From 2f529f9b558ca1c1bd74be7437a84e4711743404 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 01 Nov 2024 02:11:33 +0000
Subject: [PATCH] add xenomai
---
kernel/include/linux/irqdesc.h | 27 ++++++++++++++++++++++++++-
1 files changed, 26 insertions(+), 1 deletions(-)
diff --git a/kernel/include/linux/irqdesc.h b/kernel/include/linux/irqdesc.h
index 5745491..f134909 100644
--- a/kernel/include/linux/irqdesc.h
+++ b/kernel/include/linux/irqdesc.h
@@ -68,7 +68,7 @@
unsigned int irqs_unhandled;
atomic_t threads_handled;
int threads_handled_last;
- raw_spinlock_t lock;
+ hybrid_spinlock_t lock;
struct cpumask *percpu_enabled;
const struct cpumask *percpu_affinity;
#ifdef CONFIG_SMP
@@ -154,6 +154,8 @@
int generic_handle_irq(unsigned int irq);
+void generic_pipeline_irq(unsigned int irq, struct pt_regs *regs);
+
#ifdef CONFIG_HANDLE_DOMAIN_IRQ
/*
* Convert a HW interrupt number to a logical one using a IRQ domain,
@@ -164,11 +166,26 @@
int __handle_domain_irq(struct irq_domain *domain, unsigned int hwirq,
bool lookup, struct pt_regs *regs);
+#ifdef CONFIG_IRQ_PIPELINE
+unsigned int irq_find_mapping(struct irq_domain *host,
+ irq_hw_number_t hwirq);
+
+static inline int handle_domain_irq(struct irq_domain *domain,
+ unsigned int hwirq, struct pt_regs *regs)
+{
+ unsigned int irq = irq_find_mapping(domain, hwirq);
+
+ generic_pipeline_irq(irq, regs);
+
+ return 0;
+}
+#else
static inline int handle_domain_irq(struct irq_domain *domain,
unsigned int hwirq, struct pt_regs *regs)
{
return __handle_domain_irq(domain, hwirq, true, regs);
}
+#endif /* !CONFIG_IRQ_PIPELINE */
#ifdef CONFIG_IRQ_DOMAIN
int handle_domain_nmi(struct irq_domain *domain, unsigned int hwirq,
@@ -252,6 +269,14 @@
return desc->status_use_accessors & IRQ_PER_CPU_DEVID;
}
+static inline int irq_is_oob(unsigned int irq)
+{
+ struct irq_desc *desc;
+
+ desc = irq_to_desc(irq);
+ return desc->status_use_accessors & IRQ_OOB;
+}
+
static inline void
irq_set_lockdep_class(unsigned int irq, struct lock_class_key *lock_class,
struct lock_class_key *request_class)
--
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