Author: nwhitehorn
Date: Tue Feb 10 00:57:26 2015
New Revision: 278482
URL: https://svnweb.freebsd.org/changeset/base/278482

Log:
  Add error reporting to interrupt CPU binding.

Modified:
  head/sys/powerpc/pseries/xics.c

Modified: head/sys/powerpc/pseries/xics.c
==============================================================================
--- head/sys/powerpc/pseries/xics.c     Tue Feb 10 00:55:42 2015        
(r278481)
+++ head/sys/powerpc/pseries/xics.c     Tue Feb 10 00:57:26 2015        
(r278482)
@@ -197,12 +197,13 @@ xicp_bind(device_t dev, u_int irq, cpuse
 {
        struct xicp_softc *sc = device_get_softc(dev);
        cell_t status, cpu;
-       int ncpus, i;
+       int ncpus, i, error;
 
        /*
         * This doesn't appear to actually support affinity groups, so pick a
         * random CPU.
         */
+       ncpus = 0;
        CPU_FOREACH(cpu)
                if (CPU_ISSET(cpu, &cpumask)) ncpus++;
 
@@ -217,8 +218,10 @@ xicp_bind(device_t dev, u_int irq, cpuse
        }
        
 
-       rtas_call_method(sc->ibm_set_xive, 3, 1, irq, cpu, XICP_PRIORITY,
-           &status);
+       error = rtas_call_method(sc->ibm_set_xive, 3, 1, irq, cpu,
+           XICP_PRIORITY, &status);
+       if (error < 0)
+               panic("Cannot bind interrupt %d to CPU %d", irq, cpu);
 }
 
 static void
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