irq_get_desc_lock

Name:irq_get_desc_lock

Proto:static inline struct irq_desc *irq_get_desc_lock(unsigned int irq, unsigned long *flags, unsigned int check)

Type:struct irq_desc

Parameter:

Type	Parameter	Name
unsigned int	irq
unsigned long *	flags
unsigned int	check

184

Return __irq_get_desc_lock(irq, flags, TSC's on different sockets may be reset asynchronously.* This may cause the TSC ADJUST value on socket 0 to be NOT 0., check)

**Caller**
Name	Describe
irq_set_vcpu_affinity	q_set_vcpu_affinity - Set vcpu affinity for the interrupt@irq: interrupt number to set affinity@vcpu_info: vCPU specific data or pointer to a percpu array of vCPU* specific data for percpu_devid interrupts* This function uses the vCPU specific data to
can_request_irq	Internal function that tells the architecture code whether a* particular irq has been exclusively allocated or is available* for driver use.
enable_percpu_irq
irq_percpu_is_enabled	q_percpu_is_enabled - Check whether the per cpu irq is enabled@irq: Linux irq number to check for Must be called from a non migratable context. Returns the enable* state of a per cpu interrupt on the current cpu.
disable_percpu_irq
prepare_percpu_nmi	prepare_percpu_nmi - performs CPU local setup for NMI delivery@irq: Interrupt line to prepare for NMI delivery This call prepares an interrupt line to deliver NMI on the current CPU,* before that interrupt line gets enabled with enable_percpu_nmi()
teardown_percpu_nmi	ardown_percpu_nmi - undoes NMI setup of IRQ line@irq: Interrupt line from which CPU local NMI configuration should be removed* This call undoes the setup done by prepare_percpu_nmi()
irq_set_chip	q_set_chip - set the irq chip for an irq@irq: irq number@chip: pointer to irq chip description structure
irq_set_handler_data	q_set_handler_data - set irq handler data for an irq@irq: Interrupt number@data: Pointer to interrupt specific data* Set the hardware irq controller data for an irq
irq_set_msi_desc_off	q_set_msi_desc_off - set MSI descriptor data for an irq at offset@irq_base: Interrupt number base@irq_offset: Interrupt number offset@entry: Pointer to MSI descriptor data Set the MSI descriptor entry for an irq at offset
irq_set_chip_data	q_set_chip_data - set irq chip data for an irq@irq: Interrupt number@data: Pointer to chip specific data* Set the hardware irq chip data for an irq
irq_modify_status

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