From: Helge Deller <deller@xxxxxx>
On 64-bit architectures without CONFIG_HAVE_ARCH_PREL32_RELOCATIONS
(e.g. ppc64, ppc64le, parisc, s390x,...) the __KSYM_REF() macro stores
64-bit pointers into the __ksymtab* sections.
Make sure that those sections will be correctly aligned at module link time,
otherwise unaligned memory accesses may happen at runtime.
The __kcrctab* sections store 32-bit entities, so use ALIGN(4) for those.
Signed-off-by: Helge Deller <deller@xxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # v6.0+
---
scripts/module.lds.S | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/scripts/module.lds.S b/scripts/module.lds.S
index bf5bcf2836d8..b00415a9ff27 100644
--- a/scripts/module.lds.S
+++ b/scripts/module.lds.S
@@ -15,10 +15,10 @@ SECTIONS {
*(.discard.*)
}
- __ksymtab 0 : { *(SORT(___ksymtab+*)) }
- __ksymtab_gpl 0 : { *(SORT(___ksymtab_gpl+*)) }
- __kcrctab 0 : { *(SORT(___kcrctab+*)) }
- __kcrctab_gpl 0 : { *(SORT(___kcrctab_gpl+*)) }
+ __ksymtab 0 : ALIGN(8) { *(SORT(___ksymtab+*)) }
+ __ksymtab_gpl 0 : ALIGN(8) { *(SORT(___ksymtab_gpl+*)) }
+ __kcrctab 0 : ALIGN(4) { *(SORT(___kcrctab+*)) }
+ __kcrctab_gpl 0 : ALIGN(4) { *(SORT(___kcrctab_gpl+*)) }
.ctors 0 : ALIGN(8) { *(SORT(.ctors.*)) *(.ctors) }
.init_array 0 : ALIGN(8) { *(SORT(.init_array.*)) *(.init_array) }
--
2.41.0
