Since the modules loader determines whether an exported symbol is GPL
only from the kflagstab section data, modpost can put all symbols in the
regular ksymtab and stop using the *_gpl versions of the ksymtab and
kcrctab.
Signed-off-by: Siddharth Nayyar <sidnay...@google.com>
---
include/linux/export-internal.h | 21 +++++++++++----------
scripts/mod/modpost.c | 8 ++++----
2 files changed, 15 insertions(+), 14 deletions(-)
diff --git a/include/linux/export-internal.h b/include/linux/export-internal.h
index 4123c7592404..726054614752 100644
--- a/include/linux/export-internal.h
+++ b/include/linux/export-internal.h
@@ -37,14 +37,14 @@
* section flag requires it. Use '%progbits' instead of '@progbits' since the
* former apparently works on all arches according to the binutils source.
*/
-#define __KSYMTAB(name, sym, sec, ns)
\
+#define __KSYMTAB(name, sym, ns)
\
asm(" .section \"__ksymtab_strings\",\"aMS\",%progbits,1" "\n"
\
"__kstrtab_" #name ":" "\n"
\
" .asciz \"" #name "\"" "\n"
\
"__kstrtabns_" #name ":" "\n"
\
" .asciz \"" ns "\"" "\n"
\
" .previous" "\n"
\
- " .section \"___ksymtab" sec "+" #name "\", \"a\"" "\n"
\
+ " .section \"___ksymtab+" #name "\", \"a\"" "\n"
\
__KSYM_ALIGN "\n"
\
"__ksymtab_" #name ":" "\n"
\
__KSYM_REF(sym) "\n"
\
@@ -59,15 +59,16 @@
#define KSYM_FUNC(name) name
#endif
-#define KSYMTAB_FUNC(name, sec, ns) __KSYMTAB(name, KSYM_FUNC(name), sec,
ns)
-#define KSYMTAB_DATA(name, sec, ns) __KSYMTAB(name, name, sec, ns)
+#define KSYMTAB_FUNC(name, ns) __KSYMTAB(name, KSYM_FUNC(name), ns)
+#define KSYMTAB_DATA(name, ns) __KSYMTAB(name, name, ns)
-#define SYMBOL_CRC(sym, crc, sec) \
- asm(".section \"___kcrctab" sec "+" #sym "\",\"a\"" "\n" \
- ".balign 4" "\n" \
- "__crc_" #sym ":" "\n" \
- ".long " #crc "\n" \
- ".previous" "\n")
+#define SYMBOL_CRC(sym, crc) \
+ asm(" .section \"___kcrctab+" #sym "\",\"a\"" "\n" \
+ " .balign 4" "\n" \
+ "__crc_" #sym ":" "\n" \
+ " .long " #crc "\n" \
+ " .previous" "\n" \
+ )
#define SYMBOL_FLAGS(sym, flags) \
asm(" .section \"___kflagstab+" #sym "\",\"a\"" "\n" \
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index f5ce7aeed52d..8936db84779b 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1867,9 +1867,9 @@ static void add_exported_symbols(struct buffer *buf,
struct module *mod)
if (trim_unused_exports && !sym->used)
continue;
- buf_printf(buf, "KSYMTAB_%s(%s, \"%s\", \"%s\");\n",
+ buf_printf(buf, "KSYMTAB_%s(%s, \"%s\");\n",
sym->is_func ? "FUNC" : "DATA", sym->name,
- sym->is_gpl_only ? "_gpl" : "", sym->namespace);
+ sym->namespace);
buf_printf(buf, "SYMBOL_FLAGS(%s, 0x%02x);\n",
sym->name, get_symbol_flags(sym));
@@ -1890,8 +1890,8 @@ static void add_exported_symbols(struct buffer *buf,
struct module *mod)
sym->name, mod->name, mod->is_vmlinux ? "" : ".ko",
sym->name);
- buf_printf(buf, "SYMBOL_CRC(%s, 0x%08x, \"%s\");\n",
- sym->name, sym->crc, sym->is_gpl_only ? "_gpl" : "");
+ buf_printf(buf, "SYMBOL_CRC(%s, 0x%08x);\n",
+ sym->name, sym->crc);
}
}
--
2.51.0.338.gd7d06c2dae-goog
