2010/8/15 Parmenides mobile.parmeni...@gmail.com:
Hi,
For each irq descriptor, there is a state bit IRQ_DISABLED
indicating whether corresponding IRQ is masked. But, when checking the
source code, I find that the function mask_and_ack_8259A(), which is
responsible for acknowledge the PIC
Hi,
For each irq descriptor, there is a state bit IRQ_DISABLED
indicating whether corresponding IRQ is masked. But, when checking the
source code, I find that the function mask_and_ack_8259A(), which is
responsible for acknowledge the PIC and mask corresponding bit in it,
doesn't affect