Merge remote-tracking branch 'tip/auto-latest'

[karo-tx-linux.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 52a4cf89bf80d0baf2ba1f62f2fb051972d16a50..0119c87186013b577e322f76c409a110ca4a8dc0 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -4251,6 +4251,17 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        The default value of this parameter is determined by
                        the config option CONFIG_WQ_POWER_EFFICIENT_DEFAULT.
 
+       workqueue.debug_force_rr_cpu
+                       Workqueue used to implicitly guarantee that work
+                       items queued without explicit CPU specified are put
+                       on the local CPU.  This guarantee is no longer true
+                       and while local CPU is still preferred work items
+                       may be put on foreign CPUs.  This debug option
+                       forces round-robin CPU selection to flush out
+                       usages which depend on the now broken guarantee.
+                       When enabled, memory and cache locality will be
+                       impacted.
+
        x2apic_phys     [X86-64,APIC] Use x2apic physical mode instead of
                        default x2apic cluster mode on platforms
                        supporting x2apic.