July 29, 2011
9:46 a.m.
Hello all, When interrupts are handled through interrupt gate cpu automatically clears IF flag. but to allow nesting kernel sets the IF flag in handle_irq_event - for 2.6.11 but in 2.6.39 how the interrupts are re-enabled so as to facilitate nesting of interrupts I am unable to find local_irq_enable in do_IRQ() Thanks in advance.