linux-kernel - [PATCH v2 2/4] selftests: clone3: remove duplicate defines

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Message-Id: <20231006100743.1631334-2-usama.anjum@collabora.com>
Date:   Fri,  6 Oct 2023 15:07:36 +0500
From:   Muhammad Usama Anjum <usama.anjum@...labora.com>
To:     Christian Brauner <brauner@...nel.org>,
        Shuah Khan <shuah@...nel.org>
Cc:     Muhammad Usama Anjum <usama.anjum@...labora.com>,
        kernel@...labora.com, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: [PATCH v2 2/4] selftests: clone3: remove duplicate defines

Remove duplicate defines which are already included in kernel headers.
MAX_PID_NS_LEVEL macro is used inside kernel only. It isn't exposed to
userspace. So it is never defined in test application. Remove #ifndef in
this case.

Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
Changes since v1:
- Make patch explanation better
---
 .../clone3/clone3_cap_checkpoint_restore.c          |  2 --
 .../testing/selftests/clone3/clone3_clear_sighand.c |  4 ----
 tools/testing/selftests/clone3/clone3_selftests.h   | 13 -------------
 tools/testing/selftests/clone3/clone3_set_tid.c     |  2 --
 4 files changed, 21 deletions(-)

diff --git a/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c b/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
index 52d3f0364bdaa..31b56d6256550 100644
--- a/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
+++ b/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
@@ -27,9 +27,7 @@
 #include "../kselftest_harness.h"
 #include "clone3_selftests.h"
 
-#ifndef MAX_PID_NS_LEVEL
 #define MAX_PID_NS_LEVEL 32
-#endif
 
 static void child_exit(int ret)
 {
diff --git a/tools/testing/selftests/clone3/clone3_clear_sighand.c b/tools/testing/selftests/clone3/clone3_clear_sighand.c
index 47a8c0fc3676b..54a8b2445be99 100644
--- a/tools/testing/selftests/clone3/clone3_clear_sighand.c
+++ b/tools/testing/selftests/clone3/clone3_clear_sighand.c
@@ -16,10 +16,6 @@
 #include "../kselftest.h"
 #include "clone3_selftests.h"
 
-#ifndef CLONE_CLEAR_SIGHAND
-#define CLONE_CLEAR_SIGHAND 0x100000000ULL
-#endif
-
 static void nop_handler(int signo)
 {
 }
diff --git a/tools/testing/selftests/clone3/clone3_selftests.h b/tools/testing/selftests/clone3/clone3_selftests.h
index e81ffaaee02ba..3d2663fe50ba5 100644
--- a/tools/testing/selftests/clone3/clone3_selftests.h
+++ b/tools/testing/selftests/clone3/clone3_selftests.h
@@ -15,10 +15,6 @@
 
 #define ptr_to_u64(ptr) ((__u64)((uintptr_t)(ptr)))
 
-#ifndef CLONE_INTO_CGROUP
-#define CLONE_INTO_CGROUP 0x200000000ULL /* Clone into a specific cgroup given the right permissions. */
-#endif
-
 #ifndef __NR_clone3
 #define __NR_clone3 -1
 #endif
@@ -32,18 +28,9 @@ struct __clone_args {
 	__aligned_u64 stack;
 	__aligned_u64 stack_size;
 	__aligned_u64 tls;
-#ifndef CLONE_ARGS_SIZE_VER0
-#define CLONE_ARGS_SIZE_VER0 64	/* sizeof first published struct */
-#endif
 	__aligned_u64 set_tid;
 	__aligned_u64 set_tid_size;
-#ifndef CLONE_ARGS_SIZE_VER1
-#define CLONE_ARGS_SIZE_VER1 80	/* sizeof second published struct */
-#endif
 	__aligned_u64 cgroup;
-#ifndef CLONE_ARGS_SIZE_VER2
-#define CLONE_ARGS_SIZE_VER2 88	/* sizeof third published struct */
-#endif
 };
 
 static pid_t sys_clone3(struct __clone_args *args, size_t size)
diff --git a/tools/testing/selftests/clone3/clone3_set_tid.c b/tools/testing/selftests/clone3/clone3_set_tid.c
index 0229e9ebb995e..ed785afb60770 100644
--- a/tools/testing/selftests/clone3/clone3_set_tid.c
+++ b/tools/testing/selftests/clone3/clone3_set_tid.c
@@ -23,9 +23,7 @@
 #include "../kselftest.h"
 #include "clone3_selftests.h"
 
-#ifndef MAX_PID_NS_LEVEL
 #define MAX_PID_NS_LEVEL 32
-#endif
 
 static int pipe_1[2];
 static int pipe_2[2];
-- 
2.40.1