powerpc: Use cpu_thread_in_core in smp_init for of_spin_map

[cascardo/linux.git] / arch / powerpc / platforms / cell / smp.c

diff --git a/arch/powerpc/platforms/cell/smp.c b/arch/powerpc/platforms/cell/smp.c
index efb3964..c0d86e1 100644 (file)
--- a/arch/powerpc/platforms/cell/smp.c
+++ b/arch/powerpc/platforms/cell/smp.c
@@ -54,8 +54,8 @@
 #endif
 
 /*
- * The primary thread of each non-boot processor is recorded here before
- * smp init.
+ * The Primary thread of each non-boot processor was started from the OF client
+ * interface by prom_hold_cpus and is spinning on secondary_hold_spinloop.
  */
 static cpumask_t of_spin_map;
 
@@ -208,11 +208,7 @@ void __init smp_init_cell(void)
        /* Mark threads which are still spinning in hold loops. */
        if (cpu_has_feature(CPU_FTR_SMT)) {
                for_each_present_cpu(i) {
-                       if (i % 2 == 0)
-                               /*
-                                * Even-numbered logical cpus correspond to
-                                * primary threads.
-                                */
+                       if (cpu_thread_in_core(i) == 0)
                                cpu_set(i, of_spin_map);
                }
        } else {