Since the commit 3033f14ab78c ("clone: support passing tls argument via
C rather than pt_regs magic") renames do_fork to _do_fork, the testcases
for kprobe-tracer doesn't work correctly on the latest kernel.

This fixes it by changing do_fork to _do_fork.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
Reported-by: Vince Weaver <vincent.wea...@maine.edu>
Cc: Steven Rostedt <rost...@goodmis.org>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Shuah Khan <shua...@osg.samsung.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Heiko Carstens <heiko.carst...@de.ibm.com>
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
 .../ftrace/test.d/kprobe/add_and_remove.tc         |    2 +-
 .../selftests/ftrace/test.d/kprobe/busy_check.tc   |    2 +-
 .../selftests/ftrace/test.d/kprobe/kprobe_args.tc  |    2 +-
 .../ftrace/test.d/kprobe/kprobe_ftrace.tc          |   14 +++++++-------
 .../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

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