s390: wire up memfd_create syscall

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
index 9f5b88b..940ac49 100644 (file)
--- a/arch/s390/include/uapi/asm/unistd.h
+++ b/arch/s390/include/uapi/asm/unistd.h
@@ -285,7 +285,8 @@
 #define __NR_renameat2         347
 #define __NR_seccomp           348
 #define __NR_getrandom         349
-#define NR_syscalls 350
+#define __NR_memfd_create      350
+#define NR_syscalls 351
 
 /* 
  * There are some system calls that are not present on 64 bit, some

diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c
index 18b4224..faf6caa 100644 (file)
--- a/arch/s390/kernel/compat_wrapper.c
+++ b/arch/s390/kernel/compat_wrapper.c
@@ -216,3 +216,4 @@ COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user *, attr
 COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname, unsigned int, flags);
 COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, const char __user *, uargs)
 COMPAT_SYSCALL_WRAP3(getrandom, char __user *, buf, size_t, count, unsigned int, flags)
+COMPAT_SYSCALL_WRAP2(memfd_create, const char __user *, uname, unsigned int, flags)

diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index e193b9e..6fe886a 100644 (file)
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -358,3 +358,4 @@ SYSCALL(sys_sched_getattr,sys_sched_getattr,compat_sys_sched_getattr)
 SYSCALL(sys_renameat2,sys_renameat2,compat_sys_renameat2)
 SYSCALL(sys_seccomp,sys_seccomp,compat_sys_seccomp)
 SYSCALL(sys_getrandom,sys_getrandom,compat_sys_getrandom)
+SYSCALL(sys_memfd_create,sys_memfd_create,compat_sys_memfd_create) /* 350 */