diff options
Diffstat (limited to 'README')
| -rw-r--r-- | README | 18 |
1 files changed, 16 insertions, 2 deletions
@@ -82,11 +82,11 @@ REQUIREMENTS: CONFIG_SECCOMP CONFIG_CHECKPOINT_RESTORE (for the kcmp() syscall) - Required for CPUShares in resource control unit settings + Required for CPUShares= in resource control unit settings CONFIG_CGROUP_SCHED CONFIG_FAIR_GROUP_SCHED - Required for CPUQuota in resource control unit settings + Required for CPUQuota= in resource control unit settings CONFIG_CFS_BANDWIDTH For systemd-bootchart, several proc debug interfaces are required: @@ -97,6 +97,15 @@ REQUIREMENTS: CONFIG_EFIVAR_FS CONFIG_EFI_PARTITION + We recommend to turn off Real-Time group scheduling in the + kernel when using systemd. RT group scheduling effectively + makes RT scheduling unavailable for most userspace, since it + requires explicit assignment of RT budgets to each unit whose + processes making use of RT. As there's no sensible way to + assign these budgets automatically this cannot really be + fixed, and it's best to disable group scheduling hence. + CONFIG_RT_GROUP_SCHED=n + Note that kernel auditing is broken when used with systemd's container code. When using systemd in conjunction with containers, please make sure to either turn off auditing at @@ -261,6 +270,11 @@ WARNINGS: false positives will be triggered by code which violates some rules but is actually safe. + Currently, systemd-timesyncd defaults to use the Google NTP + servers if not specified otherwise at configure time. You + really should not ship an OS or device with this default + setting. See DISTRO_PORTING for details. + ENGINEERING AND CONSULTING SERVICES: ENDOCODE <https://endocode.com/> offers professional engineering and consulting services for systemd. Please |