diff options
| author | Ingo Molnar <mingo@kernel.org> | 2017-02-14 07:29:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-02-14 07:29:14 +0100 |
| commit | 210f400d68a14bc89e2e61dc2e06cdd67cfeb5f6 (patch) | |
| tree | 2098a7db539f0e92676d8d953002db3cc8eb03b8 /include/linux/export.h | |
| parent | f2029b1e47b607619d1dd2cb0bbb77f64ec6b7c2 (diff) | |
| parent | 7089db84e356562f8ba737c29e472cc42d530dbc (diff) | |
Merge tag 'v4.10-rc8' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/export.h')
| -rw-r--r-- | include/linux/export.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/include/linux/export.h b/include/linux/export.h index 2a0f61fbc731..1a1dfdb2a5c6 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -43,12 +43,19 @@ extern struct module __this_module; #ifdef CONFIG_MODVERSIONS /* Mark the CRC weak since genksyms apparently decides not to * generate a checksums for some symbols */ +#if defined(CONFIG_MODULE_REL_CRCS) #define __CRC_SYMBOL(sym, sec) \ - extern __visible void *__crc_##sym __attribute__((weak)); \ - static const unsigned long __kcrctab_##sym \ - __used \ - __attribute__((section("___kcrctab" sec "+" #sym), used)) \ - = (unsigned long) &__crc_##sym; + asm(" .section \"___kcrctab" sec "+" #sym "\", \"a\" \n" \ + " .weak " VMLINUX_SYMBOL_STR(__crc_##sym) " \n" \ + " .long " VMLINUX_SYMBOL_STR(__crc_##sym) " - . \n" \ + " .previous \n"); +#else +#define __CRC_SYMBOL(sym, sec) \ + asm(" .section \"___kcrctab" sec "+" #sym "\", \"a\" \n" \ + " .weak " VMLINUX_SYMBOL_STR(__crc_##sym) " \n" \ + " .long " VMLINUX_SYMBOL_STR(__crc_##sym) " \n" \ + " .previous \n"); +#endif #else #define __CRC_SYMBOL(sym, sec) #endif |