Update a README.txt

2016-03-23 14:48:03 -06:00 · 2016-03-23 14:48:03 -06:00 · 1652052f52
parent e5b0c0e502
commit 1652052f52
1 changed files with 7 additions and 0 deletions
--- a/configs/sim/README.txt
+++ b/configs/sim/README.txt
@ -265,6 +265,13 @@ SMP
    -# CONFIG_SCHED_INSTRUMENTATION is not set
    +CONFIG_SCHED_INSTRUMENTATION=y

+  The SMP configuration will run with:
+
+    CONFIG_SMP_NCPUS=1
+
+  In this case there is, of course, no muli-CPU processing, but this does
+  verify the correctness of some the basic SMP logic.
+
  The NSH configuration can also be forced to run SMP, but suffers from
  the same quirky behavior.  I can be made reliable if you modify
  arch/sim/src/up_idle.c so that the IDLE loop only runs for CPU0.