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Regarding Interrupt processing

Hi,
If my task P is currently executing in the CPU and if an interrupt occurs during that time, I understand that there will be a context switch and the interrupt service routine will be executed in the Kernel's context.

Once the interrupt service routine is over, 
will my task P gets to the CPU 
(Assuming P has its time slice yet to finish)
or 
will the scheduler take control?

Thanks for your help,
Senthil

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