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Merge branches 'x86/mm', 'x86/build', 'x86/apic' and 'x86/platform' into x86/core, to apply dependent patch

Browse source 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2015-06-03 10:05:18 +02:00
commit 34e7724c07
122 changed files with 3621 additions and 3155 deletions
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14
kernel/irq/chip.c
View file

@ -949,6 +949,20 @@ int irq_chip_retrigger_hierarchy(struct irq_data *data)
return -ENOSYS;
}
/**
* irq_chip_set_vcpu_affinity_parent - Set vcpu affinity on the parent interrupt
* @data: Pointer to interrupt specific data
* @dest: The vcpu affinity information
*/
int irq_chip_set_vcpu_affinity_parent(struct irq_data *data, void *vcpu_info)
{
data = data->parent_data;
if (data->chip->irq_set_vcpu_affinity)
return data->chip->irq_set_vcpu_affinity(data, vcpu_info);
return -ENOSYS;
}
/**
* irq_chip_set_wake_parent - Set/reset wake-up on the parent interrupt
* @data: Pointer to interrupt specific data

31
kernel/irq/manage.c
View file

@ -256,6 +256,37 @@ int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m)
}
EXPORT_SYMBOL_GPL(irq_set_affinity_hint);
/**
* irq_set_vcpu_affinity - Set vcpu affinity for the interrupt
* @irq: interrupt number to set affinity
* @vcpu_info: vCPU specific data
*
* This function uses the vCPU specific data to set the vCPU
* affinity for an irq. The vCPU specific data is passed from
* outside, such as KVM. One example code path is as below:
* KVM -> IOMMU -> irq_set_vcpu_affinity().
*/
int irq_set_vcpu_affinity(unsigned int irq, void *vcpu_info)
{
unsigned long flags;
struct irq_desc *desc = irq_get_desc_lock(irq, &flags, 0);
struct irq_data *data;
struct irq_chip *chip;
int ret = -ENOSYS;
if (!desc)
return -EINVAL;
data = irq_desc_get_irq_data(desc);
chip = irq_data_get_irq_chip(data);
if (chip && chip->irq_set_vcpu_affinity)
ret = chip->irq_set_vcpu_affinity(data, vcpu_info);
irq_put_desc_unlock(desc, flags);
return ret;
}
EXPORT_SYMBOL_GPL(irq_set_vcpu_affinity);
static void irq_affinity_notify(struct work_struct *work)
{
struct irq_affinity_notify *notify =