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    SubjectRe: [PATCH] x86: 64bit support more than 256 irq v2
    Yinghai Lu <yhlu.kernel@gmail.com> writes:

    > Dhaval Giani got:
    > kernel BUG at arch/x86/kernel/io_apic_64.c:357!
    > invalid opcode: 0000 [1] SMP
    > CPU 24
    > ...
    >
    > his system (x3950) has 8 ioapic, irq > 256
    >
    > caused by
    > commit 9b7dc567d03d74a1fbae84e88949b6a60d922d82
    > Author: Thomas Gleixner <tglx@linutronix.de>
    > Date: Fri May 2 20:10:09 2008 +0200
    >
    > x86: unify interrupt vector defines
    >
    > The interrupt vector defines are copied 4 times around with minimal
    > differences. Move them all into asm-x86/irq_vectors.h
    >
    > because 64bit allow same vector for different cpu to serve different irq
    >
    > need to create that array dynamically later

    YH Thank you for splitting this out. This still doesn't restore the
    pre merge NR_IRQS heuristic. So I don't think it is a proper regression fix.

    Eric


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