2.4.22-ben2 : - Remove a hack on the MachineCheck exception handler that seemed to actually cause a problem on some machines - Turn legacy serial driver into a module (used by pcmcia modems) instead of built-in in pmac defconfig - Export a couple of symbols needed by recent DRI - Hopefully close a few possible SMP races along with making the IO ops more robust vs. store reordering. - Fix build without CONFIG_PMAC_PBOOK 2.4.22-ben1 : First release