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Message-Id: <1452023119-25647-168-git-send-email-kamal@canonical.com>
Date: Tue, 5 Jan 2016 11:44:35 -0800
From: Kamal Mostafa <kamal@...onical.com>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
kernel-team@...ts.ubuntu.com
Cc: Ben Hutchings <ben@...adent.org.uk>,
Shuah Khan <shuahkh@....samsung.com>,
Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 4.2.y-ckt 167/211] selftests: kprobe: Choose an always-defined function to probe
4.2.8-ckt1 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Ben Hutchings <ben@...adent.org.uk>
commit c28628b867485165fd301e061bb9a1284ede700b upstream.
do_fork() is no longer defined on x86, so probe _do_fork() instead.
Fixes: 3033f14ab78c ("clone: support passing tls argument via C ...")
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Signed-off-by: Shuah Khan <shuahkh@....samsung.com>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
.../selftests/ftrace/test.d/kprobe/add_and_remove.tc | 2 +-
tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc | 2 +-
.../testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc | 2 +-
.../selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc | 14 +++++++-------
.../selftests/ftrace/test.d/kprobe/kretprobe_args.tc | 2 +-
5 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
index a5a4262..c3843ed 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
@@ -5,7 +5,7 @@
echo 0 > events/enable
echo > kprobe_events
-echo p:myevent do_fork > kprobe_events
+echo p:myevent _do_fork > kprobe_events
grep myevent kprobe_events
test -d events/kprobes/myevent
echo > kprobe_events
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
index d8c7bb6..74507db 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
@@ -5,7 +5,7 @@
echo 0 > events/enable
echo > kprobe_events
-echo p:myevent do_fork > kprobe_events
+echo p:myevent _do_fork > kprobe_events
test -d events/kprobes/myevent
echo 1 > events/kprobes/myevent/enable
echo > kprobe_events && exit 1 # this must fail
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
index c45ee27..64949d4 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc
@@ -5,7 +5,7 @@
echo 0 > events/enable
echo > kprobe_events
-echo 'p:testprobe do_fork $stack $stack0 +0($stack)' > kprobe_events
+echo 'p:testprobe _do_fork $stack $stack0 +0($stack)' > kprobe_events
grep testprobe kprobe_events
test -d events/kprobes/testprobe
echo 1 > events/kprobes/testprobe/enable
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
index ab41d2b..d6f2f49 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
@@ -6,31 +6,31 @@ grep function available_tracers || exit_unsupported # this is configurable
# prepare
echo nop > current_tracer
-echo do_fork > set_ftrace_filter
+echo _do_fork > set_ftrace_filter
echo 0 > events/enable
echo > kprobe_events
-echo 'p:testprobe do_fork' > kprobe_events
+echo 'p:testprobe _do_fork' > kprobe_events
# kprobe on / ftrace off
echo 1 > events/kprobes/testprobe/enable
echo > trace
( echo "forked")
grep testprobe trace
-! grep 'do_fork <-' trace
+! grep '_do_fork <-' trace
# kprobe on / ftrace on
echo function > current_tracer
echo > trace
( echo "forked")
grep testprobe trace
-grep 'do_fork <-' trace
+grep '_do_fork <-' trace
# kprobe off / ftrace on
echo 0 > events/kprobes/testprobe/enable
echo > trace
( echo "forked")
! grep testprobe trace
-grep 'do_fork <-' trace
+grep '_do_fork <-' trace
# kprobe on / ftrace on
echo 1 > events/kprobes/testprobe/enable
@@ -38,14 +38,14 @@ echo function > current_tracer
echo > trace
( echo "forked")
grep testprobe trace
-grep 'do_fork <-' trace
+grep '_do_fork <-' trace
# kprobe on / ftrace off
echo nop > current_tracer
echo > trace
( echo "forked")
grep testprobe trace
-! grep 'do_fork <-' trace
+! grep '_do_fork <-' trace
# cleanup
echo nop > current_tracer
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
index 3171798..0d09546 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc
@@ -5,7 +5,7 @@
echo 0 > events/enable
echo > kprobe_events
-echo 'r:testprobe2 do_fork $retval' > kprobe_events
+echo 'r:testprobe2 _do_fork $retval' > kprobe_events
grep testprobe2 kprobe_events
test -d events/kprobes/testprobe2
echo 1 > events/kprobes/testprobe2/enable
--
1.9.1
--
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