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Questions about workqueue

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Questions - workqueue

How to pass a char *array (belonging to the user address space) to a tasklet or workqueue in a kernel module?

I’m writing a device driver. If someone calls the write operation I want it to be deferred (using tasklet or workqueue). The code should be something like that: static ssize_t dev_write(struct file *f...
test-img

Silvia di Luise

c

module

linux-kernel

driver

workqueue

Votes: 0

Answers: 1

Latest Answer

Even if it is possible (and there is surely a way), the user process has probably changed the contents of the buffer in the time before deferred_write runs. Notice that user programs often allocate th...
test-img

user253751

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