
CONFIG_DEVTMPFS