[S390] wire up sys_recvmmsg

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/asm/unistd.h b/arch/s390/include/asm/unistd.h
index cb5232d..192a720 100644 (file)
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -269,7 +269,8 @@
 #define        __NR_pwritev            329
 #define __NR_rt_tgsigqueueinfo 330
 #define __NR_perf_event_open   331
-#define NR_syscalls 332
+#define __NR_recvmmsg          332
+#define NR_syscalls 333
 
 /* 
  * There are some system calls that are not present on 64 bit, some

diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 30de2d0..faeaccc 100644 (file)
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1853,3 +1853,12 @@ sys32_execve_wrapper:
        llgtr   %r3,%r3                 # compat_uptr_t *
        llgtr   %r4,%r4                 # compat_uptr_t *
        jg      sys32_execve            # branch to system call
+
+       .globl  compat_sys_recvmmsg_wrapper
+compat_sys_recvmmsg_wrapper:
+       lgfr    %r2,%r2                 # int
+       llgtr   %r3,%r3                 # struct compat_mmsghdr *
+       llgfr   %r4,%r4                 # unsigned int
+       llgfr   %r5,%r5                 # unsigned int
+       llgtr   %r6,%r6                 # struct compat_timespec *
+       jg      compat_sys_recvmmsg

diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 30eca07..4f292c9 100644 (file)
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -340,3 +340,4 @@ SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper)
 SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper)
 SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo_wrapper) /* 330 */
 SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
+SYSCALL(sys_recvmmsg,sys_recvmmsg,compat_sys_recvmmsg_wrapper)