Re: problem in compiling /linux/arch/i386/kernel/io_apic.c

Rui Sousa (rsousa@grad.physics.sunysb.edu)
Fri, 27 Aug 1999 02:20:09 -0400

Anil Kumar S R wrote:
>
> Hi,
> I am not able to compile io_apic.c file .
>
> The Linux kernel version is 2.2.5-22
> The procedure I followed to compile is :
>
> I included the CONFIG_X86_IO_APIC which I found in
> /linux/arch/i386/kernel/Makefile in /usr/src/linux/.config and
> in /linux/include/linux/autoconf.h
>
> I did a make depend
> Then I did make bzImage
> This started giving errors as :
> io_apic.c : In function `find_irq_entry':
> io_apic.c : 278 : invalid use of undefined type `struct
> mpc_config_intsrc'
>
> io_apic.c : At top level:
> io_apic.c : 98 : sorage of `mp_irq' isnt't known
>
> can some please help me out.
>

You should configure the kernel with "make menuconfig"
and then enable SMP. Then do the make dep, etc.

But first you should backout the changes you made.

Also I hope you have a SMP (Dual Processor) motherboard
otherwise you can't use IOAPIC.

Rui Sousa

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