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man: clarify that the controllers listed on Delegate= might not be the only ones

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Lennart Poettering 2017-11-20 12:40:08 +01:00
parent b961baf1ce
commit 99f3baa983
1 changed files with 4 additions and 3 deletions
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7
man/systemd.resource-control.xml
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@ -720,9 +720,10 @@
of control group controller names. If true, delegation is turned on, and all supported controllers are
enabled for the unit, making them available to the unit's processes for management. If false, delegation is
turned off entirely (and no additional controllers are enabled). If set to a list of controllers, delegation
is turned on, and the specified controllers are enabled for the unit. Note that assigning the empty string
will enable delegation, but reset the list of controllers, all assignments prior to this will have no effect.
Defaults to false.</para>
is turned on, and the specified controllers are enabled for the unit. Note that additional controllers than
the ones specified might be made available as well, depending on configuration of the containing slice unit
or other units contained in it. Note that assigning the empty string will enable delegation, but reset the
list of controllers, all assignments prior to this will have no effect. Defaults to false.</para>
<para>Note that controller delegation to less privileged code is only safe on the unified control group
hierarchy. Accordingly, access to the specified controllers will not be granted to unprivileged services on