diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/mm/subpage_prot.c')
-rw-r--r-- | tools/testing/selftests/powerpc/mm/subpage_prot.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/mm/subpage_prot.c b/tools/testing/selftests/powerpc/mm/subpage_prot.c index 35ade7406dcd..3ae77ba93208 100644 --- a/tools/testing/selftests/powerpc/mm/subpage_prot.c +++ b/tools/testing/selftests/powerpc/mm/subpage_prot.c | |||
@@ -135,6 +135,16 @@ static int run_test(void *addr, unsigned long size) | |||
135 | return 0; | 135 | return 0; |
136 | } | 136 | } |
137 | 137 | ||
138 | static int syscall_available(void) | ||
139 | { | ||
140 | int rc; | ||
141 | |||
142 | errno = 0; | ||
143 | rc = syscall(__NR_subpage_prot, 0, 0, 0); | ||
144 | |||
145 | return rc == 0 || (errno != ENOENT && errno != ENOSYS); | ||
146 | } | ||
147 | |||
138 | int test_anon(void) | 148 | int test_anon(void) |
139 | { | 149 | { |
140 | unsigned long align; | 150 | unsigned long align; |
@@ -145,6 +155,8 @@ int test_anon(void) | |||
145 | void *mallocblock; | 155 | void *mallocblock; |
146 | unsigned long mallocsize; | 156 | unsigned long mallocsize; |
147 | 157 | ||
158 | SKIP_IF(!syscall_available()); | ||
159 | |||
148 | if (getpagesize() != 0x10000) { | 160 | if (getpagesize() != 0x10000) { |
149 | fprintf(stderr, "Kernel page size must be 64K!\n"); | 161 | fprintf(stderr, "Kernel page size must be 64K!\n"); |
150 | return 1; | 162 | return 1; |
@@ -180,6 +192,8 @@ int test_file(void) | |||
180 | off_t filesize; | 192 | off_t filesize; |
181 | int fd; | 193 | int fd; |
182 | 194 | ||
195 | SKIP_IF(!syscall_available()); | ||
196 | |||
183 | fd = open(file_name, O_RDWR); | 197 | fd = open(file_name, O_RDWR); |
184 | if (fd == -1) { | 198 | if (fd == -1) { |
185 | perror("failed to open file"); | 199 | perror("failed to open file"); |