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| author | Mike Marshall <hubcap@omnibond.com> | 2017-02-25 11:12:48 -0500 |
|---|---|---|
| committer | Mike Marshall <hubcap@omnibond.com> | 2017-02-25 11:12:48 -0500 |
| commit | e98bdb3059cbf2b1cd4261e126b08429f64466c3 (patch) | |
| tree | e378fc95b495cc6e0e558f247e99bcaa21a6d567 /include/linux/export.h | |
| parent | eb68d0324dc4d88ab0d6159bdcd98c247a3a8954 (diff) | |
| parent | c470abd4fde40ea6a0846a2beab642a578c0b8cd (diff) | |
Merge tag 'v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into for-next
Linux 4.10
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 |