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Subject[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined
Date
SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27

fix the following issue:
-------------------
root@vm-lkp-nex04-4G-5 /usr/src/linux-selftests-x86_64-rhel-7.2-75bc37fefc4471e718ba8e651aa74673d4e0a9eb/tools/testing/selftests/x86# make
gcc -m32 -o /usr/src/linux-selftests-x86_64-rhel-7.2-75bc37fefc4471e718ba8e651aa74673d4e0a9eb/tools/testing/selftests/x86/protection_keys_32 -O2 -g -std=gnu99 -pthread -Wall -no-pie -DCAN_BUILD_32 -DCAN_BUILD_64 protection_keys.c -lrt -ldl -lm
gcc -m64 -o /usr/src/linux-selftests-x86_64-rhel-7.2-75bc37fefc4471e718ba8e651aa74673d4e0a9eb/tools/testing/selftests/x86/protection_keys_64 -O2 -g -std=gnu99 -pthread -Wall -no-pie -DCAN_BUILD_32 -DCAN_BUILD_64 protection_keys.c -lrt -ldl
protection_keys.c:228:0: warning: "SEGV_BNDERR" redefined
#define SEGV_BNDERR 3 /* failed address bound checks */
^
In file included from /usr/include/signal.h:58:0,
from protection_keys.c:33:
/usr/include/bits/siginfo-consts.h:117:0: note: this is the location of the previous definition
# define SEGV_BNDERR SEGV_BNDERR
^
protection_keys.c:229:0: warning: "SEGV_PKUERR" redefined
#define SEGV_PKUERR 4
^
In file included from /usr/include/signal.h:58:0,
from protection_keys.c:33:
/usr/include/bits/siginfo-consts.h:119:0: note: this is the location of the previous definition
# define SEGV_PKUERR SEGV_PKUERR
^
protection_keys.c:228:0: warning: "SEGV_BNDERR" redefined
#define SEGV_BNDERR 3 /* failed address bound checks */
^
In file included from /usr/include/signal.h:58:0,
from protection_keys.c:33:
/usr/include/x86_64-linux-gnu/bits/siginfo-consts.h:117:0: note: this is the location of the previous definition
# define SEGV_BNDERR SEGV_BNDERR
^
protection_keys.c:229:0: warning: "SEGV_PKUERR" redefined
#define SEGV_PKUERR 4
^
In file included from /usr/include/signal.h:58:0,
from protection_keys.c:33:
/usr/include/x86_64-linux-gnu/bits/siginfo-consts.h:119:0: note: this is the location of the previous definition
# define SEGV_PKUERR SEGV_PKUERR
^
-------------------

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
---
tools/testing/selftests/x86/protection_keys.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
index f15aa5a..757bb16 100644
--- a/tools/testing/selftests/x86/protection_keys.c
+++ b/tools/testing/selftests/x86/protection_keys.c
@@ -225,8 +225,12 @@ void dump_mem(void *dumpme, int len_bytes)
}
}

-#define SEGV_BNDERR 3 /* failed address bound checks */
-#define SEGV_PKUERR 4
+#ifndef SEGV_BNDERR
+# define SEGV_BNDERR 3 /* failed address bound checks */
+#endif
+#ifndef SEGV_PKUERR
+# define SEGV_PKUERR 4
+#endif

static char *si_code_str(int si_code)
{
--
2.7.4


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