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Nathan Chancellor 8678591b47 kbuild: Split .modinfo out from ELF_DETAILS ... Commit 3e86e4d74c ("kbuild: keep .modinfo section in vmlinux.unstripped") added .modinfo to ELF_DETAILS while removing it from COMMON_DISCARDS, as it was needed in vmlinux.unstripped and ELF_DETAILS was present in all architecture specific vmlinux linker scripts. While this shuffle is fine for vmlinux, ELF_DETAILS and COMMON_DISCARDS may be used by other linker scripts, such as the s390 and x86 compressed boot images, which may not expect to have a .modinfo section. In certain circumstances, this could result in a bootloader failing to load the compressed kernel [1]. Commit ddc6cbef3e ("s390/boot/vmlinux.lds.S: Ensure bzImage ends with SecureBoot trailer") recently addressed this for the s390 bzImage but the same bug remains for arm, parisc, and x86. The presence of .modinfo in the x86 bzImage was the root cause of the issue worked around with commit d50f210913 ("kbuild: align modinfo section for Secureboot Authenticode EDK2 compat"). misc.c in arch/x86/boot/compressed includes lib/decompress_unzstd.c, which in turn includes lib/xxhash.c and its MODULE_LICENSE / MODULE_DESCRIPTION macros due to the STATIC definition. Split .modinfo out from ELF_DETAILS into its own macro and handle it in all vmlinux linker scripts. Discard .modinfo in the places where it was previously being discarded from being in COMMON_DISCARDS, as it has never been necessary in those uses. Cc: stable@vger.kernel.org Fixes: 3e86e4d74c ("kbuild: keep .modinfo section in vmlinux.unstripped") Reported-by: Ed W <lists@wildgooses.com> Closes: https://lore.kernel.org/587f25e0-a80e-46a5-9f01-87cb40cfa377@wildgooses.com/ [1] Tested-by: Ed W <lists@wildgooses.com> # x86_64 Link: https://patch.msgid.link/20260225-separate-modinfo-from-elf-details-v1-1-387ced6baf4b@kernel.org Signed-off-by: Nathan Chancellor <nathan@kernel.org>		2026-02-26 11:50:19 -07:00
..
boot	openrisc: dts: Add de0 nano multicore config and devicetree	2026-01-16 16:38:56 +00:00
configs	OpenRISC updates for 6.20	2026-02-12 14:04:43 -08:00
include	OpenRISC updates for 6.20	2026-02-12 14:04:43 -08:00
kernel	kbuild: Split .modinfo out from ELF_DETAILS	2026-02-26 11:50:19 -07:00
lib	openrisc/delay: Add include to fix symbol not declared warning	2022-05-23 17:15:49 +09:00
mm	arch, mm: consolidate initialization of nodes, zones and memory map	2026-01-26 20:02:18 -08:00
Kbuild	openrisc: migrate to the generic rule for built-in DTB	2025-01-14 17:17:15 +00:00
Kconfig	openrisc: Add jump label support	2025-09-11 11:27:59 +01:00
Kconfig.debug	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile	kbuild: remove head-y syntax	2022-10-02 18:06:03 +09:00