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Merge branch 'irq/for-block' into irq/core

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Pull the irq affinity managing code which is in a seperate branch for block
developers to pull.
This commit is contained in:
Thomas Gleixner
2016-07-04 12:26:05 +02:00
parent 4030103b9b 5e385a6ef3
commit 8658be133b
1006 changed files with 9719 additions and 5958 deletions
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22
kernel/irq/irqdomain.c
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@@ -481,7 +481,7 @@ unsigned int irq_create_mapping(struct irq_domain *domain,
}
/* Allocate a virtual interrupt number */
virq = irq_domain_alloc_descs(-1, 1, hwirq, of_node_to_nid(of_node));
virq = irq_domain_alloc_descs(-1, 1, hwirq, of_node_to_nid(of_node), NULL);
if (virq <= 0) {
pr_debug("-> virq allocation failed\n");
return 0;
@@ -879,19 +879,23 @@ const struct irq_domain_ops irq_domain_simple_ops = {
EXPORT_SYMBOL_GPL(irq_domain_simple_ops);
int irq_domain_alloc_descs(int virq, unsigned int cnt, irq_hw_number_t hwirq,
int node)
int node, const struct cpumask *affinity)
{
unsigned int hint;
if (virq >= 0) {
virq = irq_alloc_descs(virq, virq, cnt, node);
virq = __irq_alloc_descs(virq, virq, cnt, node, THIS_MODULE,
affinity);
} else {
hint = hwirq % nr_irqs;
if (hint == 0)
hint++;
virq = irq_alloc_descs_from(hint, cnt, node);
if (virq <= 0 && hint > 1)
virq = irq_alloc_descs_from(1, cnt, node);
virq = __irq_alloc_descs(-1, hint, cnt, node, THIS_MODULE,
affinity);
if (virq <= 0 && hint > 1) {
virq = __irq_alloc_descs(-1, 1, cnt, node, THIS_MODULE,
affinity);
}
}
return virq;
@@ -1204,6 +1208,7 @@ int irq_domain_alloc_irqs_recursive(struct irq_domain *domain,
* @node: NUMA node id for memory allocation
* @arg: domain specific argument
* @realloc: IRQ descriptors have already been allocated if true
* @affinity: Optional irq affinity mask for multiqueue devices
*
* Allocate IRQ numbers and initialized all data structures to support
* hierarchy IRQ domains.
@@ -1219,7 +1224,7 @@ int irq_domain_alloc_irqs_recursive(struct irq_domain *domain,
*/
int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base,
unsigned int nr_irqs, int node, void *arg,
bool realloc)
bool realloc, const struct cpumask *affinity)
{
int i, ret, virq;
@@ -1237,7 +1242,8 @@ int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base,
if (realloc && irq_base >= 0) {
virq = irq_base;
} else {
virq = irq_domain_alloc_descs(irq_base, nr_irqs, 0, node);
virq = irq_domain_alloc_descs(irq_base, nr_irqs, 0, node,
affinity);
if (virq < 0) {
pr_debug("cannot allocate IRQ(base %d, count %d)\n",
irq_base, nr_irqs);