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s390: vmlinux.lds.S: explicitly keep various sections

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When building with CONFIG_LD_ORPHAN_WARN after selecting
CONFIG_ARCH_HAS_LD_ORPHAN_WARN, there are some warnings around certain
ELF sections:

  s390-linux-ld: warning: orphan section `.dynstr' from `arch/s390/kernel/head64.o' being placed in section `.dynstr'
  s390-linux-ld: warning: orphan section `.dynamic' from `arch/s390/kernel/head64.o' being placed in section `.dynamic'
  s390-linux-ld: warning: orphan section `.hash' from `arch/s390/kernel/head64.o' being placed in section `.hash'
  s390-linux-ld: warning: orphan section `.gnu.hash' from `arch/s390/kernel/head64.o' being placed in section `.gnu.hash'

Explicitly keep those sections like other architectures when
CONFIG_RELOCATABLE is enabled, which is always true for s390.

[hca@linux.ibm.com: keep sections instead of discarding]
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20240207-s390-lld-and-orphan-warn-v1-4-8a665b3346ab@kernel.org
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Nathan Chancellor 2024-02-07 17:14:56 -07:00 committed by Heiko Carstens
parent 30226853d6
commit a691c8a6ef
1 changed files with 12 additions and 0 deletions
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12
arch/s390/kernel/vmlinux.lds.S
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@ -200,6 +200,18 @@ SECTIONS
*(.rela*)
__rela_dyn_end = .;
}
.dynamic ALIGN(8) : {
*(.dynamic)
}
.dynstr ALIGN(8) : {
*(.dynstr)
}
.hash ALIGN(8) : {
*(.hash)
}
.gnu.hash ALIGN(8) : {
*(.gnu.hash)
}
. = ALIGN(PAGE_SIZE);
__init_end = .; /* freed after init ends here */