Hi! On Thursday 25 October 2007, Thippeswamy, Aravind wrote: > Hi, > What is a "Software Interrupt"? I was going thru the LDD 3 and > stumbled upon this. There is an > instance while explaining spin_lock_bh() function that the author > mentions that this only disables the "Software Interrupts"( LDD 3,page > number 119). In the immediately next paragraph, these "Software > Interrupts" are linked to "tasklets". I am not able to fully understand > this point. It would be really nice if some one elaborated on this. Well, I do not fully understand the context of the usage of "software interrupts" you refer to but, in general, a software interrupt is used to refer as a system call. For example, in a x86-based architecture, a software interrupt is fired using the "int" assembly instruction. Hope this helps ;) -- Luís Henriques -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
