[ACPI] SMP poweroff (David Shaohua Li)

http://bugzilla.kernel.org/show_bug.cgi?id=1141

diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c
index 0eb181ea30aeaac27f6d0c62f63944a5f920c7ae..257e16f196c7d748f9084495c4aa2a1895020079 100644 (file)
--- a/drivers/acpi/sleep/poweroff.c
+++ b/drivers/acpi/sleep/poweroff.c
@@ -8,11 +8,14 @@
 #include <linux/pm.h>
 #include <linux/init.h>
 #include <acpi/acpi_bus.h>
+#include <linux/sched.h>
 
 static void
 acpi_power_off (void)
 {
        printk("%s called\n",__FUNCTION__);
+       /* Some SMP machines only can poweroff in boot CPU */
+       set_cpus_allowed(current, cpumask_of_cpu(0));
        acpi_enter_sleep_state_prep(ACPI_STATE_S5);
        ACPI_DISABLE_IRQS();
        acpi_enter_sleep_state(ACPI_STATE_S5);