MIPS: c-r4k: Exclude sibling CPUs in SMP calls

[cascardo/linux.git] / arch / mips / kernel / smp.c

diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 783d5f5..f95f094 100644 (file)
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -72,7 +72,7 @@ EXPORT_SYMBOL(cpu_core_map);
  * A logcal cpu mask containing only one VPE per core to
  * reduce the number of IPIs on large MT systems.
  */
-cpumask_t cpu_foreign_map __read_mostly;
+cpumask_t cpu_foreign_map[NR_CPUS] __read_mostly;
 EXPORT_SYMBOL(cpu_foreign_map);
 
 /* representing cpus for which sibling maps can be computed */
@@ -141,7 +141,9 @@ void calculate_cpu_foreign_map(void)
                        cpumask_set_cpu(i, &temp_foreign_map);
        }
 
-       cpumask_copy(&cpu_foreign_map, &temp_foreign_map);
+       for_each_online_cpu(i)
+               cpumask_andnot(&cpu_foreign_map[i],
+                              &temp_foreign_map, &cpu_sibling_map[i]);
 }
 
 struct plat_smp_ops *mp_ops;