Changes in kernel/generic/src/smp/ipi.c [fe32163:df4ed85] in mainline

File:

• kernel/generic/src/smp/ipi.c (modified) (4 diffs)

kernel/generic/src/smp/ipi.c

@@ -27 +27 @@
  */
 
-/** @addtogroup generic
+/** @addtogroup generic 
  * @{
  */
@@ -33 +33 @@
 /**
  * @file
- * @brief Generic IPI interface.
+ * @brief       Generic IPI interface.
  */
-
+ 
 #ifdef CONFIG_SMP
 
 #include <smp/ipi.h>
 #include <config.h>
+
 
 /** Broadcast IPI message
@@ -47 +48 @@
  * @param ipi Message to broadcast.
  *
+ * @bug The decision whether to actually send the IPI must be based
+ *      on a different criterion. The current version has
+ *      problems when some of the detected CPUs are marked
+ *      disabled in machine configuration.
  */
 void ipi_broadcast(int ipi)
@@ -55 +60 @@
          * - if there is only one CPU but the kernel was compiled with CONFIG_SMP
          */
-        
-        if (config.cpu_count > 1)
+
+        if ((config.cpu_active > 1) && (config.cpu_active == config.cpu_count))
                 ipi_broadcast_arch(ipi);
 }