[LTP] [PATCH v2] Add case about arch_prctl syscall.

[lufei]

Add testcase about arch_prctl syscall.

Signed-off-by: Lu Fei <lufei@uniontech.com>
---
 configure.ac                                  |  1 +
 .../kernel/syscalls/arch_prctl/.gitignore     |  1 +
 testcases/kernel/syscalls/arch_prctl/Makefile |  8 +++
 .../kernel/syscalls/arch_prctl/arch_prctl01.c | 56 +++++++++++++++++++
 4 files changed, 66 insertions(+)
 create mode 100644 testcases/kernel/syscalls/arch_prctl/.gitignore
 create mode 100644 testcases/kernel/syscalls/arch_prctl/Makefile
 create mode 100644 testcases/kernel/syscalls/arch_prctl/arch_prctl01.c

diff --git a/configure.ac b/configure.ac
index 1d7e862d8..0dcaddc0f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -41,6 +41,7 @@ AC_CHECK_DECLS([SEM_STAT_ANY],,,[#include <sys/sem.h>])
 
 AC_CHECK_HEADERS_ONCE([ \
     asm/ldt.h \
+    asm/prctl.h \
     cpuid.h \
     emmintrin.h \
     ifaddrs.h \
diff --git a/testcases/kernel/syscalls/arch_prctl/.gitignore b/testcases/kernel/syscalls/arch_prctl/.gitignore
new file mode 100644
index 000000000..24871e249
--- /dev/null
+++ b/testcases/kernel/syscalls/arch_prctl/.gitignore
@@ -0,0 +1 @@
+/arch_prctl01
diff --git a/testcases/kernel/syscalls/arch_prctl/Makefile b/testcases/kernel/syscalls/arch_prctl/Makefile
new file mode 100644
index 000000000..272949d57
--- /dev/null
+++ b/testcases/kernel/syscalls/arch_prctl/Makefile
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) UnionTech Software Technology Co.,Ltd. 2024
+
+top_srcdir		?= ../../../..
+
+include $(top_srcdir)/include/mk/testcases.mk
+
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/syscalls/arch_prctl/arch_prctl01.c b/testcases/kernel/syscalls/arch_prctl/arch_prctl01.c
new file mode 100644
index 000000000..06b3d99b8
--- /dev/null
+++ b/testcases/kernel/syscalls/arch_prctl/arch_prctl01.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* 
+ * Copyright (c) UnionTech Software Technology Co.,Ltd., 2024
+ * Author: Lu Fei <lufei@uniontech.com>
+ */
+
+/* 
+ * [Description]
+ *
+ * Simple test on arch_prctl to set and get cpuid instruction of test thread.
+ */
+
+# include "tst_test.h"
+# include "lapi/syscalls.h"
+# include <stdlib.h>
+# ifdef HAVE_ASM_PRCTL_H
+# include <asm/prctl.h>
+
+static int arch_prctl_get(int code, unsigned long *addr) {
+	return tst_syscall(__NR_arch_prctl, code, *addr);
+}
+
+static int arch_prctl_set(int code, unsigned long addr) {
+	return tst_syscall(__NR_arch_prctl, code, addr);
+}
+
+static int tc[] = {0,1};
+
+static void run(unsigned int index){
+
+	unsigned long *addr = malloc(sizeof(long));
+
+	TEST(arch_prctl_set(ARCH_SET_CPUID, tc[index]));
+
+	if (TST_RET == 0)
+		tst_res(TPASS, "set %s cpuid",tc[index] ? "enable" : "disable");
+	else
+		tst_res(TFAIL, "failed to set cpuid");
+
+	TEST(arch_prctl_get(ARCH_GET_CPUID, addr));
+
+	if (TST_RET == tc[index])
+		tst_res(TPASS, "get cpuid succeed.");
+	else
+		tst_res(TFAIL, "get cpuid failed.");
+}
+
+static struct tst_test test = {
+    .test = run,
+    .tcnt = 2,
+    .min_kver = "4.11",
+};
+
+#else /* HAVE_ASM_PRCTL_H */
+TST_TEST_TCONF("missing <asm/prctl.h>");
+#endif
-- 
2.39.3