[PATCH] wext: Fix RtNetlink ENCODE security permissions

[powerpc.git] / arch / i386 / kernel / smpboot.c

diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 82371d8..a696990 100644 (file)
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -72,6 +72,9 @@ int phys_proc_id[NR_CPUS] __read_mostly = {[0 ... NR_CPUS-1] = BAD_APICID};
 /* Core ID of each logical CPU */
 int cpu_core_id[NR_CPUS] __read_mostly = {[0 ... NR_CPUS-1] = BAD_APICID};
 
+/* Last level cache ID of each logical CPU */
+int cpu_llc_id[NR_CPUS] __cpuinitdata = {[0 ... NR_CPUS-1] = BAD_APICID};
+
 /* representing HT siblings of each logical CPU */
 cpumask_t cpu_sibling_map[NR_CPUS] __read_mostly;
 EXPORT_SYMBOL(cpu_sibling_map);
@@ -440,6 +443,18 @@ static void __devinit smp_callin(void)
 
 static int cpucount;
 
+/* maps the cpu to the sched domain representing multi-core */
+cpumask_t cpu_coregroup_map(int cpu)
+{
+       struct cpuinfo_x86 *c = cpu_data + cpu;
+       /*
+        * For perf, we return last level cache shared map.
+        * TBD: when power saving sched policy is added, we will return
+        *      cpu_core_map when power saving policy is enabled
+        */
+       return c->llc_shared_map;
+}
+
 /* representing cpus for which sibling maps can be computed */
 static cpumask_t cpu_sibling_setup_map;
 
@@ -459,12 +474,16 @@ set_cpu_sibling_map(int cpu)
                                cpu_set(cpu, cpu_sibling_map[i]);
                                cpu_set(i, cpu_core_map[cpu]);
                                cpu_set(cpu, cpu_core_map[i]);
+                               cpu_set(i, c[cpu].llc_shared_map);
+                               cpu_set(cpu, c[i].llc_shared_map);
                        }
                }
        } else {
                cpu_set(cpu, cpu_sibling_map[cpu]);
        }
 
+       cpu_set(cpu, c[cpu].llc_shared_map);
+
        if (current_cpu_data.x86_max_cores == 1) {
                cpu_core_map[cpu] = cpu_sibling_map[cpu];
                c[cpu].booted_cores = 1;
@@ -472,6 +491,11 @@ set_cpu_sibling_map(int cpu)
        }
 
        for_each_cpu_mask(i, cpu_sibling_setup_map) {
+               if (cpu_llc_id[cpu] != BAD_APICID &&
+                   cpu_llc_id[cpu] == cpu_llc_id[i]) {
+                       cpu_set(i, c[cpu].llc_shared_map);
+                       cpu_set(cpu, c[i].llc_shared_map);
+               }
                if (phys_proc_id[cpu] == phys_proc_id[i]) {
                        cpu_set(i, cpu_core_map[cpu]);
                        cpu_set(cpu, cpu_core_map[i]);