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Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (66 commits)
  x86: export vector_used_by_percpu_irq
  x86: use logical apicid in x2apic_cluster's x2apic_cpu_mask_to_apicid_and()
  sched: nominate preferred wakeup cpu, fix
  x86: fix lguest used_vectors breakage, -v2
  x86: fix warning in arch/x86/kernel/io_apic.c
  sched: fix warning in kernel/sched.c
  sched: move test_sd_parent() to an SMP section of sched.h
  sched: add SD_BALANCE_NEWIDLE at MC and CPU level for sched_mc>0
  sched: activate active load balancing in new idle cpus
  sched: bias task wakeups to preferred semi-idle packages
  sched: nominate preferred wakeup cpu
  sched: favour lower logical cpu number for sched_mc balance
  sched: framework for sched_mc/smt_power_savings=N
  sched: convert BALANCE_FOR_xx_POWER to inline functions
  x86: use possible_cpus=NUM to extend the possible cpus allowed
  x86: fix cpu_mask_to_apicid_and to include cpu_online_mask
  x86: update io_apic.c to the new cpumask code
  x86: Introduce topology_core_cpumask()/topology_thread_cpumask()
  x86: xen: use smp_call_function_many()
  x86: use work_on_cpu in x86/kernel/cpu/mcheck/mce_amd_64.c
  ...

Fixed up trivial conflict in kernel/time/tick-sched.c manually
This commit is contained in:
Linus Torvalds
2009-01-02 11:44:09 -08:00
parent 597b0d2162 c3d80000e3
commit b840d79631
198 changed files with 2018 additions and 1423 deletions
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15
arch/x86/kernel/irq_64.c
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@ -80,16 +80,17 @@ asmlinkage unsigned int __irq_entry do_IRQ(struct pt_regs *regs)
}
#ifdef CONFIG_HOTPLUG_CPU
void fixup_irqs(cpumask_t map)
/* A cpu has been removed from cpu_online_mask. Reset irq affinities. */
void fixup_irqs(void)
{
unsigned int irq;
static int warned;
struct irq_desc *desc;
for_each_irq_desc(irq, desc) {
cpumask_t mask;
int break_affinity = 0;
int set_affinity = 1;
const struct cpumask *affinity;
if (!desc)
continue;
@ -99,23 +100,23 @@ void fixup_irqs(cpumask_t map)
/* interrupt's are disabled at this point */
spin_lock(&desc->lock);
affinity = &desc->affinity;
if (!irq_has_action(irq) ||
cpus_equal(desc->affinity, map)) {
cpumask_equal(affinity, cpu_online_mask)) {
spin_unlock(&desc->lock);
continue;
}
cpus_and(mask, desc->affinity, map);
if (cpus_empty(mask)) {
if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) {
break_affinity = 1;
mask = map;
affinity = cpu_all_mask;
}
if (desc->chip->mask)
desc->chip->mask(irq);
if (desc->chip->set_affinity)
desc->chip->set_affinity(irq, mask);
desc->chip->set_affinity(irq, affinity);
else if (!(warned++))
set_affinity = 0;