spinlock linux

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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  • The required include file for the spinlock primitives is <linux/spinlock.h>. An actu...
    5.5. Spinlocks - Make Linux
    http://www.makelinux.net
  • Instead, most locking is implemented with a mechanism called a spinlock. ... The required ...
    5.5. Spinlocks - MakeLinux
    http://www.makelinux.net
  • Synchronization primitives in the Linux kernel. Part 1. Introduction This part opens new c...
    Introduction to spinlocks · Linux Inside
    https://0xax.gitbooks.io
  • 10-8.4、套疊 spinlock linux kernel 的 spinlock 允許套疊使用,也就是拿到某個鎖定之後,可以再拿其它的鎖定,減少鎖定的範圍可以提昇程式的效率,但...
    LDDP:十、同步與鎖定 @ BOOK :: 痞客邦 PIXNET ::
    http://silverfoxkkk.pixnet.net
  • 2012年4月22日 - linux kernel 提供了「semaphore(旗標)」作為user context 進行同步與鎖定的 .... 因為在使用spinlock 時,...
    LDDP:十、同步與鎖定@ BOOK :: 痞客邦PIXNET ::
    http://silverfoxkkk.pixnet.net
  • 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
  • 2017年1月5日 - spinlock(自旋锁)是内核中最常见的锁,它的特点是:等待锁的过程中不休眠,而是占着CPU空转,优点是避免了上下文切换的开销,缺点是该CPU&nbsp...
    Linux kernel spinlock使用不当的后果| Linux Performance
    http://linuxperf.com
  • The function has several imporant bits. First it disables preemption on line 5, then tries...
    Linux Spinlock Internals - LinuxInternals.org
    http://www.linuxinternals.org
  • In the post we see the various functions available for spinlock in Linux. Let us look at a...
    Linux World: Using Spinlock in linux : Example ...
    http://tuxthink.blogspot.com
  • 排队自旋锁(FIFO Ticket Spinlock)是 Linux 内核 2.6.25 版本中引入的一种新型自旋锁,它解决了传统自旋锁由于无序竞争导致的“公平性”问题。本文详细介...
    Linux 内核的排队自旋锁(FIFO Ticket Spinlock)
    https://www.ibm.com
  • 2008年3月2日 - Linux 驅動程式的interrupt handler 實作原則如下:. 1. 在interrupt ... 2. spinlock counting ...
    Linux 驅動程式的中斷處理, #2: 深入淺出中斷模式
    http://www.jollen.org
  • #ifndef __LINUX_SPINLOCK_H #define __LINUX_SPINLOCK_H /* * include/linux/spinlock.h - gene...
    linuxincludelinuxspinlock.h - Elixir - Free Electrons
    http://elixir.free-electrons.c
  • 2015年4月22日 - 一、前言在linux kernel的实现中,经常会遇到这样的场景:共享数据被中断上下文 ... 本文主要介绍了linux kernel中的spin lo...
    Linux内核同步机制之(四):spin lock - 蜗窝科技
    http://www.wowotech.net
  • In software engineering, a spinlock is a lock which causes a thread trying to acquire it t...
    Spinlock - Wikipedia
    https://en.wikipedia.org
  • 因此,Linux Kernel 才会提供spinlock 这样的机制,它不会将全部CPU 的中断disable 掉,所以效率比上述的方法好,但同时却又能确保资料的稳定性,不会有某个...
    Spinlock 简介- Linux - Linux教程
    http://linux.ximizi.com
  • @Warren : A couple of doubts- I would like to know more about this Big Kernel Lock and its...
    What is a spinlock in Linux? - Unix & Linux Stack Exchan ...
    https://unix.stackexchange.com
  • 2010年12月22日 - A spin lock is a way to protect a shared resource from being modified by tw...
    What is a spinlock in Linux? - Unix & Linux Stack Exchange
    https://unix.stackexchange.com
  • Linux Kernel提供了 spinlock 這個機制可以使我們做到這樣的功能。 有的人會想到當我們在修改某個重要的資料結構時,將中斷都 disable 掉就好了,等修改完了再...
    [轉]Spinlock 簡介 @ H's 手札 :: 痞客邦 PIXNET ::
    http://huenlil.pixnet.net
  • spinlock 的資料結構在Linux底下是以spinlock_t 來表示的,在SMP 和UP 環境底下兩者的欄位有一些差異,其實在UP 底下spinlock_t 可以說是一個空...
    [轉]Spinlock 簡介@ H's 手札:: 痞客邦PIXNET ::
    http://huenlil.pixnet.net
  • 2008年3月1日 - 因此,Linux Kernel 才會提供spinlock 這樣的機制,它不會將全部CPU 的中斷disable 掉,所以效率比上述的方法好,但同時卻又能確...
    雜記: Spinlock的用法
    http://deanjai.blogspot.com