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local_irq_save

On an SMP machine we must use spin_lock_irqsave and not spin_lock_irq from interrupt context. Why would we want to save the flags (which contain the IF)? Is there another ...

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local_irq_save(flags) 做的事就是將 CPU 的 flag 值先儲存到 flags 變數里，然後將 CPU 的中斷 diable 掉。這裡將 CPU 的中斷 d...

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These routines disable hard interrupts on the local CPU, and restore them. They are reentr...

local_irq_save() local_irq_restore() includelinuxirqflag ...

https://www.kernel.org
如果你要禁止所有的中断该怎么办? 在2.6内核中,可以通过下面两个函数中的其中任何一个关闭当前处理器上的所有中断处理，这两个函数定义在中: void local_irq_save...

local_irq_save与local_irq_disable - CSDN博客

http://blog.csdn.net
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The difference between 'local_irq_save()' and 'l ...

https://www.quora.com
local_irq_save()/local_irq_restore() include/asm/system.h These routines disable hard inte...

local_irq_save()local_irq_restore() includeasmsystem.h ...

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On an SMP machine we must use spin_lock_irqsave and not spin_lock_irq from interrupt conte...

linux kernel - spin_lock_irqsave vs spin_lock_irq - Stack ...

https://stackoverflow.com
如果你要禁止所有的中断该怎么办? 在2.6内核中,可以通过下面两个函数中的其中任何一个关闭当前处理器上的所有中断处理，这两个函数定义在 <asm/system.h>中:...

local_irq_save和 local_irq_disable - 360doc个人图书馆 ...

http://www.360doc.com
看local_irq_save(flags) 函数，参数flags是以值传递的方式传递的，不知道这样怎么会把系统中的中断状态保存到参数flags中。看《linux 内核设计与实现中...

local_irq_save(flags) 是如何将中断系统的状态保存到flags中的 ...

http://bbs.chinaunix.net
在单处理器不可抢占系统中，使用local_irq_enable和local_irq_disable是消除异步并发源的有效方式。在驱动程序中要避免使用这两个宏（系统不能长时间不响...

互斥与同步——local_irq_enable与local_irq_disable - fengyv - ...

http://www.cnblogs.com
void local_irq_save(unsigned long flags); void local_irq_disable(void); A call to local_ir...

10.3. Implementing a Handler - Make Linux

http://www.makelinux.net

local_irq_save

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