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Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse source 
Pull irq fixes from Thomas Gleixner:
 "A pile of smallish changes all over the place:

   - Add a missing ISB in the GIC V1 driver

   - Remove an ACPI version check in the GIC V3 ITS driver

   - Add the missing irq_pm_shutdown function for BRCMSTB-L2 to avoid
     spurious wakeups

   - Remove the artifical limitation of ITS instances to the number of
     NUMA nodes which prevents utilizing the ITS hardware correctly

   - Prevent a infinite parsing loop in the GIC-V3 ITS/MSI code

   - Honour the force affinity argument in the GIC-V3 driver which is
     required to make perf work correctly

   - Correctly report allocation failures in GIC-V2/V3 to avoid using
     half allocated and initialized interrupts.

   - Fixup checks against nr_cpu_ids in the generic IPI code"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq/ipi: Fixup checks against nr_cpu_ids
  genirq: Restore trigger settings in irq_modify_status()
  MAINTAINERS: Remove Jason Cooper's irqchip git tree
  irqchip/gic-v3-its-platform-msi: Fix msi-parent parsing loop
  irqchip/gic-v3-its: Allow GIC ITS number more than MAX_NUMNODES
  irqchip: brcmstb-l2: Define an irq_pm_shutdown function
  irqchip/gic: Ensure we have an ISB between ack and ->handle_irq
  irqchip/gic-v3-its: Remove ACPICA version check for ACPI NUMA
  irqchip/gic-v3: Honor forced affinity setting
  irqchip/gic-v3: Report failures in gic_irq_domain_alloc
  irqchip/gic-v2: Report failures in gic_irq_domain_alloc
  irqchip/atmel-aic: Remove root argument from ->fixup() prototype
  irqchip/atmel-aic: Fix unbalanced refcount in aic_common_rtc_irq_fixup()
  irqchip/atmel-aic: Fix unbalanced of_node_put() in aic_common_irq_fixup()
This commit is contained in:
Linus Torvalds 2017-08-20 09:07:56 -07:00
commit 9dae41a238
12 changed files with 84 additions and 38 deletions
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10
kernel/irq/chip.c
View file

@ -1000,7 +1000,7 @@ EXPORT_SYMBOL_GPL(irq_set_chip_and_handler_name);
void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
{
unsigned long flags;
unsigned long flags, trigger, tmp;
struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
if (!desc)
@ -1014,6 +1014,8 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
irq_settings_clr_and_set(desc, clr, set);
trigger = irqd_get_trigger_type(&desc->irq_data);
irqd_clear(&desc->irq_data, IRQD_NO_BALANCING | IRQD_PER_CPU |
IRQD_TRIGGER_MASK | IRQD_LEVEL | IRQD_MOVE_PCNTXT);
if (irq_settings_has_no_balance_set(desc))
@ -1025,7 +1027,11 @@ void irq_modify_status(unsigned int irq, unsigned long clr, unsigned long set)
if (irq_settings_is_level(desc))
irqd_set(&desc->irq_data, IRQD_LEVEL);
irqd_set(&desc->irq_data, irq_settings_get_trigger_mask(desc));
tmp = irq_settings_get_trigger_mask(desc);
if (tmp != IRQ_TYPE_NONE)
trigger = tmp;
irqd_set(&desc->irq_data, trigger);
irq_put_desc_unlock(desc, flags);
}

4
kernel/irq/ipi.c
View file

@ -165,7 +165,7 @@ irq_hw_number_t ipi_get_hwirq(unsigned int irq, unsigned int cpu)
struct irq_data *data = irq_get_irq_data(irq);
struct cpumask *ipimask = data ? irq_data_get_affinity_mask(data) : NULL;
if (!data || !ipimask || cpu > nr_cpu_ids)
if (!data || !ipimask || cpu >= nr_cpu_ids)
return INVALID_HWIRQ;
if (!cpumask_test_cpu(cpu, ipimask))
@ -195,7 +195,7 @@ static int ipi_send_verify(struct irq_chip *chip, struct irq_data *data,
if (!chip->ipi_send_single && !chip->ipi_send_mask)
return -EINVAL;
if (cpu > nr_cpu_ids)
if (cpu >= nr_cpu_ids)
return -EINVAL;
if (dest) {