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  Dprintk("Scan SMP from %p for %ld bytes.\n", bp,length);
  if (sizeof(*mpf) != 16)
    printk("Error: MPF size\n");

  while (length > 0) {
    mpf = (struct intel_mp_floating *)bp;
    if ((*bp == SMP_MAGIC_IDENT) &&
      (mpf->mpf_length == 1) &&
      !mpf_checksum((unsigned char *)bp, 16) &&
      ((mpf->mpf_specification == 1)
        || (mpf->mpf_specification == 4)) ) {

      smp_found_config = 1;
      printk("found SMP MP-table at %08lx\n",
            virt_to_phys(mpf));
      reserve_bootmem(virt_to_phys(mpf), PAGE_SIZE);
      if (mpf->mpf_physptr)
        reserve_bootmem(mpf->mpf_physptr, PAGE_SIZE);
      mpf_found = mpf;
      return 1;
    }
    bp += 4;
    length -= 16;
  }
  return 0;
}

  /*
   * FIXME: Linux assumes you have 640K of base ram..
   * this continues the error...
   *
   * 1) Scan the bottom 1K for a signature
   * 2) Scan the top 1K of base RAM
   * 3) Scan the 64K of bios
   */
  if (smp_scan_config(0x0,0x400) ||
    smp_scan_config(639*0x400,0x400) ||
      smp_scan_config(0xF0000,0x10000))
    return;
  /*
   * If it is an SMP machine we should know now, unless the
   * configuration is in an EISA/MCA bus machine with an
   * extended bios data area.
   *
   * there is a real-mode segmented pointer pointing to the
   * 4K EBDA area at 0x40E, calculate and scan it here.
   *
   * NOTE! There are Linux loaders that will corrupt the EBDA
   * area, and as such this kind of SMP config may be less
   * trustworthy, simply because the SMP table may have been
   * stomped on during early boot. These loaders are buggy and
   * should be fixed.
   */

  address = *(unsigned short *)phys_to_virt(0x40E);
  address <<= 4;
  smp_scan_config(address, 0x1000);
  if (smp_found_config)
    printk(KERN_WARNING "WARNING: MP table in the EBDA can be UNSAFE, contact linux-smp@vger.kernel.org if you experience SMP problems!\n");
}