diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-20 11:27:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-20 11:27:18 +0100 |
| commit | 4958134df54c2c84e9c22ea042761d439164d26e (patch) | |
| tree | 503177afab11f7d25b12a84ce25b481d305c51ba /tools/testing/selftests/powerpc/mm/subpage_prot.c | |
| parent | c4f528795d1add8b63652673f7262729f679c6c1 (diff) | |
| parent | c698ca5278934c0ae32297a8725ced2e27585d7f (diff) | |
Merge 4.16-rc6 into tty-next
We want the serial/tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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) return 0; } +static int syscall_available(void) +{ + int rc; + + errno = 0; + rc = syscall(__NR_subpage_prot, 0, 0, 0); + + return rc == 0 || (errno != ENOENT && errno != ENOSYS); +} + int test_anon(void) { unsigned long align; @@ -145,6 +155,8 @@ int test_anon(void) void *mallocblock; unsigned long mallocsize; + SKIP_IF(!syscall_available()); + if (getpagesize() != 0x10000) { fprintf(stderr, "Kernel page size must be 64K!\n"); return 1; @@ -180,6 +192,8 @@ int test_file(void) off_t filesize; int fd; + SKIP_IF(!syscall_available()); + fd = open(file_name, O_RDWR); if (fd == -1) { perror("failed to open file"); |