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linux spin_lock_irqsave

linux spin_lock_irqsave

We’ll go over how things are implemented in both the SMP (Symmetric Multi-Processor) and UP (Uni-Processor) cases. For the SMP case, __raw_spin_lock* functions in kernel/locking/spinlock.c are called when one calls some version of a spin_lock. Following i

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linux spin_lock_irqsave 相關資訊

  • 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
  • The required include file for the spinlock primitives is <linux/spinlock.h>. An actu...
    5.5. Spinlocks - Make Linux Software: Embedded Linux, TI DaV ...
    http://www.makelinux.net
  • 从spin_lock到spin_lock_irqsaveSpinlock的目的是用来同步SMP中会被多个CPU同时存取的变量。在Linux中，普通的spinlock由于不带额外的语...
    从spin_lock到spin_lock_irqsave - arm-linux - CSDN博客 ...
    http://blog.csdn.net
  • the name spin lock. The Linux kernel uses spin locks for many things, such as when sending...
    What is a spinlock in Linux? - Unix & Linux Stack Exchan ...
    https://unix.stackexchange.com
  • 在Linux內核中何時使用spin_lock，何時使用spin_lock_irqsave很容易混淆。首先看一下代碼是如何實現的。spin_lock的調用關係 spin_lock |...
    Linux內核spin_lock、spin_lock_irq 和 spin_lock_irqsave 分析 ...
    http://blog.csdn.net
  • We’ll go over how things are implemented in both the SMP (Symmetric Multi-Processor) and U...
    Linux Spinlock Internals - LinuxInternals.org
    http://www.linuxinternals.org
  • 嗯，是怕如果進 CS 之前，local CPU status 已經是 disable irq 的狀態，就用 spin_lock_irqsave()來保存，這想法沒錯，但是這種情形會...
    關於使用 spin_lock_irqsave() 的情形 - - 樂多日誌
    http://blog.roodo.com
  • Linux kernel中最基本的lock原語就是spin lock（自旋鎖）。實例代碼如下： static DEFINE_SPINLOCK(xxx_lock); unsigned...
    Linux kernel 筆記 （5） ——spin_lock_irqsave | 我的站點 ...
    http://nanxiao.me
  • Robert explains the various locking primitives in the Linux kernel, why you need them and ...
    Kernel Locking Techniques | Linux Journal
    http://www.linuxjournal.com
  • 可以看出来他们两者只有一个差别：是否调用local_irq_disable()函数， 即是否禁止本地中断。 在任何情况下使用spin_lock_irq都是安全的。因为它既禁止本地中...
    【转】 Linux内核spin_lock、spin_lock_irq 和 spin_lock_irqsav ...
    http://www.cnblogs.com