* Run the irq_work entries on this cpu. Requires to be ran from hardirq * context with local IRQs disabled. */voidirq_work_run(void){structirq_work*list, **head;head = &__get_cpu_var(irq_work_list);if(*head ==NULL)return; BUG_ON(!in_irq()); BUG_ON(!irqs_disabled());lis...
There's no FreeRTOS API to verify if interrupts are disabled, but the alternative would have been to track this manually as per the workaround commit#15846 (comment). However I think using the "proper" critical section is more future-proof, and might avoid other subtle bugs in SMP configs...
开启中断cached_irq_mask &=mask;if(irq &8)//IR2 管脚负责 8259A 的级联,为0时使用主片,为1时使用从片outb(cached_slave_mask, PIC_SLAVE_IMR);elseoutb(cached_master_mask, PIC_MASTER_IMR);//解开自旋锁spin_unlock_irqrestore(&i8259A_lock, flags);...
It solves my problem but I haven't tried enabling and disabling IRQs on all combinations of pins and vectors. diff --git a/targets/TARGET_STM/gpio_irq_api.c b/targets/TARGET_STM/gpio_irq_api.c index b3d1cd200..63ee2a3dc 100644 --- a/targets/TARGET_STM/gpio_irq_api.c +++ b/ta...
PCI devices can share the same IRQs because the system BIOS builds a table that is called the PCI IRQ routing table. This table includes entries for each PCI device that is given an ISA IRQ that is mapped to a particular PCI INT number that is associated with the specific PCI slot in ...
At the end, sys_hw_init() finishes up by re-enabling the system IRQs which were disabled previously by making a call to sys_irqs_enable(). (Step 2): sys_xbee_init() After the long initialization phase of the sys_hw_init() function, the XBee radio should now be in a state to ...
+ raw_spin_lock_irqsave(&gpc_lock, flags); gpc_wake_irqs[idx] = enable ? gpc_wake_irqs[idx] | mask : gpc_wake_irqs[idx] & ~mask; - spin_unlock_irqrestore(&gpc_lock, flags); + raw_spin_unlock_irqrestore(&gpc_lock, flags); ...
}if(in_interrupt() || irqs_disabled() ||in_atomic()) { flags = GFP_ATOMIC; }#ifdefCONFIG_WCNSS_MEM_PRE_ALLOCif(size > WCNSS_PRE_ALLOC_GET_THRESHOLD) { pmem = wcnss_prealloc_get(size);if(NULL!= pmem) {memset(pmem,0, size);returnpmem; ...
Hardware resource conflicts can also cause problems with digital audio playback. Make sure that your hardware devices do not share interrupt request lines (IRQs). To view the IRQ settings, follow these steps: Note Because there are several versions of Microsoft Windows, the following steps may be...
preempt_count() && !irqs_disabled(); unsigned long flags; int i; int i, last_mod = 0;spin_lock_irqsave(&zone->lock, flags); for (i = 0; i < count; ++i) { @@ -2140,6 +2141,18 @@ static int rmqueue_bulk(struct zone *zone, unsigned int order,...