Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...

[pandora-kernel.git] / arch / x86 / xen / smp.c

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 3061244..b4533a8 100644 (file)
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -46,18 +46,17 @@ static irqreturn_t xen_call_function_interrupt(int irq, void *dev_id);
 static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id);
 
 /*
- * Reschedule call back. Nothing to do,
- * all the work is done automatically when
- * we return from the interrupt.
+ * Reschedule call back.
  */
 static irqreturn_t xen_reschedule_interrupt(int irq, void *dev_id)
 {
        inc_irq_stat(irq_resched_count);
+       scheduler_ipi();
 
        return IRQ_HANDLED;
 }
 
-static __cpuinit void cpu_bringup(void)
+static void __cpuinit cpu_bringup(void)
 {
        int cpu = smp_processor_id();
 
@@ -85,7 +84,7 @@ static __cpuinit void cpu_bringup(void)
        wmb();                  /* make sure everything is out */
 }
 
-static __cpuinit void cpu_bringup_and_idle(void)
+static void __cpuinit cpu_bringup_and_idle(void)
 {
        cpu_bringup();
        cpu_idle();
@@ -206,11 +205,18 @@ static void __init xen_smp_prepare_boot_cpu(void)
 static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
 {
        unsigned cpu;
+       unsigned int i;
 
        xen_init_lock_cpu(0);
 
        smp_store_cpu_info(0);
        cpu_data(0).x86_max_cores = 1;
+
+       for_each_possible_cpu(i) {
+               zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
+               zalloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
+               zalloc_cpumask_var(&per_cpu(cpu_llc_shared_map, i), GFP_KERNEL);
+       }
        set_cpu_sibling_map(0);
 
        if (xen_smp_intr_init(0))
@@ -242,7 +248,7 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
        }
 }
 
-static __cpuinit int
+static int __cpuinit
 cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
 {
        struct vcpu_guest_context *ctxt;
@@ -486,7 +492,7 @@ static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
 
-static const struct smp_ops xen_smp_ops __initdata = {
+static const struct smp_ops xen_smp_ops __initconst = {
        .smp_prepare_boot_cpu = xen_smp_prepare_boot_cpu,
        .smp_prepare_cpus = xen_smp_prepare_cpus,
        .smp_cpus_done = xen_smp_cpus_done,