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| author | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2017-12-15 21:44:29 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2017-12-26 17:39:44 +0100 |
| commit | 871c6d54e4194732eaf7c7956de256c07d507e24 (patch) | |
| tree | 360e414b14a82a7a646349f4566cbaae68dffaac /man | |
| parent | 5022f08a23c0b64973b74cd71be9f5122ec655a6 (diff) | |
| download | systemd-871c6d54e4194732eaf7c7956de256c07d507e24.tar.gz | |
Add note about kernel version unportability
Diffstat (limited to 'man')
| -rw-r--r-- | man/systemd.unit.xml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml index 0d35d619e0..73f33a4580 100644 --- a/man/systemd.unit.xml +++ b/man/systemd.unit.xml @@ -1055,6 +1055,11 @@ by <command>uname -r</command>) matches a certain expression (or if prefixed with the exclamation mark does not match it). The argument must be a single string, optionally containing shell-style globs.</para> + <para>Note that using the kernel version string is an unreliable way to determine which features are supported + by a kernel, because of the widespread practice of backporting drivers, features, and fixes from newer upstream + kernels into older versions provided by distributions. Hence, this check is inherently unportable and should + not be used for units which may be used on different distributions.</para> + <para><varname>ConditionSecurity=</varname> may be used to check whether the given security module is enabled on the system. Currently, the recognized values are |