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genirq/irqdomain: Propagate early activation

Sfoglia il codice sorgente 
Propagate the early activation mode to the irqdomain activate()
callbacks. This is required for the upcoming reservation, late vector
assignment scheme, so that the early activation call can act accordingly.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Tested-by: Yu Chen <yu.c.chen@intel.com>
Acked-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Alok Kataria <akataria@vmware.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Rui Zhang <rui.zhang@intel.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Len Brown <lenb@kernel.org>
Link: https://lkml.kernel.org/r/20170913213153.028353660@linutronix.de
This commit is contained in:
Thomas Gleixner
2017-09-13 23:29:12 +02:00
parent bb9b428a5c
commit 42e1cc2dc5
6 ha cambiato i file con 13 aggiunte e 12 eliminazioni
Scarica il file Patch Scarica il file Diff Expand all files Collapse all files

4
kernel/irq/chip.c
Vedi File

@@ -223,7 +223,7 @@ __irq_startup_managed(struct irq_desc *desc, struct cpumask *aff, bool force)
* Managed interrupts have reserved resources, so this should not
* happen.
*/
if (WARN_ON(irq_domain_activate_irq(d)))
if (WARN_ON(irq_domain_activate_irq(d, false)))
return IRQ_STARTUP_ABORT;
return IRQ_STARTUP_MANAGED;
}
@@ -290,7 +290,7 @@ int irq_activate(struct irq_desc *desc)
struct irq_data *d = irq_desc_get_irq_data(desc);
if (!irqd_affinity_is_managed(d))
return irq_domain_activate_irq(d);
return irq_domain_activate_irq(d, false);
return 0;
}

2
kernel/irq/internals.h
Vedi File

@@ -439,7 +439,7 @@ static inline bool irq_fixup_move_pending(struct irq_desc *desc, bool fclear)
#endif /* !CONFIG_GENERIC_PENDING_IRQ */
#if !defined(CONFIG_IRQ_DOMAIN) || !defined(CONFIG_IRQ_DOMAIN_HIERARCHY)
static inline int irq_domain_activate_irq(struct irq_data *data)
static inline int irq_domain_activate_irq(struct irq_data *data, bool early)
{
irqd_set_activated(data);
return 0;

11
kernel/irq/irqdomain.c
Vedi File

@@ -1694,7 +1694,7 @@ static void __irq_domain_deactivate_irq(struct irq_data *irq_data)
}
}
static int __irq_domain_activate_irq(struct irq_data *irqd)
static int __irq_domain_activate_irq(struct irq_data *irqd, bool early)
{
int ret = 0;
@@ -1702,9 +1702,10 @@ static int __irq_domain_activate_irq(struct irq_data *irqd)
struct irq_domain *domain = irqd->domain;
if (irqd->parent_data)
ret = __irq_domain_activate_irq(irqd->parent_data);
ret = __irq_domain_activate_irq(irqd->parent_data,
early);
if (!ret && domain->ops->activate) {
ret = domain->ops->activate(domain, irqd, false);
ret = domain->ops->activate(domain, irqd, early);
/* Rollback in case of error */
if (ret && irqd->parent_data)
__irq_domain_deactivate_irq(irqd->parent_data);
@@ -1721,12 +1722,12 @@ static int __irq_domain_activate_irq(struct irq_data *irqd)
* This is the second step to call domain_ops->activate to program interrupt
* controllers, so the interrupt could actually get delivered.
*/
int irq_domain_activate_irq(struct irq_data *irq_data)
int irq_domain_activate_irq(struct irq_data *irq_data, bool early)
{
int ret = 0;
if (!irqd_is_activated(irq_data))
ret = __irq_domain_activate_irq(irq_data);
ret = __irq_domain_activate_irq(irq_data, early);
if (!ret)
irqd_set_activated(irq_data);
return ret;

2
kernel/irq/msi.c
Vedi File

@@ -401,7 +401,7 @@ int msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev,
struct irq_data *irq_data;
irq_data = irq_domain_get_irq_data(domain, desc->irq);
ret = irq_domain_activate_irq(irq_data);
ret = irq_domain_activate_irq(irq_data, true);
if (ret)
goto cleanup;
}