On Fri, 15 Mar 2024 at 15:12, Radek Podgorny <radek@xxxxxxxxxxx> wrote:
>
> hi ard, thanks for the effort!
>
> so, your first recommended patch (the memset thing), applied to current
> mainline (6.8) DOES NOT resolve the issue.
>
> the second recommendation, a revert patch, applied to the same mainline
> tree, indeed DOES resolve the problem.
>
> just to be sure, i'm attaching the revert patch.
>
Actually, that is not the patch I had in mind.
Please revert
x86/efi: Drop EFI stub .bss from .data section
commit fa244085025f4a8fb38ec67af635aed04297758d in v6.6
(or apply the changes below by hand if that is easier for you)
--- a/arch/x86/boot/compressed/vmlinux.lds.S
+++ b/arch/x86/boot/compressed/vmlinux.lds.S
@@ -47,6 +47,7 @@ SECTIONS
_data = . ;
*(.data)
*(.data.*)
+ *(.bss.efistub)
/* Add 4 bytes of extra space for a CRC-32 checksum */
. = ALIGN(. + 4, 0x200);
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -108,6 +108,13 @@
# https://bugs.llvm.org/show_bug.cgi?id=46480
STUBCOPY_FLAGS-y += --remove-section=.note.gnu.property
+STUBCOPY_FLAGS-$(CONFIG_X86) += --rename-section .bss=.bss.efistub,load,alloc
STUBCOPY_RELOC-$(CONFIG_X86_32) := R_386_32
STUBCOPY_RELOC-$(CONFIG_X86_64) := R_X86_64_64
