From: Zhengyuan Liu liuzhengyuan@kylinos.cn
[ Upstream commit 5e5ac01c2b8802921fee680518a986011cb59820 ]
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: 69a94abb82ee ("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 Signed-off-by: Sasha Levin sashal@kernel.org --- include/linux/raid/pq.h | 2 ++ lib/raid6/mktables.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index 0b6e7ad9cd2a8..e0ddb47f44020 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -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) diff --git a/lib/raid6/mktables.c b/lib/raid6/mktables.c index 9c485df1308fb..f02e10fa62381 100644 --- a/lib/raid6/mktables.c +++ b/lib/raid6/mktables.c @@ -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"