diff options
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 319dfea30133..b1e2e50d5c8d 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2751,7 +2751,6 @@ Kernel parameters Format: <RDP>,<reset>,<pci_scan>,<verbosity> isolcpus= [KNL,SMP,ISOL] Isolate a given set of CPUs from disturbance. - [Deprecated - use cpusets instead] Format: [flag-list,]<cpu-list> Specify one or more CPUs to isolate from disturbances @@ -2776,11 +2775,10 @@ Kernel parameters Isolate from the general SMP balancing and scheduling algorithms. Note that performing domain isolation this way is irreversible: it's not possible to bring back a CPU to - the domains once isolated through isolcpus. It's strongly - advised to use cpusets instead to disable scheduler load - balancing through the "cpuset.sched_load_balance" file. - It offers a much more flexible interface where CPUs can - move in and out of an isolated set anytime. + the domains once isolated through this boot time + configuration. Use cpusets for a dynamic configuration + which can be altered at runtime. For details see + Documentation/admin-guide/cpu-isolation.rst. You can move a process onto or off an "isolated" CPU via the CPU affinity syscalls or cpuset. |