Possible Duplicate: Can an interrupt be soley processed by software without harware support? Can an interrupt be processed by software without the need for hardware suppport? Assume a x86 ...
Can an interrupt be processed by software without the need for hardware suppport? Assume an x86 architecture.
Looking at the contents of /proc/interrupts on an x86 Linux, I see that some of the interrupts are IO-APIC-edge while others are IO-APIC-level. I wonder what determines the interrupt type, is it the ...