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    Subject[PATCH for review] [66/145] x86_64: Use BUILD_BUG_ON in apic.c build sanity checking
    Date
    r

    Makes code a little shorter.

    Signed-off-by: Andi Kleen <ak@suse.de>

    ---
    arch/x86_64/kernel/apic.c | 5 +----
    1 files changed, 1 insertion(+), 4 deletions(-)

    Index: linux/arch/x86_64/kernel/apic.c
    ===================================================================
    --- linux.orig/arch/x86_64/kernel/apic.c
    +++ linux/arch/x86_64/kernel/apic.c
    @@ -265,8 +265,6 @@ void __init sync_Arb_IDs(void)
    | APIC_DM_INIT);
    }

    -extern void __error_in_apic_c (void);
    -
    /*
    * An initial setup of the virtual wire mode.
    */
    @@ -313,8 +311,7 @@ void __cpuinit setup_local_APIC (void)

    value = apic_read(APIC_LVR);

    - if ((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f)
    - __error_in_apic_c();
    + BUILD_BUG_ON((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f);

    /*
    * Double-check whether this APIC is really registered.
    -
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