From: Eugene Syromiatnikov <esyr@redhat.com>
To: linux-kernel@vger.kernel.org,
Christian Brauner <christian@brauner.io>,
Shuah Khan <shuah@kernel.org>,
linux-kselftest@vger.kernel.org
Cc: Adrian Reber <areber@redhat.com>
Subject: [PATCH 3/6] selftests/clone3: use uint64_t for flags parameter
Date: Tue, 10 Sep 2019 13:03:25 +0100 [thread overview]
Message-ID: <3f7bd9f0446360f90f12b9e9d3af1de2f5133a81.1568116761.git.esyr@redhat.com> (raw)
In-Reply-To: <cover.1568116761.git.esyr@redhat.com>
Flags parameter in both userspace and kernel clone args is 64-bit wide,
there's little reason to have it signed and 32-bit in tests.
* tools/testing/selftests/clone3/clone3.c: Include <inttypes.h> and
<stdint.h>.
(call_clone3): Change flags parameter type from int to uint64_t.
(test_clone3): Change flags parameter type from int to uint64_t; change
the format string that prints it accordingly.
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
---
tools/testing/selftests/clone3/clone3.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/clone3/clone3.c b/tools/testing/selftests/clone3/clone3.c
index 4f23a0c..1746a9b 100644
--- a/tools/testing/selftests/clone3/clone3.c
+++ b/tools/testing/selftests/clone3/clone3.c
@@ -4,8 +4,10 @@
#define _GNU_SOURCE
#include <errno.h>
+#include <inttypes.h>
#include <linux/types.h>
#include <linux/sched.h>
+#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/syscall.h>
@@ -36,7 +38,7 @@ static pid_t raw_clone(struct clone_args *args, size_t size)
return syscall(__NR_clone3, args, size);
}
-static int call_clone3(int flags, size_t size, enum test_mode test_mode)
+static int call_clone3(uint64_t flags, size_t size, enum test_mode test_mode)
{
struct clone_args args = {0};
pid_t ppid = -1;
@@ -102,12 +104,13 @@ static int call_clone3(int flags, size_t size, enum test_mode test_mode)
return 0;
}
-static int test_clone3(int flags, size_t size, int expected,
+static int test_clone3(uint64_t flags, size_t size, int expected,
enum test_mode test_mode)
{
int ret;
- ksft_print_msg("[%d] Trying clone3() with flags 0x%x (size %d)\n",
+ ksft_print_msg("[%d] Trying clone3() with flags %#" PRIx64 " (size %d)"
+ "\n",
getpid(), flags, size);
ret = call_clone3(flags, size, test_mode);
ksft_print_msg("[%d] clone3() with flags says :%d expected %d\n",
--
2.1.4
next prev parent reply other threads:[~2019-09-10 12:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-10 12:02 [PATCH 0/6] Update clone3 self-tests Eugene Syromiatnikov
2019-09-10 12:03 ` [PATCH 1/6] selftests/clone3: convert test modes into an enum Eugene Syromiatnikov
2019-09-16 16:28 ` shuah
2019-09-10 12:03 ` [PATCH 2/6] selftests/clone3: add a check for invalid exit_signal Eugene Syromiatnikov
2019-09-16 16:37 ` shuah
2019-09-10 12:03 ` Eugene Syromiatnikov [this message]
2019-09-16 16:40 ` [PATCH 3/6] selftests/clone3: use uint64_t for flags parameter shuah
2019-09-10 12:03 ` [PATCH 4/6] selftests/clone3: fix up format strings Eugene Syromiatnikov
2019-09-16 16:41 ` shuah
2019-09-10 12:03 ` [PATCH 5/6] selftests/clone3: enable clone3 self-tests on all architectures Eugene Syromiatnikov
2019-09-16 16:44 ` shuah
2019-09-10 12:03 ` [PATCH 6/6] selftests: add clone3 to TARGETS Eugene Syromiatnikov
2019-09-16 16:48 ` shuah
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