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generic: fix warning orphan section from module exports in aarch64
kernel linux now have 2 different export.h include, one from linux/export.h and one from asm-generic/export.h While most of our target user linux/export.h, aarch64 based target use asm-generic/export.h that is not patched with the changes of 221-module_exports. Patch also this additional header to fix multiple aarch64-openwrt-linux-musl-ld: warning: orphan section `__ksymtab_strings' from `arch/arm64/kernel/head.o' being placed in section `__ksymtab_strings' warning during kernel compilation. Signed-off-by: Christian Marangi <[email protected]>
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Original file line number | Diff line number | Diff line change |
---|---|---|
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@@ -89,6 +89,30 @@ Signed-off-by: Felix Fietkau <[email protected]> | |
"__kstrtab_" #sym ": \n" \ | ||
" .asciz \"" #sym "\" \n" \ | ||
"__kstrtabns_" #sym ": \n" \ | ||
--- a/include/asm-generic/export.h | ||
+++ b/include/asm-generic/export.h | ||
@@ -26,6 +26,12 @@ | ||
#endif | ||
.endm | ||
|
||
+#ifdef MODULE | ||
+#define __EXPORT_SUFFIX(name) | ||
+#else | ||
+#define __EXPORT_SUFFIX(name) + #name | ||
+#endif | ||
+ | ||
/* | ||
* note on .section use: we specify progbits since usage of the "M" (SHF_MERGE) | ||
* section flag requires it. Use '%progbits' instead of '@progbits' since the | ||
@@ -42,7 +42,7 @@ | ||
__ksymtab_\name: | ||
__put \val, __kstrtab_\name | ||
.previous | ||
- .section __ksymtab_strings,"aMS",%progbits,1 | ||
+ .section __ksymtab_strings __EXPORT_SUFFIX(name),"aMS",%progbits,1 | ||
__kstrtab_\name: | ||
.asciz "\name" | ||
.previous | ||
--- a/scripts/Makefile.build | ||
+++ b/scripts/Makefile.build | ||
@@ -367,7 +367,7 @@ targets += $(lib-y) $(always-y) $(MAKECM | ||
|
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Original file line number | Diff line number | Diff line change |
---|---|---|
|
@@ -89,6 +89,30 @@ Signed-off-by: Felix Fietkau <[email protected]> | |
"__kstrtab_" #sym ": \n" \ | ||
" .asciz \"" #sym "\" \n" \ | ||
"__kstrtabns_" #sym ": \n" \ | ||
--- a/include/asm-generic/export.h | ||
+++ b/include/asm-generic/export.h | ||
@@ -26,6 +26,12 @@ struct kernel_symbol { | ||
#endif | ||
.endm | ||
|
||
+#ifdef MODULE | ||
+#define __EXPORT_SUFFIX(name) | ||
+#else | ||
+#define __EXPORT_SUFFIX(name) + #name | ||
+#endif | ||
+ | ||
/* | ||
* note on .section use: we specify progbits since usage of the "M" (SHF_MERGE) | ||
* section flag requires it. Use '%progbits' instead of '@progbits' since the | ||
@@ -42,7 +42,7 @@ struct kernel_symbol { | ||
__ksymtab_\name: | ||
__put \val, __kstrtab_\name | ||
.previous | ||
- .section __ksymtab_strings,"aMS",%progbits,1 | ||
+ .section __ksymtab_strings __EXPORT_SUFFIX(name),"aMS",%progbits,1 | ||
__kstrtab_\name: | ||
.asciz "\name" | ||
.previous | ||
--- a/scripts/Makefile.build | ||
+++ b/scripts/Makefile.build | ||
@@ -396,7 +396,7 @@ targets += $(real-dtb-y) $(lib-y) $(alwa | ||
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