selftests/powerpc: Skip tm-trap if transactional memory is not enabled
authorMichael Ellerman <mpe@ellerman.id.au>
Mon, 26 Feb 2018 02:17:07 +0000 (13:17 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 26 Feb 2018 02:18:25 +0000 (13:18 +1100)
Some processor revisions do not support transactional memory, and
additionally kernel support can be disabled. In either case the
tm-trap test should be skipped, otherwise it will fail with a SIGILL.

Fixes: a08082f8e4e1 ("powerpc/selftests: Check endianness on trap in TM")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
tools/testing/selftests/powerpc/tm/tm-trap.c

index 5d92c23..179d592 100644 (file)
@@ -255,6 +255,8 @@ int tm_trap_test(void)
 
        struct sigaction trap_sa;
 
+       SKIP_IF(!have_htm());
+
        trap_sa.sa_flags = SA_SIGINFO;
        trap_sa.sa_sigaction = trap_signal_handler;
        sigaction(SIGTRAP, &trap_sa, NULL);