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On Feb 13, 2014 10:29 AM, "m silverstri" <<a href="mailto:michael.j.silverstri@gmail.com">michael.j.silverstri@gmail.com</a>> wrote:<br>
><br>
> I have an output buffer in my kernel driver. And that share with my<br>
> hardware, which uses it for output.<br>
><br>
> When I got an interrupt, the kernel driver will copy the data from the<br>
> output buffer to user space buffer.<br>
><br>
> How can I invalidate cache after my kernel driver copy the output buffer<br>
And why you have to do that? Do you<br>
see any inconsistency in the current<br>
value of that variable?<br>
><br>
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