[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Li Zhijian]

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

[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Li Zhijian]

SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27

fix the following issue:
-------------------
root at 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 at 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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[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[lizhijian]

SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27

fix the following issue:
-------------------
root at 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 at 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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[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[Li Zhijian]

pkey_get() and pkey_set() are implemented since glibc-2.27, here just
rename pkey_get|pkey_set to _pkey_get|_pkey_set simply

the compiling errors are like:
------------
protection_keys.c:399:5: error: conflicting types for 'pkey_get'
 u32 pkey_get(int pkey, unsigned long flags)
     ^
In file included from /usr/include/bits/mman-linux.h:115:0,
                 from /usr/include/bits/mman.h:45,
                 from /usr/include/sys/mman.h:41,
                 from protection_keys.c:37:
/usr/include/bits/mman-shared.h:64:5: note: previous declaration of 'pkey_get' was here
 int pkey_get (int __key) __THROW;
     ^
protection_keys.c:421:5: error: conflicting types for 'pkey_set'
 int pkey_set(int pkey, unsigned long rights, unsigned long flags)
     ^
In file included from /usr/include/bits/mman-linux.h:115:0,
                 from /usr/include/bits/mman.h:45,
                 from /usr/include/sys/mman.h:41,
                 from protection_keys.c:37:
/usr/include/bits/mman-shared.h:60:5: note: previous declaration of 'pkey_set' was here
 int pkey_set (int __key, unsigned int __access_rights) __THROW;
     ^
------------

Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
---
 tools/testing/selftests/x86/protection_keys.c | 32 +++++++++++++++------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
index 757bb16..ccbd81f 100644
--- a/tools/testing/selftests/x86/protection_keys.c
+++ b/tools/testing/selftests/x86/protection_keys.c
@@ -397,10 +397,14 @@ pid_t fork_lazy_child(void)
 	return forkret;
 }
 
-#define PKEY_DISABLE_ACCESS    0x1
-#define PKEY_DISABLE_WRITE     0x2
+#ifndef PKEY_DISABLE_ACCESS
+# define PKEY_DISABLE_ACCESS    0x1
+#endif
+#ifndef PKEY_DISABLE_WRITE
+# define PKEY_DISABLE_WRITE     0x2
+#endif
 
-u32 pkey_get(int pkey, unsigned long flags)
+u32 _pkey_get(int pkey, unsigned long flags)
 {
 	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
 	u32 pkru = __rdpkru();
@@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
 	return masked_pkru;
 }
 
-int pkey_set(int pkey, unsigned long rights, unsigned long flags)
+int _pkey_set(int pkey, unsigned long rights, unsigned long flags)
 {
 	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
 	u32 old_pkru = __rdpkru();
@@ -456,15 +460,15 @@ void pkey_disable_set(int pkey, int flags)
 		pkey, flags);
 	pkey_assert(flags & (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE));
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
+	pkey_rights = _pkey_get(pkey, syscall_flags);
 
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 	pkey_assert(pkey_rights >= 0);
 
 	pkey_rights |= flags;
 
-	ret = pkey_set(pkey, pkey_rights, syscall_flags);
+	ret = _pkey_set(pkey, pkey_rights, syscall_flags);
 	assert(!ret);
 	/*pkru and flags have the same format */
 	shadow_pkru |= flags << (pkey * 2);
@@ -472,8 +476,8 @@ void pkey_disable_set(int pkey, int flags)
 
 	pkey_assert(ret >= 0);
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	pkey_rights = _pkey_get(pkey, syscall_flags);
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 
 	dprintf1("%s(%d) pkru: 0x%x\n", __func__, pkey, rdpkru());
@@ -487,24 +491,24 @@ void pkey_disable_clear(int pkey, int flags)
 {
 	unsigned long syscall_flags = 0;
 	int ret;
-	int pkey_rights = pkey_get(pkey, syscall_flags);
+	int pkey_rights = _pkey_get(pkey, syscall_flags);
 	u32 orig_pkru = rdpkru();
 
 	pkey_assert(flags & (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE));
 
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 	pkey_assert(pkey_rights >= 0);
 
 	pkey_rights |= flags;
 
-	ret = pkey_set(pkey, pkey_rights, 0);
+	ret = _pkey_set(pkey, pkey_rights, 0);
 	/* pkru and flags have the same format */
 	shadow_pkru &= ~(flags << (pkey * 2));
 	pkey_assert(ret >= 0);
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	pkey_rights = _pkey_get(pkey, syscall_flags);
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 
 	dprintf1("%s(%d) pkru: 0x%x\n", __func__, pkey, rdpkru());
-- 
2.7.4

[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[Li Zhijian]

pkey_get() and pkey_set() are implemented since glibc-2.27, here just
rename pkey_get|pkey_set to _pkey_get|_pkey_set simply

the compiling errors are like:
------------
protection_keys.c:399:5: error: conflicting types for 'pkey_get'
 u32 pkey_get(int pkey, unsigned long flags)
     ^
In file included from /usr/include/bits/mman-linux.h:115:0,
                 from /usr/include/bits/mman.h:45,
                 from /usr/include/sys/mman.h:41,
                 from protection_keys.c:37:
/usr/include/bits/mman-shared.h:64:5: note: previous declaration of 'pkey_get' was here
 int pkey_get (int __key) __THROW;
     ^
protection_keys.c:421:5: error: conflicting types for 'pkey_set'
 int pkey_set(int pkey, unsigned long rights, unsigned long flags)
     ^
In file included from /usr/include/bits/mman-linux.h:115:0,
                 from /usr/include/bits/mman.h:45,
                 from /usr/include/sys/mman.h:41,
                 from protection_keys.c:37:
/usr/include/bits/mman-shared.h:60:5: note: previous declaration of 'pkey_set' was here
 int pkey_set (int __key, unsigned int __access_rights) __THROW;
     ^
------------

Signed-off-by: Li Zhijian <lizhijian at cn.fujitsu.com>
---
 tools/testing/selftests/x86/protection_keys.c | 32 +++++++++++++++------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
index 757bb16..ccbd81f 100644
--- a/tools/testing/selftests/x86/protection_keys.c
+++ b/tools/testing/selftests/x86/protection_keys.c
@@ -397,10 +397,14 @@ pid_t fork_lazy_child(void)
 	return forkret;
 }
 
-#define PKEY_DISABLE_ACCESS    0x1
-#define PKEY_DISABLE_WRITE     0x2
+#ifndef PKEY_DISABLE_ACCESS
+# define PKEY_DISABLE_ACCESS    0x1
+#endif
+#ifndef PKEY_DISABLE_WRITE
+# define PKEY_DISABLE_WRITE     0x2
+#endif
 
-u32 pkey_get(int pkey, unsigned long flags)
+u32 _pkey_get(int pkey, unsigned long flags)
 {
 	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
 	u32 pkru = __rdpkru();
@@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
 	return masked_pkru;
 }
 
-int pkey_set(int pkey, unsigned long rights, unsigned long flags)
+int _pkey_set(int pkey, unsigned long rights, unsigned long flags)
 {
 	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
 	u32 old_pkru = __rdpkru();
@@ -456,15 +460,15 @@ void pkey_disable_set(int pkey, int flags)
 		pkey, flags);
 	pkey_assert(flags & (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE));
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
+	pkey_rights = _pkey_get(pkey, syscall_flags);
 
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 	pkey_assert(pkey_rights >= 0);
 
 	pkey_rights |= flags;
 
-	ret = pkey_set(pkey, pkey_rights, syscall_flags);
+	ret = _pkey_set(pkey, pkey_rights, syscall_flags);
 	assert(!ret);
 	/*pkru and flags have the same format */
 	shadow_pkru |= flags << (pkey * 2);
@@ -472,8 +476,8 @@ void pkey_disable_set(int pkey, int flags)
 
 	pkey_assert(ret >= 0);
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	pkey_rights = _pkey_get(pkey, syscall_flags);
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 
 	dprintf1("%s(%d) pkru: 0x%x\n", __func__, pkey, rdpkru());
@@ -487,24 +491,24 @@ void pkey_disable_clear(int pkey, int flags)
 {
 	unsigned long syscall_flags = 0;
 	int ret;
-	int pkey_rights = pkey_get(pkey, syscall_flags);
+	int pkey_rights = _pkey_get(pkey, syscall_flags);
 	u32 orig_pkru = rdpkru();
 
 	pkey_assert(flags & (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE));
 
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 	pkey_assert(pkey_rights >= 0);
 
 	pkey_rights |= flags;
 
-	ret = pkey_set(pkey, pkey_rights, 0);
+	ret = _pkey_set(pkey, pkey_rights, 0);
 	/* pkru and flags have the same format */
 	shadow_pkru &= ~(flags << (pkey * 2));
 	pkey_assert(ret >= 0);
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	pkey_rights = _pkey_get(pkey, syscall_flags);
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 
 	dprintf1("%s(%d) pkru: 0x%x\n", __func__, pkey, rdpkru());
-- 
2.7.4



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[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[lizhijian]

pkey_get() and pkey_set() are implemented since glibc-2.27, here just
rename pkey_get|pkey_set to _pkey_get|_pkey_set simply

the compiling errors are like:
------------
protection_keys.c:399:5: error: conflicting types for 'pkey_get'
 u32 pkey_get(int pkey, unsigned long flags)
     ^
In file included from /usr/include/bits/mman-linux.h:115:0,
                 from /usr/include/bits/mman.h:45,
                 from /usr/include/sys/mman.h:41,
                 from protection_keys.c:37:
/usr/include/bits/mman-shared.h:64:5: note: previous declaration of 'pkey_get' was here
 int pkey_get (int __key) __THROW;
     ^
protection_keys.c:421:5: error: conflicting types for 'pkey_set'
 int pkey_set(int pkey, unsigned long rights, unsigned long flags)
     ^
In file included from /usr/include/bits/mman-linux.h:115:0,
                 from /usr/include/bits/mman.h:45,
                 from /usr/include/sys/mman.h:41,
                 from protection_keys.c:37:
/usr/include/bits/mman-shared.h:60:5: note: previous declaration of 'pkey_set' was here
 int pkey_set (int __key, unsigned int __access_rights) __THROW;
     ^
------------

Signed-off-by: Li Zhijian <lizhijian at cn.fujitsu.com>
---
 tools/testing/selftests/x86/protection_keys.c | 32 +++++++++++++++------------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
index 757bb16..ccbd81f 100644
--- a/tools/testing/selftests/x86/protection_keys.c
+++ b/tools/testing/selftests/x86/protection_keys.c
@@ -397,10 +397,14 @@ pid_t fork_lazy_child(void)
 	return forkret;
 }
 
-#define PKEY_DISABLE_ACCESS    0x1
-#define PKEY_DISABLE_WRITE     0x2
+#ifndef PKEY_DISABLE_ACCESS
+# define PKEY_DISABLE_ACCESS    0x1
+#endif
+#ifndef PKEY_DISABLE_WRITE
+# define PKEY_DISABLE_WRITE     0x2
+#endif
 
-u32 pkey_get(int pkey, unsigned long flags)
+u32 _pkey_get(int pkey, unsigned long flags)
 {
 	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
 	u32 pkru = __rdpkru();
@@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
 	return masked_pkru;
 }
 
-int pkey_set(int pkey, unsigned long rights, unsigned long flags)
+int _pkey_set(int pkey, unsigned long rights, unsigned long flags)
 {
 	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
 	u32 old_pkru = __rdpkru();
@@ -456,15 +460,15 @@ void pkey_disable_set(int pkey, int flags)
 		pkey, flags);
 	pkey_assert(flags & (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE));
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
+	pkey_rights = _pkey_get(pkey, syscall_flags);
 
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 	pkey_assert(pkey_rights >= 0);
 
 	pkey_rights |= flags;
 
-	ret = pkey_set(pkey, pkey_rights, syscall_flags);
+	ret = _pkey_set(pkey, pkey_rights, syscall_flags);
 	assert(!ret);
 	/*pkru and flags have the same format */
 	shadow_pkru |= flags << (pkey * 2);
@@ -472,8 +476,8 @@ void pkey_disable_set(int pkey, int flags)
 
 	pkey_assert(ret >= 0);
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	pkey_rights = _pkey_get(pkey, syscall_flags);
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 
 	dprintf1("%s(%d) pkru: 0x%x\n", __func__, pkey, rdpkru());
@@ -487,24 +491,24 @@ void pkey_disable_clear(int pkey, int flags)
 {
 	unsigned long syscall_flags = 0;
 	int ret;
-	int pkey_rights = pkey_get(pkey, syscall_flags);
+	int pkey_rights = _pkey_get(pkey, syscall_flags);
 	u32 orig_pkru = rdpkru();
 
 	pkey_assert(flags & (PKEY_DISABLE_ACCESS | PKEY_DISABLE_WRITE));
 
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 	pkey_assert(pkey_rights >= 0);
 
 	pkey_rights |= flags;
 
-	ret = pkey_set(pkey, pkey_rights, 0);
+	ret = _pkey_set(pkey, pkey_rights, 0);
 	/* pkru and flags have the same format */
 	shadow_pkru &= ~(flags << (pkey * 2));
 	pkey_assert(ret >= 0);
 
-	pkey_rights = pkey_get(pkey, syscall_flags);
-	dprintf1("%s(%d) pkey_get(%d): %x\n", __func__,
+	pkey_rights = _pkey_get(pkey, syscall_flags);
+	dprintf1("%s(%d) _pkey_get(%d): %x\n", __func__,
 			pkey, pkey, pkey_rights);
 
 	dprintf1("%s(%d) pkru: 0x%x\n", __func__, pkey, rdpkru());
-- 
2.7.4



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Re: [PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[Dave Hansen]

On 05/08/2018 02:14 AM, Li Zhijian wrote:
> -u32 pkey_get(int pkey, unsigned long flags)
> +u32 _pkey_get(int pkey, unsigned long flags)
>  {
>  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
>  	u32 pkru = __rdpkru();
> @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
>  	return masked_pkru;
>  }

I'm not a huge fan of random underscores for undocumented reasons.  But,
oh well.

Acked-by: Dave Hansen <dave.hansen@intel.com>

[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[Dave Hansen]

On 05/08/2018 02:14 AM, Li Zhijian wrote:
> -u32 pkey_get(int pkey, unsigned long flags)
> +u32 _pkey_get(int pkey, unsigned long flags)
>  {
>  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
>  	u32 pkru = __rdpkru();
> @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
>  	return masked_pkru;
>  }

I'm not a huge fan of random underscores for undocumented reasons.  But,
oh well.

Acked-by: Dave Hansen <dave.hansen at intel.com>
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[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[dave.hansen]

On 05/08/2018 02:14 AM, Li Zhijian wrote:
> -u32 pkey_get(int pkey, unsigned long flags)
> +u32 _pkey_get(int pkey, unsigned long flags)
>  {
>  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
>  	u32 pkru = __rdpkru();
> @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
>  	return masked_pkru;
>  }

I'm not a huge fan of random underscores for undocumented reasons.  But,
oh well.

Acked-by: Dave Hansen <dave.hansen at intel.com>
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Re: [PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[Shuah Khan]

On 05/08/2018 10:30 AM, Dave Hansen wrote:
> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>> -u32 pkey_get(int pkey, unsigned long flags)
>> +u32 _pkey_get(int pkey, unsigned long flags)
>>  {
>>  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
>>  	u32 pkru = __rdpkru();
>> @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
>>  	return masked_pkru;
>>  }
> 
> I'm not a huge fan of random underscores for undocumented reasons.  But,
> oh well.
> 
> Acked-by: Dave Hansen <dave.hansen@intel.com>
> 

Thanks. Queuing this up for 4.17-rc5

-- Shuah

[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[Shuah Khan]

On 05/08/2018 10:30 AM, Dave Hansen wrote:
> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>> -u32 pkey_get(int pkey, unsigned long flags)
>> +u32 _pkey_get(int pkey, unsigned long flags)
>>  {
>>  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
>>  	u32 pkru = __rdpkru();
>> @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
>>  	return masked_pkru;
>>  }
> 
> I'm not a huge fan of random underscores for undocumented reasons.  But,
> oh well.
> 
> Acked-by: Dave Hansen <dave.hansen at intel.com>
> 

Thanks. Queuing this up for 4.17-rc5

-- Shuah
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[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[shuah]

On 05/08/2018 10:30 AM, Dave Hansen wrote:
> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>> -u32 pkey_get(int pkey, unsigned long flags)
>> +u32 _pkey_get(int pkey, unsigned long flags)
>>  {
>>  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
>>  	u32 pkru = __rdpkru();
>> @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
>>  	return masked_pkru;
>>  }
> 
> I'm not a huge fan of random underscores for undocumented reasons.  But,
> oh well.
> 
> Acked-by: Dave Hansen <dave.hansen at intel.com>
> 

Thanks. Queuing this up for 4.17-rc5

-- Shuah
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Re: [PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[Ingo Molnar]

* Dave Hansen <dave.hansen@intel.com> wrote:

> On 05/08/2018 02:14 AM, Li Zhijian wrote:
> > -u32 pkey_get(int pkey, unsigned long flags)
> > +u32 _pkey_get(int pkey, unsigned long flags)
> >  {
> >  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
> >  	u32 pkru = __rdpkru();
> > @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
> >  	return masked_pkru;
> >  }
> 
> I'm not a huge fan of random underscores for undocumented reasons.  But,
> oh well.
> 
> Acked-by: Dave Hansen <dave.hansen@intel.com>

So I saw these too late, fixed them already, and did it slightly differently:
I used a hw_*() prefix which I think is cleaner and more obvious than underscores.

Thanks,

	Ingo

[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[Ingo Molnar]

* Dave Hansen <dave.hansen@intel.com> wrote:

> On 05/08/2018 02:14 AM, Li Zhijian wrote:
> > -u32 pkey_get(int pkey, unsigned long flags)
> > +u32 _pkey_get(int pkey, unsigned long flags)
> >  {
> >  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
> >  	u32 pkru = __rdpkru();
> > @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
> >  	return masked_pkru;
> >  }
> 
> I'm not a huge fan of random underscores for undocumented reasons.  But,
> oh well.
> 
> Acked-by: Dave Hansen <dave.hansen at intel.com>

So I saw these too late, fixed them already, and did it slightly differently:
I used a hw_*() prefix which I think is cleaner and more obvious than underscores.

Thanks,

	Ingo
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[PATCH 2/2] tools/testing/selftests/x86: fix error: conflicting types for 'pkey_get|pkey_set'

[mingo.kernel.org]

* Dave Hansen <dave.hansen at intel.com> wrote:

> On 05/08/2018 02:14 AM, Li Zhijian wrote:
> > -u32 pkey_get(int pkey, unsigned long flags)
> > +u32 _pkey_get(int pkey, unsigned long flags)
> >  {
> >  	u32 mask = (PKEY_DISABLE_ACCESS|PKEY_DISABLE_WRITE);
> >  	u32 pkru = __rdpkru();
> > @@ -422,7 +426,7 @@ u32 pkey_get(int pkey, unsigned long flags)
> >  	return masked_pkru;
> >  }
> 
> I'm not a huge fan of random underscores for undocumented reasons.  But,
> oh well.
> 
> Acked-by: Dave Hansen <dave.hansen at intel.com>

So I saw these too late, fixed them already, and did it slightly differently:
I used a hw_*() prefix which I think is cleaner and more obvious than underscores.

Thanks,

	Ingo
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Re: [PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Dave Hansen]

On 05/08/2018 02:14 AM, Li Zhijian wrote:
> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27


Acked-by: Dave Hansen <dave.hansen@intel.com>

[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Dave Hansen]

On 05/08/2018 02:14 AM, Li Zhijian wrote:
> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27


Acked-by: Dave Hansen <dave.hansen at intel.com>
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[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[dave.hansen]

On 05/08/2018 02:14 AM, Li Zhijian wrote:
> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27


Acked-by: Dave Hansen <dave.hansen at intel.com>
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Re: [PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Shuah Khan]

On 05/08/2018 10:25 AM, Dave Hansen wrote:
> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> 
> 
> Acked-by: Dave Hansen <dave.hansen@intel.com>
> 

Thanks. Queuing this up for 4.17-rc5

-- Shuah

[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Shuah Khan]

On 05/08/2018 10:25 AM, Dave Hansen wrote:
> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> 
> 
> Acked-by: Dave Hansen <dave.hansen at intel.com>
> 

Thanks. Queuing this up for 4.17-rc5

-- Shuah
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[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[shuah]

On 05/08/2018 10:25 AM, Dave Hansen wrote:
> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> 
> 
> Acked-by: Dave Hansen <dave.hansen at intel.com>
> 

Thanks. Queuing this up for 4.17-rc5

-- Shuah
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Re: [PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Ingo Molnar]

* Shuah Khan <shuah@kernel.org> wrote:

> On 05/08/2018 10:25 AM, Dave Hansen wrote:
> > On 05/08/2018 02:14 AM, Li Zhijian wrote:
> >> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> > 
> > 
> > Acked-by: Dave Hansen <dave.hansen@intel.com>
> > 
> 
> Thanks. Queuing this up for 4.17-rc5

Please drop these patches, I have fixed them slightly differently and there are 
dependencies with followup patches.

Tanks,

	Ingo

[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Ingo Molnar]

* Shuah Khan <shuah@kernel.org> wrote:

> On 05/08/2018 10:25 AM, Dave Hansen wrote:
> > On 05/08/2018 02:14 AM, Li Zhijian wrote:
> >> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> > 
> > 
> > Acked-by: Dave Hansen <dave.hansen at intel.com>
> > 
> 
> Thanks. Queuing this up for 4.17-rc5

Please drop these patches, I have fixed them slightly differently and there are 
dependencies with followup patches.

Tanks,

	Ingo
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[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[mingo]

* Shuah Khan <shuah at kernel.org> wrote:

> On 05/08/2018 10:25 AM, Dave Hansen wrote:
> > On 05/08/2018 02:14 AM, Li Zhijian wrote:
> >> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> > 
> > 
> > Acked-by: Dave Hansen <dave.hansen at intel.com>
> > 
> 
> Thanks. Queuing this up for 4.17-rc5

Please drop these patches, I have fixed them slightly differently and there are 
dependencies with followup patches.

Tanks,

	Ingo
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Re: [PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Shuah Khan]

On 05/14/2018 03:31 AM, Ingo Molnar wrote:
> 
> * Shuah Khan <shuah@kernel.org> wrote:
> 
>> On 05/08/2018 10:25 AM, Dave Hansen wrote:
>>> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>>>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
>>>
>>>
>>> Acked-by: Dave Hansen <dave.hansen@intel.com>
>>>
>>
>> Thanks. Queuing this up for 4.17-rc5
> 
> Please drop these patches, I have fixed them slightly differently and there are 
> dependencies with followup patches.
> 
> Tanks,
> 
> 	Ingo
> 

Dropped now.

thanks,
-- Shuah

[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Shuah Khan]

On 05/14/2018 03:31 AM, Ingo Molnar wrote:
> 
> * Shuah Khan <shuah@kernel.org> wrote:
> 
>> On 05/08/2018 10:25 AM, Dave Hansen wrote:
>>> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>>>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
>>>
>>>
>>> Acked-by: Dave Hansen <dave.hansen at intel.com>
>>>
>>
>> Thanks. Queuing this up for 4.17-rc5
> 
> Please drop these patches, I have fixed them slightly differently and there are 
> dependencies with followup patches.
> 
> Tanks,
> 
> 	Ingo
> 

Dropped now.

thanks,
-- Shuah
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[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[shuah]

On 05/14/2018 03:31 AM, Ingo Molnar wrote:
> 
> * Shuah Khan <shuah at kernel.org> wrote:
> 
>> On 05/08/2018 10:25 AM, Dave Hansen wrote:
>>> On 05/08/2018 02:14 AM, Li Zhijian wrote:
>>>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
>>>
>>>
>>> Acked-by: Dave Hansen <dave.hansen at intel.com>
>>>
>>
>> Thanks. Queuing this up for 4.17-rc5
> 
> Please drop these patches, I have fixed them slightly differently and there are 
> dependencies with followup patches.
> 
> Tanks,
> 
> 	Ingo
> 

Dropped now.

thanks,
-- Shuah
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Re: [PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Ingo Molnar]

* Shuah Khan <shuah@kernel.org> wrote:

> On 05/14/2018 03:31 AM, Ingo Molnar wrote:
> > 
> > * Shuah Khan <shuah@kernel.org> wrote:
> > 
> >> On 05/08/2018 10:25 AM, Dave Hansen wrote:
> >>> On 05/08/2018 02:14 AM, Li Zhijian wrote:
> >>>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> >>>
> >>>
> >>> Acked-by: Dave Hansen <dave.hansen@intel.com>
> >>>
> >>
> >> Thanks. Queuing this up for 4.17-rc5
> > 
> > Please drop these patches, I have fixed them slightly differently and there are 
> > dependencies with followup patches.
> > 
> > Tanks,
> > 
> > 	Ingo
> > 
> 
> Dropped now.

Thanks!

	Ingo

[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[Ingo Molnar]

* Shuah Khan <shuah@kernel.org> wrote:

> On 05/14/2018 03:31 AM, Ingo Molnar wrote:
> > 
> > * Shuah Khan <shuah@kernel.org> wrote:
> > 
> >> On 05/08/2018 10:25 AM, Dave Hansen wrote:
> >>> On 05/08/2018 02:14 AM, Li Zhijian wrote:
> >>>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> >>>
> >>>
> >>> Acked-by: Dave Hansen <dave.hansen at intel.com>
> >>>
> >>
> >> Thanks. Queuing this up for 4.17-rc5
> > 
> > Please drop these patches, I have fixed them slightly differently and there are 
> > dependencies with followup patches.
> > 
> > Tanks,
> > 
> > 	Ingo
> > 
> 
> Dropped now.

Thanks!

	Ingo
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[PATCH 1/2] tools/testing/selftests/x86: fix warning: "SEGV_PKUERR|SEGV_BNDERR" redefined

[mingo]

* Shuah Khan <shuah at kernel.org> wrote:

> On 05/14/2018 03:31 AM, Ingo Molnar wrote:
> > 
> > * Shuah Khan <shuah at kernel.org> wrote:
> > 
> >> On 05/08/2018 10:25 AM, Dave Hansen wrote:
> >>> On 05/08/2018 02:14 AM, Li Zhijian wrote:
> >>>> SEGV_PKUERR and SEGV_BNDERR are defined since glibc-2.27
> >>>
> >>>
> >>> Acked-by: Dave Hansen <dave.hansen at intel.com>
> >>>
> >>
> >> Thanks. Queuing this up for 4.17-rc5
> > 
> > Please drop these patches, I have fixed them slightly differently and there are 
> > dependencies with followup patches.
> > 
> > Tanks,
> > 
> > 	Ingo
> > 
> 
> Dropped now.

Thanks!

	Ingo
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