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    Subject[tip:x86/irq] x86, acpi/irq: Define gsi_end when X86_IO_APIC is undefined
    Commit-ID:  4f47b4c9f0b711bf84adb8c27774ae80d346b628
    Gitweb: http://git.kernel.org/tip/4f47b4c9f0b711bf84adb8c27774ae80d346b628
    Author: Eric W. Biederman <ebiederm@xmission.com>
    AuthorDate: Wed, 5 May 2010 13:22:25 -0700
    Committer: Ingo Molnar <mingo@elte.hu>
    CommitDate: Thu, 6 May 2010 08:17:51 +0200

    x86, acpi/irq: Define gsi_end when X86_IO_APIC is undefined

    My recent changes introducing a global gsi_end variable
    failed to take into account the case of using acpi on a system
    not built to support IO_APICs, causing the build to fail.

    Define gsi_end to 15 when CONFIG_X86_IO_APIC is not set to avoid
    compile errors.

    Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
    Cc: Yinghai Lu <yinghai@kernel.org>
    LKML-Reference: <m1tyqm14la.fsf_-_@fess.ebiederm.org>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    arch/x86/include/asm/io_apic.h | 1 +
    1 files changed, 1 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
    index 9da192a..63cb409 100644
    --- a/arch/x86/include/asm/io_apic.h
    +++ b/arch/x86/include/asm/io_apic.h
    @@ -197,6 +197,7 @@ static const int timer_through_8259 = 0;
    static inline void ioapic_init_mappings(void) { }
    static inline void ioapic_insert_resources(void) { }
    static inline void probe_nr_irqs_gsi(void) { }
    +#define gsi_end (NR_IRQS_LEGACY - 1)
    static inline int mp_find_ioapic(u32 gsi) { return 0; }

    struct io_apic_irq_attr;

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