Messages in this thread | | | Date | Tue, 4 Sep 2012 11:46:18 +0100 | From | Alan Cox <> | Subject | Re: Why exported const value modified by another driver not updated in original driver |
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On Tue, 4 Sep 2012 15:00:16 +0530 Manavendra Nath Manav <mnm.kernel@gmail.com> wrote:
> Hi, > > I have declared a static const int variable in one driver and exported > that variable symbol. In another driver i am modifying that variable. > The other driver prints the modified value but the original driver > retains the original value. When both virtual and physical addresses > of the variable as seen by both drivers are same, how is this even > possible. Is it a kernel bug?
It's const, why is it even a surprise. If you don't understand what is going on then I suggest you disassemble the code. That will I think let you understand what is going on.
Alan
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