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| author | Andrea Arcangeli <aarcange@redhat.com> | 2017-09-06 16:23:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-09-06 17:27:29 -0700 |
| commit | d312cb1e4884c606bafe6499fade2f91ccc2e944 (patch) | |
| tree | 9e7215020c556e38038148345b458d4afb3a5d76 | |
| parent | 67e803281d1ce26daee4f1c0a489cad27b2a583c (diff) | |
| download | linux-d312cb1e4884c606bafe6499fade2f91ccc2e944.tar.bz2 | |
userfaultfd: selftest: explicit failure if the SIGBUS test failed
Showing zero in the output isn't very self explanatory as a successful
result. Show a more explicit error output if the test fails.
Link: http://lkml.kernel.org/r/20170802165145.22628-4-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Alexey Perevalov <a.perevalov@samsung.com>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | tools/testing/selftests/vm/userfaultfd.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index 4549ae425f3e..a2c53a3d223d 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -987,7 +987,9 @@ static int userfaultfd_sig_test(void) return 1; printf("done.\n"); - printf(" Signal test userfaults: %ld\n", userfaults); + if (userfaults) + fprintf(stderr, "Signal test failed, userfaults: %ld\n", + userfaults); close(uffd); return userfaults != 0; } |