Changes from 1.1.68 to 1.1.69

These changes are archived on ftp.crynwr.com:pub/kchanges and http://www.crynwr.com/kchanges. I cannot answer questions about Linux -- I merely summarize the kernel patches after reading them. I try to make them useful to everyone, but kernel hackers should take them with a grain of salt and read the patches themselves. The patch file is patch69.gz

• Network stuff added to config.in. Alpha test stuff is disabled by default.
  • IP multicasting and IGMP (disabled by default).
  • IP firewalling (disabled by default).
  • IP accounting (disabled by default).
  • PCnet/PCI support.
  • Intel EtherExpress Pro (disabled by default).
  • ARCNET support (disabled by default).
  • DEC 21040 PCI (disabled by default).
  • LPL T100V 100Mbs (disabled by default).
  • PCnet32 (32 bit VLB and PCI LANCE) support (disabled by default).
  • The current Lance drivers for VLB cards run them in 16-bit mode.
  • Silicom pocket adaptor (disabled by default).
  • WaveLAN PCMCIA (disabled by default).
  • 3 Com 3c589 PCMCIA (disabled by default).
• tty_unregister_driver to always returned EBUSY.
• support for the new ioctl TIOCTTYGSTRUCT added (for kernel debugging)
• Don't wake up processes blocked in open when the CLOCAL flag changes, since a blocking open only samples the CLOCAL flag once when it blocks, and doesn't check it again.
• Use the correct termios structure to check the CLOCAL flag.
• Exp16 didn't release its I/O ports when its module was unloaded.
• SCSI: Add support for 12 byte vendor specific commands in scsi-generics, more (i.e. the last manditory) low-level changes to support loadable modules, plus a few other changes people have requested lately. See the changelog for more details.
• Modularize the isofs.
• Prepare for aligning filesystem buffers.
• Changed file locking.
• Proper symbolic constants added to proc/fd.c filesystem code.
• Memory manager adds a few pointers and drops vm_share.
• Memory mapping operators reordered.
• Added a check to ensure that an inode to be freed isn't mapped anywhere.
• File mmapping changed to work with NFS.
• IPC changed, but with backward compatibility.
• Kernel now keeps a separate list of DMA pages.
• Memory manager tries harder to share memory pages.

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