Signed-off-by: Frederic Weisbecker <[email protected]>
Cc: Chris Metcalf <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Wanpeng Li <[email protected]>
Cc: Luiz Capitulino <[email protected]>
---
Documentation/admin-guide/kernel-parameters.txt | 35 +++++++++++++++----------
1 file changed, 21 insertions(+), 14 deletions(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt
b/Documentation/admin-guide/kernel-parameters.txt
index 6b99c8b..5853618 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1727,20 +1727,27 @@
isapnp= [ISAPNP]
Format: <RDP>,<reset>,<pci_scan>,<verbosity>
- isolcpus= [KNL,SMP] Isolate CPUs from the general scheduler.
- The argument is a cpu list, as described above.
-
- This option can be used to specify one or more CPUs
- to isolate from the general SMP balancing and scheduling
- algorithms. You can move a process onto or off an
- "isolated" CPU via the CPU affinity syscalls or cpuset.
- <cpu number> begins at 0 and the maximum value is
- "number of CPUs in system - 1".
-
- This option is the preferred way to isolate CPUs. The
- alternative -- manually setting the CPU mask of all
- tasks in the system -- can cause problems and
- suboptimal load balancer performance.
+ isolcpus= [KNL,SMP] Isolate a given set of CPUs from disturbance.
+ Format: [flag-list,]<cpu-list>
+
+ Specify one or more CPUs to isolate from disturbances
+ specified in the flag list (default: domain):
+
+ nohz
+ Disable the tick when a single task runs.
+ domain
+ Isolate from the general SMP balancing and scheduling
+ algorithms. This option is the preferred way to
isolate
+ CPUs from tasks. The alternative -- manually setting
the
+ CPU mask of all tasks in the system, can cause
problems
+ and suboptimal load balancer performance. You can
move a
+ process onto or off an "isolated" CPU via the CPU
+ affinity syscalls or cpuset. <cpu number> begins at 0
+ and the maximum value is "number of CPUs in system -
1".
+
+ The format of <cpu-list> is described above.
+
+
iucv= [HW,NET]
--
2.7.4
