On Fri, Sep 15, 2023 at 1:31 PM Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > > * Ingo Molnar <mingo@xxxxxxxxxx> wrote: > > > > Ard Biesheuvel (15): > > > x86/efi: Drop EFI stub .bss from .data section > > > x86/efi: Disregard setup header of loaded image > > > x86/efi: Drop alignment flags from PE section headers > > > x86/boot: Remove the 'bugger off' message > > > x86/boot: Omit compression buffer from PE/COFF image memory footprint > > > x86/boot: Drop redundant code setting the root device > > > x86/boot: Grab kernel_info offset from zoffset header directly > > > x86/boot: Drop references to startup_64 > > > > I've applied these first 8 patches to tip:x86/boot with minor edits. Thanks. > > (Please preserve existing comment capitalization conventions ...) > > Ack > > > x86/boot: Set EFI handover offset directly in header asm > > > x86/boot: Define setup size in linker script > > > x86/boot: Derive file size from _edata symbol > > > x86/boot: Construct PE/COFF .text section from assembler > > > x86/boot: Drop PE/COFF .reloc section > > > x86/boot: Split off PE/COFF .data section > > > x86/boot: Increase section and file alignment to 4k/512 > > > > The rest conflicted with recent upstream changes, and I suppose it's > > prudent to test these changes bit by bit anyway. > Agreed. So you mean this conflicts with other stuff queued up in -tip already, right? > So, the first 8 patches broke the x86-64-defconfig-ish Qemu bzImage bootup, > due to the 8th patch: > > 988b52b207a9fe74c3699bda8c2256714926b94b is the first bad commit > commit 988b52b207a9fe74c3699bda8c2256714926b94b > Author: Ard Biesheuvel <ardb@xxxxxxxxxx> > Date: Tue Sep 12 09:01:01 2023 +0000 > > x86/boot: Define setup size in linker script > > I've removed it for now - but this side effect was not expected. > No, definitely not expected. I tested various combinations of i386 / x86_64 built with GCC / Clang doing EFI or BIOS boot. I'll rebase the remaining stuff onto -tip and see if I can reproduce this.