Re: IRQ vector assignment for system call exception

[Jan Engelhardt]

>> On Sat, 2005-12-10 at 18:50 +0530, Gaurav Dhiman wrote:
>> > yes, definetely a historical reason. System libraries need to know
>> > this vector to invoke system call.
>> 
>> nowadays it's also mostly unused; sysenter and friends are used 
>> instead and they don't use this entry point.
>
>note that some system-calls are still invoked via int80 by glibc, such 
>as fork() - even on sysenter/syscall capable CPUs.

OT: Any idea when glibc moves to use sysenter on capable CPUs?



Jan Engelhardt
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