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This was apparently "required by some firmware": commit dc9468500919 (2007-02-12 Hollis Blanchard <hollis@penguinppc.org>). It's not clear what firmware that was, and what platform from 14 years ago which exhibited the bug then is still both in use and buggy now. It doesn't cause issues on qemu (mac99 or pseries) or under PFW for Power8. I don't have access to old Mac hardware, but if anyone feels especially strongly we can put it under some feature flag. I really want to disable it under pseries because it will mess with region merging. Signed-off-by: Daniel Axtens <dja@axtens.net> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com> Tested-by: Nageswara R Sastry <rnsastry@linux.ibm.com> Reviewed-by: Robbie Harwood <rharwood@redhat.com>
This is GRUB 2, the second version of the GRand Unified Bootloader. GRUB 2 is rewritten from scratch to make GNU GRUB cleaner, safer, more robust, more powerful, and more portable. See the file NEWS for a description of recent changes to GRUB 2. See the file INSTALL for instructions on how to build and install the GRUB 2 data and program files. See the file MAINTAINERS for information about the GRUB maintainers, etc. If you found a security vulnerability in the GRUB please check the SECURITY file to get more information how to properly report this kind of bugs to the maintainers. Please visit the official web page of GRUB 2, for more information. The URL is <http://www.gnu.org/software/grub/grub.html>. More extensive documentation is available in the Info manual, accessible using 'info grub' after building and installing GRUB 2. There are a number of important user-visible differences from the first version of GRUB, now known as GRUB Legacy. For a summary, please see: info grub Introduction 'Changes from GRUB Legacy'