Populate the cpu_enabled_map correctly. Note that this patch does not actually make any decisions based on the contents of the map. However, as the map is presented via sysfs in: /sys/devices/system/cpu/ It should be populated correctly. Signed-off-by: Alex Chiang <achiang@xxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> --- arch/powerpc/kernel/setup-common.c | 1 + arch/powerpc/platforms/powermac/smp.c | 1 + arch/powerpc/platforms/pseries/hotplug-cpu.c | 2 ++ 3 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index db540ea..a4c894a 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -413,6 +413,7 @@ void __init smp_setup_cpu_maps(void) DBG(" thread %d -> cpu %d (hard id %d)\n", j, cpu, intserv[j]); cpu_set(cpu, cpu_present_map); + cpu_set(cpu, cpu_enabled_map); set_hard_smp_processor_id(cpu, intserv[j]); cpu_set(cpu, cpu_possible_map); cpu++; diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index cb2d894..a74dada 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -317,6 +317,7 @@ static int __init smp_psurge_probe(void) ncpus = NR_CPUS; for (i = 1; i < ncpus ; ++i) { cpu_set(i, cpu_present_map); + cpu_set(i, cpu_enabled_map); set_hard_smp_processor_id(i, i); } diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 1f03248..e738b07 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -186,6 +186,7 @@ static int pseries_add_processor(struct device_node *np) for_each_cpu_mask(cpu, tmp) { BUG_ON(cpu_isset(cpu, cpu_present_map)); cpu_set(cpu, cpu_present_map); + cpu_set(cpu, cpu_enabled_map); set_hard_smp_processor_id(cpu, *intserv++); } err = 0; @@ -218,6 +219,7 @@ static void pseries_remove_processor(struct device_node *np) continue; BUG_ON(cpu_online(cpu)); cpu_clear(cpu, cpu_present_map); + cpu_clear(cpu, cpu_enabled_map); set_hard_smp_processor_id(cpu, -1); break; } -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html