Irqf disabled被弃用
Web* IRQF_SHARED - allow sharing the irq among several devices * IRQF_PROBE_SHARED - set by callers when they expect sharing mismatches to occur * IRQF_TIMER - Flag to mark this interrupt as timer interrupt + * IRQF_PERCPU - Interrupt is per cpu + * IRQF_NOBALANCING - Flag to exclude this interrupt from irq balancing */ #define IRQF_DISABLED ...
Irqf disabled被弃用
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WebApr 29, 2015 · [vbox-dev] IRQF_DISABLED removal in 4.1-rc1 Linux kernel Alessandro Suardi alessandro.suardi at gmail.com Wed Apr 29 10:20:35 UTC 2015. Previous message: [vbox … WebAug 4, 2024 · IRQF_TRIGGER_XXX 描述该interrupt line触发类型的flag IRQF_DISABLED 首先要说明的是这是一个废弃的flag,在新的内核中,该flag没有任何的作用了。具体可以参 …
WebInterrupts and Suspend-to-Idle. Suspend-to-idle (also known as the “freeze” sleep state) is a relatively new system sleep state that works by idling all of the processors and waiting for interrupts right after the “noirq” phase of suspending devices. Of course, this means that all of the interrupts with the IRQF_NO_SUSPEND flag set will ... WebSince commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled], We run all interrupt handlers with interrupts disabled and we even check and yell when an interrupt handler returns with interrupts enabled (see commit [b738a50a: genirq: Warn when handler enables interrupts]).
WebMar 30, 2010 · With this patch, the IRQF_DISABLED flag (used to indicate a fast handler) becomes a no-op; it is expected to be removed altogether in 2.6.36. There are still some … WebMay 9, 2024 · Linux内核中断之中断申请接口. 本文基于RockPI 4A单板Linux4.4内核介绍中断申请的常用接口函数。. 一、request_threaded_irq() 1、文件. kernel/irq/manage.c 2、定义. int request_threaded_irq(unsigned int irq, irq_handler_t handler, irq_handler_t thread_fn, unsigned long irqflags, const char *devname, void *dev_id) { ...
WebJun 27, 2013 · 慢中断,申请的时候不带IRQF_DISABLED标记,在IRQ HANDLER里面允许新的其他中断嵌套进来。 老的Linux内核中,如果一个中断服务程序不想被别的中断打断, …
Web对于外设的specific handler,旧的内核(2.6.35版本之前)认为有两种:slow handler和fast handle。在request irq的时候,对于fast handler,需要传递IRQF_DISABLED的参数,确保其中断处理过程中是关闭CPU的中断,因为是fast handler,执行很快,即便是关闭CPU中断不会影响系统的性能。 chunky black sunglasseshttp://www.wowotech.net/linux_kenrel/interrupt_descriptor.html detergent buildup in dishwasherWebFeb 18, 2024 · irqflags 是中断处理的属性,若设置了irqf_disabled,则表示中断处理程序是快速处理程序,快速处理程序被调用时屏蔽所有中断,慢速处理程序不屏蔽;若设置了irqf_shared则表示多个设备共享中断,若设置了irqf_sample_random(老版本中的sa_sample_random),表示对系统熵有 ... chunky black wedgesWebJan 20, 2024 · irqf_early_resume -在系统评分期间早期恢复irq,而不是在设备恢复时间。 IRQF_COND_SUSPEND -如果IRQ与NO_SUSPEND用户共享,在挂起中断后执行这个中断处理程序。 对于系统唤醒设备,用户需要在其中断处理程序中实现唤醒检测。 detergent build up in dishwasherWebintel8x0.c:2499: `IRQF_DISABLED' undeclared (first use in this function) intel8x0.c:2499: (Each undeclared identifier is reported only once. intel8x0.c:2499: for each function it appears in.) intel8x0.c:2499: `IRQF_SHARED' undeclared (first use in this function) intel8x0.c: In function `intel8x0_measure_ac97_clock': detergent buildup in washing machineWebirqflags是中断处理的属性,若设置了irqf_disabled (老版本中的sa_interrupt,本版zhon已经不支持了),则表示中断处理程序是快速处理程序,快速处理程序被调用时屏蔽所有中断,慢速处理程序不屏蔽;若设置了irqf_shared (老版本中的sa_shirq),则表示多个设备共享 ... chunky black wedge heelsWebNov 29, 2011 · 2 Answers. The actual flags passed into request_irq () are defined in a comment in : /* * These flags used only by the kernel as part of the * irq handling routines. * * IRQF_DISABLED - keep irqs disabled when calling the action handler. * DEPRECATED. This flag is a NOOP and scheduled to be removed * IRQF_SAMPLE_RANDOM - irq is used to … chunky black sweater for women