Test $comm in kprobe-event argument syntax testcase only if it is supported on the kernel because $comm has been introduced 4.8 kernel. So on older stable kernel, it should be skipped.
Signed-off-by: Masami Hiramatsu mhiramat@kernel.org --- .../ftrace/test.d/kprobe/kprobe_args_syntax.tc | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc index d783a8ce0692..6f0f19953193 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc @@ -75,8 +75,11 @@ test_badarg "$stackp" "$stack0+10" "$stack1-10" echo "r ${PROBEFUNC} $retval" > kprobe_events ! echo "p ${PROBEFUNC} $retval" > kprobe_events
+# $comm was introduced in 4.8, older kernels reject it. +if grep -A1 "fetcharg:" README | grep -q '$comm' ; then : "Comm access" test_goodarg "$comm" +fi
: "Indirect memory access" test_goodarg "+0(${GOODREG})" "-0(${GOODREG})" "+10($stack)" \
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