spinlock

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How can I use spinlocks on list entries inside the linux kernel?

I\'m developing a patch for the linux kernel. I have to use several lists and I have to protect\'em against concurrent modification on a[详细]

2023-01-14 01:53 分类：问答
Why spinlock in linux kernel is in the ".subsection 1" (or ".text.lock.smth")?

In linux kernel in the implementation of spinlocks, e.g. http://lxr.linux.no/#linux+v2.6.18/include/asm-i386/semaphore.h#L97[详细]

2023-01-11 21:48 分类：问答
spin_lock on non-preemtive linux kernels

I read that on a system with 1 CPU and non preemtive linux kernel (2.6.x) a spin_lock call is equivalent to an empty call, and thus implemented that way.[详细]

2023-01-09 08:36 分类：问答
Usage of spinlock and cli together

I recently downloaded linux source from http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.34.1.tar.bz2 . I came across the below paragraph in the file called spinlocks.txt in linux-2.6.34.1\\Docum[详细]

2023-01-07 14:08 分类：问答
Do C# 4.0 BCL SpinLock's spin/block when they can't get a lock?

Given the following code: ... private开发者_C百科 static SpinLock logLock = new SpinLock(false); ...[详细]

2023-01-05 22:45 分类：问答
How is spin lock implemented under the hood?

This is a lock that can be held by only one thread of execution at a time. An attempt to acquire the lock[详细]

2022-12-31 23:03 分类：问答
spin_lock_irqsave vs spin_lock_irq

On an SMP machine we must usespin_lock_irqsave and not spin_lock_irq from interrupt context. Why would we want to save the flags (which contain the IF)?[详细]

2022-12-25 14:25 分类：问答
Why does one loop take longer to detect a shared memory update than another loop?

I\'ve written a \'server\' program that writes to shared memory, and a client program that reads from the memory. The server has different \'channels\' that it can be writing to, which are just differ[详细]

2022-12-24 01:49 分类：问答
Alternative to spinlock

I am开发者_JAVA技巧 using the following spinlock approach: while(!hasPerformedAction()){ //wait for the user to perform the action[详细]

2022-12-18 21:32 分类：问答
What exactly are "spin-locks"?

I always wondered what they are: every time I hear about them, images of futuristic flywheel-like devices go dancing (rolling?) through m开发者_开发问答y mind...[详细]

2022-12-14 15:46 分类：问答