current during interrupt servicing

tobaccopipeyoyo . tobaccopipeyoyo at
Sat Feb 13 21:16:50 EST 2016

I'm new to kernel programming, currently started ldd book
For the current process it says that global item current returns the
task_struct of the currently running process.

What if I refer this global during interrupt servicing?
What will happen? What should I expect.


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