On Sat, May 6, 2017 at 5:06 AM, Borislav Petkov <bp@xxxxxxxxx> wrote: > On Fri, May 05, 2017 at 09:42:14PM +0100, Matt Fleming wrote: >> (Including the folks from SGI since this was hit on a UV system) > > Wasn't there a BIOS fix supplied at some point which obviated the need > to boot with efi=old_map on SGI boxes? > AFAICR, the bios fixes were provided only for SGI boxes with BIOS version greater than or equal to UV2 (so upstream with recent bios works on UV2, UV3, and UV4 hardware platforms, both with old and new mapping, with new mapping being the default), however the UV1 platforms still use efi=old_map Also as mentioned above since commit caef78b6cdeddf4ad364f95910bba6b43b8eb9bf fixed the efi=old_map support on UV systems even with new bios, they should ideally all boot up properly in upstream both with 'nokaslr' and without 'nokaslr' in the bootargs when efi=old_map is used. Regards, Bhupesh -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html