Re: Doubt Regarding Multithreading and Device Driver

From: Max Kellermann
Date: Wed Apr 27 2005 - 10:13:24 EST

On 2005/04/27 17:05, k8 s <uint32@xxxxxxxxx> wrote:
> I am storing something into struct file*filp->private_data.
> As this is not shared across processes I am not doing any locking
> stuff while accessing or putting anything into it.

You're talking about kernel variables, aren't you? Kernel memory is
shared among all processes, i.e. you _do_ need locking.


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