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    Subject[PATCH] Summit support for 2.5 - now with subarch! [1/5]
    This just adds the config option for summit, and it's Config.help entry,
    puts the hooks for the new mach_apic.h subarch file into the right
    places, and creates empty shells of the header files.


    diff -urpN -X /home/fletch/.diff.exclude virgin/arch/i386/Config.help subarch-1/arch/i386/Config.help
    --- virgin/arch/i386/Config.help Fri Oct 11 21:21:31 2002
    +++ subarch-1/arch/i386/Config.help Sun Oct 13 20:16:03 2002
    @@ -73,6 +73,12 @@ CONFIG_X86_CYCLONE
    If you are suffering from time skew using a multi-CEC system, say YES.
    Otherwise it is safe to say NO.

    +CONFIG_X86_SUMMIT
    + This option is needed for IBM systems that use the Summit/EXA chipset.
    + In particular, it is needed for the x440.
    +
    + If you don't have one of these computers, you should say N here.
    +
    CONFIG_X86_UP_IOAPIC
    An IO-APIC (I/O Advanced Programmable Interrupt Controller) is an
    SMP-capable replacement for PC-style interrupt controllers. Most
    diff -urpN -X /home/fletch/.diff.exclude virgin/arch/i386/config.in subarch-1/arch/i386/config.in
    --- virgin/arch/i386/config.in Fri Oct 11 21:21:38 2002
    +++ subarch-1/arch/i386/config.in Sun Oct 13 20:16:03 2002
    @@ -172,7 +172,8 @@ else
    if [ "$CONFIG_X86_NUMA" = "y" ]; then
    #Platform Choices
    bool 'Multiquad (IBM/Sequent) NUMAQ support' CONFIG_X86_NUMAQ
    - if [ "$CONFIG_X86_NUMAQ" = "y" ]; then
    + bool 'IBM x440 (Summit/EXA) support' CONFIG_X86_SUMMIT
    + if [ "$CONFIG_X86_NUMAQ" = "y" -o "$CONFIG_X86_SUMMIT" = "y" ]; then
    define_bool CONFIG_CLUSTERED_APIC y
    fi
    # Common NUMA Features
    diff -urpN -X /home/fletch/.diff.exclude virgin/arch/i386/kernel/apic.c subarch-1/arch/i386/kernel/apic.c
    --- virgin/arch/i386/kernel/apic.c Fri Oct 11 21:22:46 2002
    +++ subarch-1/arch/i386/kernel/apic.c Sun Oct 13 20:16:03 2002
    @@ -31,6 +31,7 @@
    #include <asm/pgalloc.h>
    #include <asm/desc.h>
    #include <asm/arch_hooks.h>
    +#include "mach_apic.h"

    void __init apic_intr_init(void)
    {
    diff -urpN -X /home/fletch/.diff.exclude virgin/arch/i386/kernel/io_apic.c subarch-1/arch/i386/kernel/io_apic.c
    --- virgin/arch/i386/kernel/io_apic.c Fri Oct 11 21:21:38 2002
    +++ subarch-1/arch/i386/kernel/io_apic.c Sun Oct 13 20:16:03 2002
    @@ -35,6 +35,7 @@
    #include <asm/io.h>
    #include <asm/smp.h>
    #include <asm/desc.h>
    +#include "mach_apic.h"

    #undef APIC_LOCKUP_DEBUG

    diff -urpN -X /home/fletch/.diff.exclude virgin/arch/i386/mach-generic/mach_apic.h subarch-1/arch/i386/mach-generic/mach_apic.h
    --- virgin/arch/i386/mach-generic/mach_apic.h Wed Dec 31 16:00:00 1969
    +++ subarch-1/arch/i386/mach-generic/mach_apic.h Sun Oct 13 20:16:21 2002
    @@ -0,0 +1,4 @@
    +#ifndef __ASM_MACH_APIC_H
    +#define __ASM_MACH_APIC_H
    +
    +#endif /* __ASM_MACH_APIC_H */
    diff -urpN -X /home/fletch/.diff.exclude virgin/arch/i386/mach-summit/mach_apic.h subarch-1/arch/i386/mach-summit/mach_apic.h
    --- virgin/arch/i386/mach-summit/mach_apic.h Wed Dec 31 16:00:00 1969
    +++ subarch-1/arch/i386/mach-summit/mach_apic.h Sun Oct 13 20:16:52 2002
    @@ -0,0 +1,4 @@
    +#ifndef __ASM_MACH_APIC_H
    +#define __ASM_MACH_APIC_H
    +
    +#endif /* __ASM_MACH_APIC_H */
    -
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