Messages in this thread | | | Subject | Re: [GIT PULL] x86/efi changes for v3.5 | From | Matt Fleming <> | Date | Sun, 03 Jun 2012 21:40:27 +0100 |
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On Sat, 2012-06-02 at 20:13 -0700, H. Peter Anvin wrote: > On 06/02/2012 11:38 AM, Henrik Rydberg wrote: > > Hi Ingo, Hans Peter, Matt, Jordan, > > > >> This patchset makes changes to the bzImage EFI header, so that > >> it can be signed with a secure boot signature tool. It should > >> not affect anyone who is not using the EFI self-boot feature in > >> any way. > > > > Commit 2e064b1 (Fix issue of overlapping .reloc section for EFI_STUB) > > breaks EFI boot on my MacBookAir3,1. The efi firmware no longer > > recognizes the bzImage and falls back to BIOS emulation boot. > > > > Reverting 2e064b1 works for me, but I am happy to test other options > > as well. > > > > Matt, Jordan, > > Could you look into this please?
Yeah, there's a bug report for this here,
https://bugzilla.kernel.org/show_bug.cgi?id=43309
I suspect that older firmware doesn't handle a zero .reloc section properly. So, unfortunately we will have to leave the .reloc section with a dummy reloc, rather than having one with no entries.
I'll put a patch together.
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