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scripts: Do not strip .rela.dyn section

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The .rela.dyn section contains runtime relocations and is only emitted
for a relocatable kernel.

riscv uses this section to relocate the kernel at runtime but that section
is stripped from vmlinux. That prevents kexec to successfully load vmlinux
since it does not contain the relocations info needed.

Fixes: 559d1e45a1 ("riscv: Use --emit-relocs in order to move .rela.dyn in init")
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250408072851.90275-1-alexghiti@rivosinc.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
This commit is contained in:
Alexandre Ghiti 2025-04-08 09:28:51 +02:00
parent ae08d55807
commit e9d86b8e17
1 changed files with 1 additions and 1 deletions
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2
scripts/Makefile.vmlinux
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@ -13,7 +13,7 @@ ifdef CONFIG_ARCH_VMLINUX_NEEDS_RELOCS
vmlinux-final := vmlinux.unstripped
quiet_cmd_strip_relocs = RSTRIP $@
cmd_strip_relocs = $(OBJCOPY) --remove-section='.rel*' $< $@
cmd_strip_relocs = $(OBJCOPY) --remove-section='.rel*' --remove-section=!'.rel*.dyn' $< $@
vmlinux: $(vmlinux-final) FORCE
$(call if_changed,strip_relocs)