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Subject[GIT PULL] kselftest update 2 for Linux 4.18-rc1
Date
Hi Linus,

Please pull the following Kselftest update 2 for 4.18-rc1

This second Kselftest update for Linux 4.18-rc1:

- fixes a signedness bug in cgroups test
- adds ppc support for kprobe args tests

diff is attached.

thanks,
-- Shuah

-----------------------------------------------------------------------------------
The following changes since commit fa32156921daa5c175228e2cac7679d50efd6c52:

selftests: lib: fix prime_numbers module search and skip logic (2018-05-30 21:32:55 -0600)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-4.18-rc1-2

for you to fetch changes up to 53c3daf8cfeae4b1289723c7abeb9540c1630cf8:

kselftest/cgroup: fix a signedness bug (2018-06-07 13:44:30 -0600)

----------------------------------------------------------------
linux-kselftest-4.18-rc1-2

This second Kselftest update for Linux 4.18-rc1:

- fixes a signedness bug in cgroups test
- adds ppc support for kprobe args tests

----------------------------------------------------------------
Dan Carpenter (1):
kselftest/cgroup: fix a signedness bug

Naveen N. Rao (1):
selftests/ftrace: Add ppc support for kprobe args tests

tools/testing/selftests/cgroup/cgroup_util.c | 4 ++--
.../testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc | 8 ++++++++
.../testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc | 7 +++++++
3 files changed, 17 insertions(+), 2 deletions(-)

-----------------------------------------------------------------------------------
diff --git a/tools/testing/selftests/cgroup/cgroup_util.c b/tools/testing/selftests/cgroup/cgroup_util.c
index b69bdeb4b9fe..1e9e3c470561 100644
--- a/tools/testing/selftests/cgroup/cgroup_util.c
+++ b/tools/testing/selftests/cgroup/cgroup_util.c
@@ -35,7 +35,7 @@ static ssize_t read_text(const char *path, char *buf, size_t max_len)
return len;
}

-static ssize_t write_text(const char *path, char *buf, size_t len)
+static ssize_t write_text(const char *path, char *buf, ssize_t len)
{
int fd;

@@ -140,7 +140,7 @@ long cg_read_key_long(const char *cgroup, const char *control, const char *key)
int cg_write(const char *cgroup, const char *control, char *buf)
{
char path[PATH_MAX];
- size_t len = strlen(buf);
+ ssize_t len = strlen(buf);

snprintf(path, sizeof(path), "%s/%s", cgroup, control);

diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc
index 5ba73035e1d9..a0002563e9ee 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc
@@ -24,6 +24,14 @@ arm*)
ARG2=%r1
OFFS=4
;;
+ppc64*)
+ ARG2=%r4
+ OFFS=8
+;;
+ppc*)
+ ARG2=%r4
+ OFFS=4
+;;
*)
echo "Please implement other architecture here"
exit_untested
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 231bcd2c4eb5..d026ff4e562f 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
@@ -34,6 +34,13 @@ arm*)
GOODREG=%r0
BADREG=%ax
;;
+ppc*)
+ GOODREG=%r3
+ BADREG=%msr
+;;
+*)
+ echo "Please implement other architecture here"
+ exit_untested
esac

test_goodarg() # Good-args
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