On Tue, 28 Jul, at 11:24:23PM, Ard Biesheuvel wrote: > > This workaround fixes another issue as well: the arm64 kernel needs to > be loaded 512 KB above a 2MB aligned boundary, and using > efi_low_alloc() as we do loses (2 MB - 512 KB) at the bottom if part > of that 512 KB is occupied, since efi_low_alloc() is not aware of the > fact that the first 512 KB will remain unused. > > What would be most helpful is if efi_low_alloc() could take an offset > param in addition to the alignment, i.e., alignment == 2MB and offset > == 512 KB. The offset would default to 0, reverting to the original > behavior. > > If you'd be ok with such a change, I can propose it instead, and wire > it up into this function. It's probably because it's late but I'm having trouble thinking this change through fully. If it's not too much work, sure, please go ahead and propose a patch, even the untested, uncompiled "this is what I'm thinking" type. -- Matt Fleming, Intel Open Source Technology Center -- 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
