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raid6/test: fix a compilation warning 

The compilation warning is redefination showed as following:

        In file included from tables.c:2:
        ../../../include/linux/export.h:180: warning: "EXPORT_SYMBOL" redefined
         #define EXPORT_SYMBOL(sym)  __EXPORT_SYMBOL(sym, "")

        In file included from tables.c:1:
        ../../../include/linux/raid/pq.h:61: note: this is the location of the previous definition
         #define EXPORT_SYMBOL(sym)

Fixes: 69a94abb82 ("export.h, genksyms: do not make genksyms calculate CRC of trimmed symbols")
Signed-off-by: Zhengyuan Liu <liuzhengyuan@kylinos.cn>
Signed-off-by: Song Liu <songliubraving@fb.com>
This commit is contained in:
Zhengyuan Liu 2019-12-20 10:21:27 +08:00 committed by Song Liu
parent 6b8651aac1
commit 5e5ac01c2b
2 changed files with 3 additions and 1 deletions
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2
include/linux/raid/pq.h
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@ -58,7 +58,9 @@ extern const char raid6_empty_zero_page[PAGE_SIZE];
#define enable_kernel_altivec()
#define disable_kernel_altivec()
#undef EXPORT_SYMBOL
#define EXPORT_SYMBOL(sym)
#undef EXPORT_SYMBOL_GPL
#define EXPORT_SYMBOL_GPL(sym)
#define MODULE_LICENSE(licence)
#define MODULE_DESCRIPTION(desc)

2
lib/raid6/mktables.c
View File

@ -56,8 +56,8 @@ int main(int argc, char *argv[])
uint8_t v;
uint8_t exptbl[256], invtbl[256];
printf("#include <linux/raid/pq.h>\n");
printf("#include <linux/export.h>\n");
printf("#include <linux/raid/pq.h>\n");
/* Compute multiplication table */
printf("\nconst u8 __attribute__((aligned(256)))\n"