Replace literal 0 with macro PKEY_UNRESTRICTED where pkey_*() functions
are used in mm selftests for memory protection keys for ppc target.

Signed-off-by: Yury Khrustalev <yury.khrusta...@arm.com>
Suggested-by: Kevin Brodsky <kevin.brod...@arm.com>

---
Note that I couldn't build these tests so I would appreciate if someone
could check this patch. Thank you!

---
 tools/testing/selftests/powerpc/include/pkeys.h      | 2 +-
 tools/testing/selftests/powerpc/mm/pkey_exec_prot.c  | 2 +-
 tools/testing/selftests/powerpc/mm/pkey_siginfo.c    | 2 +-
 tools/testing/selftests/powerpc/ptrace/core-pkey.c   | 6 +++---
 tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c | 6 +++---
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/powerpc/include/pkeys.h 
b/tools/testing/selftests/powerpc/include/pkeys.h
index 51729d9a7111..430cb4bd7472 100644
--- a/tools/testing/selftests/powerpc/include/pkeys.h
+++ b/tools/testing/selftests/powerpc/include/pkeys.h
@@ -85,7 +85,7 @@ int pkeys_unsupported(void)
        SKIP_IF(!hash_mmu);
 
        /* Check if the system call is supported */
-       pkey = sys_pkey_alloc(0, 0);
+       pkey = sys_pkey_alloc(0, PKEY_UNRESTRICTED);
        SKIP_IF(pkey < 0);
        sys_pkey_free(pkey);
 
diff --git a/tools/testing/selftests/powerpc/mm/pkey_exec_prot.c 
b/tools/testing/selftests/powerpc/mm/pkey_exec_prot.c
index 0af4f02669a1..29b91b7456eb 100644
--- a/tools/testing/selftests/powerpc/mm/pkey_exec_prot.c
+++ b/tools/testing/selftests/powerpc/mm/pkey_exec_prot.c
@@ -72,7 +72,7 @@ static void segv_handler(int signum, siginfo_t *sinfo, void 
*ctx)
 
                switch (fault_type) {
                case PKEY_DISABLE_ACCESS:
-                       pkey_set_rights(fault_pkey, 0);
+                       pkey_set_rights(fault_pkey, PKEY_UNRESTRICTED);
                        break;
                case PKEY_DISABLE_EXECUTE:
                        /*
diff --git a/tools/testing/selftests/powerpc/mm/pkey_siginfo.c 
b/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
index 2db76e56d4cb..e89a164c686b 100644
--- a/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
+++ b/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
@@ -83,7 +83,7 @@ static void segv_handler(int signum, siginfo_t *sinfo, void 
*ctx)
            mprotect(pgstart, pgsize, PROT_EXEC))
                _exit(1);
        else
-               pkey_set_rights(pkey, 0);
+               pkey_set_rights(pkey, PKEY_UNRESTRICTED);
 
        fault_count++;
 }
diff --git a/tools/testing/selftests/powerpc/ptrace/core-pkey.c 
b/tools/testing/selftests/powerpc/ptrace/core-pkey.c
index f6da4cb30cd6..64c985445cb7 100644
--- a/tools/testing/selftests/powerpc/ptrace/core-pkey.c
+++ b/tools/testing/selftests/powerpc/ptrace/core-pkey.c
@@ -124,16 +124,16 @@ static int child(struct shared_info *info)
        /* Get some pkeys so that we can change their bits in the AMR. */
        pkey1 = sys_pkey_alloc(0, PKEY_DISABLE_EXECUTE);
        if (pkey1 < 0) {
-               pkey1 = sys_pkey_alloc(0, 0);
+               pkey1 = sys_pkey_alloc(0, PKEY_UNRESTRICTED);
                FAIL_IF(pkey1 < 0);
 
                disable_execute = false;
        }
 
-       pkey2 = sys_pkey_alloc(0, 0);
+       pkey2 = sys_pkey_alloc(0, PKEY_UNRESTRICTED);
        FAIL_IF(pkey2 < 0);
 
-       pkey3 = sys_pkey_alloc(0, 0);
+       pkey3 = sys_pkey_alloc(0, PKEY_UNRESTRICTED);
        FAIL_IF(pkey3 < 0);
 
        info->amr |= 3ul << pkeyshift(pkey1) | 2ul << pkeyshift(pkey2);
diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c 
b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
index d89474377f11..37794f82ed66 100644
--- a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
+++ b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c
@@ -81,16 +81,16 @@ static int child(struct shared_info *info)
        /* Get some pkeys so that we can change their bits in the AMR. */
        pkey1 = sys_pkey_alloc(0, PKEY_DISABLE_EXECUTE);
        if (pkey1 < 0) {
-               pkey1 = sys_pkey_alloc(0, 0);
+               pkey1 = sys_pkey_alloc(0, PKEY_UNRESTRICTED);
                CHILD_FAIL_IF(pkey1 < 0, &info->child_sync);
 
                disable_execute = false;
        }
 
-       pkey2 = sys_pkey_alloc(0, 0);
+       pkey2 = sys_pkey_alloc(0, PKEY_UNRESTRICTED);
        CHILD_FAIL_IF(pkey2 < 0, &info->child_sync);
 
-       pkey3 = sys_pkey_alloc(0, 0);
+       pkey3 = sys_pkey_alloc(0, PKEY_UNRESTRICTED);
        CHILD_FAIL_IF(pkey3 < 0, &info->child_sync);
 
        info->amr1 |= 3ul << pkeyshift(pkey1);
-- 
2.39.5


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