Hi Guennadi, This is fairly specific to x86 architecture machines, and is looking for XT-PIC or IO-APIC to decide how to mask and ack the interrupts, Best regards, Steve Guennadi Liakhovetski wrote: > > On Mon, 17 Dec 2001, John Levon wrote: > > > > What is the meaning of the typename field in struct hw_interrupt_type in > > > irq.h and what values it can take? > > > > it is the name of the interrupt handler installed for that IRQ and > > is printed out in /proc/interrupts > > Ok, thanks, now I'll have to find out what the following 2 lines > > if (IRQ_DESC[i].handler->typename[0] == 'I') { > ... > } else if (IRQ_DESC[i].handler->typename[0] == 'X') { > ... > > are checking for, i.e. which 2 ISR names begin with 'I' and 'X'... > > Thanks > Guennadi > --------------------------------- > Guennadi Liakhovetski, Ph.D. > DSA Daten- und Systemtechnik GmbH > Pascalstr. 28 > D-52076 Aachen > Germany -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/