Hi,
> Test code:
> --------------
> read()
> {
> if(down_interruptible())
> return error;
> mdelay(10000);
> up();
> }
>
> With this code in place, I try to do a 'CTRL+C' when it hangs at that
> delay. It does not respond to my 'CTRL + C'.
>
> Where am I missing the preemption thing in the kernel?
"Ctrl+C" (and other interrupts) should work even on a non-preemptive kernel. Preemption concept is meant for code executing in process context.
Thanks,
Rajat
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