Another questions ,if i want send another interrupt using software generated in one's interrupt service program,how to do?using "INT N" and will it make troubles?
2008/12/3 chentong <[EMAIL PROTECTED]> > I think it supports one at one moment, otherwise the kernel must dicide > which PIC to route to when interrupts raise from one device. > > > 2008-12-03 > ------------------------------ > chentong > ------------------------------ > *发件人：* pl ice > *发送时间：* 2008-12-03 01:31:05 > *收件人：* kernelnewbies > *抄送：* > *主题：* IRQ IN LINUX > hi, > when i study interrupt handle in linux,i confuse a question about > PIC(8259) and APIC now we have both in our hardware ,and how the kernel > know if the hardware support APIC ,only through our configuration about > enable APIC ? And if we configure APIC in kernel configuration ,will kernel > init PIC in hardware,APIC and PIC only one work or both work? > > Best Regards, > Lin >
