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    return !esr;
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    return !esr;
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}
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}
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/*
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/*
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 * Send all CPUs excluding the->cpu IPI vector.
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 */
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int l_apic_broadcast_custom_ipi(__u8 vector)
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{
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    __u32 lo;
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    /*
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     * Read the ICR register in and zero all non-reserved fields.
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     */
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    lo = l_apic[ICRlo] & ICRloClear;
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    lo |= DLVRMODE_FIXED | DESTMODE_LOGIC | LEVEL_ASSERT | SHORTHAND_EXCL | TRGRMODE_LEVEL | vector;
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    l_apic[ICRlo] = lo;
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    lo = l_apic[ICRlo] & ICRloClear;
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    if (lo & SEND_PENDING)
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        printf("IPI is pending.\n");
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    return apic_poll_errors();
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}
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/*
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 * Universal Start-up Algorithm for bringing up the AP processors.
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 * Universal Start-up Algorithm for bringing up the AP processors.
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 */
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 */
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int l_apic_send_init_ipi(__u8 apicid)
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int l_apic_send_init_ipi(__u8 apicid)
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{
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{
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    __u32 lo, hi;
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    __u32 lo, hi;