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Rev 3672 Rev 3790
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    preemption_disable();
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    preemption_disable();
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    status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0);
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    status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0);
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    if (status & INTR_DISPATCH_STATUS_BUSY)
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    if (status & INTR_DISPATCH_STATUS_BUSY)
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        panic("Interrupt Dispatch Status busy bit set\n");
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        panic("Interrupt Dispatch Status busy bit set.");
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    ASSERT(!(pstate_read() & PSTATE_IE_BIT));
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    ASSERT(!(pstate_read() & PSTATE_IE_BIT));
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    do {
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    do {
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        set_intr_w_data(func);
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        set_intr_w_data(func);
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    switch (ipi) {
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    switch (ipi) {
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    case IPI_TLB_SHOOTDOWN:
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    case IPI_TLB_SHOOTDOWN:
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        func = tlb_shootdown_ipi_recv;
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        func = tlb_shootdown_ipi_recv;
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        break;
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        break;
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    default:
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    default:
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        panic("Unknown IPI (%d).\n", ipi);
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        panic("Unknown IPI (%d).", ipi);
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        break;
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        break;
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    }
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    }
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    /*
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    /*
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     * As long as we don't support hot-plugging
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     * As long as we don't support hot-plugging