How to declare a Global Variable in Kernel
 

i want to declare a global variable in kernel.. and it should be accessed by all the modules. i will use this global variable to notify any error occurs while init_module of all device drivers.

i tried to declare the global variable in driver itself but i could not able to do it..

Can anyone tell me where i could declare the global variable in kernel,so that it could be accessed by all driver modules..

finally i can use an application to copy the status of all device drivers..

Please give me your suggestions

Have you tried exporting symbols to kernel so that it can be accessed by all modules?

Try using EXPORT_SYMBOL/EXPORT_SYMBOL_GPL

Thanks,