On Thu, Sep 09, 2004 at 03:28:53PM -0000, sanjayk wrote: > -IS APIC support selected by default for SMP kernel. Yes, see arch/i386/Kconfig > -I get the feeling that without smp support, arch/i386/kernel/i8259.c > file is used for interrupt handling(if APIC support not selected), > while for SMP aware kernel arch/i386/kernel/io_apic.c is the file used I think of the APIC as an 8259 extension, so I believe i8259.c is always used (for i386). Regards, Clemens -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/