linux-kernel - [PATCH 5.10 fix build id for arm64 0/5]

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Date:   Fri, 27 Jan 2023 13:39:22 -0700
From:   Tom Saeger <tom.saeger@...cle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Rich Felker <dalias@...c.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Dennis Gilmore <dennis@...il.us>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Arnd Bergmann <arnd@...db.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tom Saeger <tom.saeger@...cle.com>, stable@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sh@...r.kernel.org
Subject: [PATCH 5.10 fix build id for arm64 0/5]

Build ID on arm64 is broken if CONFIG_MODVERSIONS=y
on 5.4, 5.10, and 5.15

I've build tested on {x86_64, arm64, riscv, powerpc, s390, sh}

Without these patches Build ID is missing for arm64 (ld >= 2.36):

  $ readelf -n vmlinux | grep "Build ID"

*NOTE* to following is not in mainline, yet:
[PATCH 5.10 fix build id for arm64 5/5] sh: define RUNTIME_DISCARD_EXIT
https://lore.kernel.org/all/9166a8abdc0f979e50377e61780a4bba1dfa2f52.1674518464.git.tom.saeger@oracle.com/

Masahiro Yamada (2):
  arch: fix broken BuildID for arm64 and riscv
  s390: define RUNTIME_DISCARD_EXIT to fix link error with GNU ld < 2.36

Michael Ellerman (2):
  powerpc/vmlinux.lds: Define RUNTIME_DISCARD_EXIT
  powerpc/vmlinux.lds: Don't discard .rela* for relocatable builds

Tom Saeger (1):
  sh: define RUNTIME_DISCARD_EXIT

 arch/powerpc/kernel/vmlinux.lds.S | 6 +++++-
 arch/s390/kernel/vmlinux.lds.S    | 2 ++
 arch/sh/kernel/vmlinux.lds.S      | 2 ++
 include/asm-generic/vmlinux.lds.h | 5 +++++
 4 files changed, 14 insertions(+), 1 deletion(-)


base-commit: 179624a57b78c02de833370b7bdf0b0f4a27ca31
-- 
2.39.1