[PATCH 4/4] selftests/powerpc: Skip TM tests if we don't have TM

[Michael Ellerman]

Make the newly added TM tests skip if we don't have TM available, either
because we're running on old hardware, or the kernel doesn't have TM
support enabled.

Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
---
 tools/testing/selftests/powerpc/tm/Makefile             | 8 +++++---
 tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c | 3 +++
 tools/testing/selftests/powerpc/tm/tm-signal-stack.c    | 3 +++
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/powerpc/tm/Makefile 
b/tools/testing/selftests/powerpc/tm/Makefile
index 3e6e7aaa5312..578572a3700a 100644
--- a/tools/testing/selftests/powerpc/tm/Makefile
+++ b/tools/testing/selftests/powerpc/tm/Makefile
@@ -2,10 +2,12 @@ TEST_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv 
tm-signal-stack
 
 all: $(TEST_PROGS)
 
-$(TEST_PROGS): ../harness.c
+$(TEST_PROGS): ../harness.c ../utils.c
 
-tm-syscall: tm-syscall-asm.S ../utils.c
-tm-syscall: CFLAGS += -mhtm -I../../../../../usr/include
+CFLAGS += -I../../../../../usr/include
+
+tm-syscall: tm-syscall-asm.S
+tm-syscall: CFLAGS += -mhtm
 
 include ../../lib.mk
 
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c 
b/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c
index bdad34803c06..a6589582b780 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-msr-resv.c
@@ -18,6 +18,7 @@
 #include <signal.h>
 #include <unistd.h>
 
+#include "tm.h"
 #include "utils.h"
 
 int segv_expected = 0;
@@ -49,6 +50,8 @@ int tm_signal_msr_resv()
 {
        struct sigaction act;
 
+       SKIP_IF(!have_htm());
+
        act.sa_sigaction = signal_usr1;
        sigemptyset(&act.sa_mask);
        act.sa_flags = SA_SIGINFO;
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-stack.c 
b/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
index 62f2a5f108c6..82c29cb222dc 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <signal.h>
 
+#include "tm.h"
 #include "utils.h"
 
 void signal_segv(int signum)
@@ -33,6 +34,8 @@ int tm_signal_stack()
 {
        int pid;
 
+       SKIP_IF(!have_htm());
+
        pid = fork();
        if (pid < 0)
                exit(1);
-- 
2.5.0

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