[PATCH 5.15 v2 0/5] Fix Build ID on arm64 if CONFIG_MODVERSIONS=y

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Build ID is missing for arm64 with CONFIG_MODVERSIONS=y using ld >= 2.36
on 5.4, 5.10, and 5.15

Backport BuildID fixes.

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

  # view Build ID
  $ readelf -n vmlinux | grep "Build ID"

Changes for v2:
- rebase 5/5 c1c551bebf92 ("sh: define RUNTIME_DISCARD_EXIT") from upstream

Previous threads:
[1] https://lore.kernel.org/all/cover.1674851705.git.tom.saeger@xxxxxxxxxx/
[2] https://lore.kernel.org/all/3df32572ec7016e783d37e185f88495831671f5d.1671143628.git.tom.saeger@xxxxxxxxxx/
[3] https://lore.kernel.org/all/cover.1670358255.git.tom.saeger@xxxxxxxxxx/

Signed-off-by: Tom Saeger <tom.saeger@xxxxxxxxxx>
---
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      | 1 +
 include/asm-generic/vmlinux.lds.h | 5 +++++
 4 files changed, 13 insertions(+), 1 deletion(-)
---
base-commit: 85d7786c66b69d3f07cc149ac2f78d8f330c7c11
change-id: 20230210-tsaeger-upstream-linux-stable-5-15-f7bf45952c23

Best regards,
-- 
Tom Saeger <tom.saeger@xxxxxxxxxx>




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