Definitions for "Software Interrupt"
Software interrupt handler. in_irq() returns false; in_softirq() returns true. Tasklets, softirqs and bottom halves all fall into the category of `software interrupts'.
a machine instruction similar to a hardware interrupt that saves some state and branches to a service routine
an interrupt called by the INT instruction in a machine language program
a convenient feature when creating device drivers, because it also takes care of the exclusion problem
Keywords:  cpu, asking, sent, request, access
A request sent to the CPU by a program asking for access to a specific device.