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author | Masami Hiramatsu <mhiramat@kernel.org> | 2018-08-30 17:16:13 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-01 11:16:59 +0300 |
commit | 58ceffabad41aaab4dcf68490b10133344a2377e (patch) | |
tree | 6c05c92571b9eaef53a28a4683ab57674f15f02b | |
parent | adcb6d9ff121bcff8365ab42321d71fbed4725ea (diff) | |
download | linux-58ceffabad41aaab4dcf68490b10133344a2377e.tar.xz |
selftests/ftrace: Fix to test kprobe $comm arg only if available
[ Upstream commit 2452c96e617a0ff6fb2692e55217a3fa57a7322c ]
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>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc | 3 |
1 files changed, 3 insertions, 0 deletions
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 d026ff4e562f..92ffb3bd33d8 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 @@ -78,8 +78,11 @@ 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)" \ |