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-rw-r--r--arch/s390/kernel/compat_wrapper.S28
-rw-r--r--arch/s390/kernel/kprobes.c2
-rw-r--r--arch/s390/kernel/syscalls.S5
3 files changed, 34 insertions, 1 deletions
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 32a69a18a79..acc415457b4 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1682,3 +1682,31 @@ compat_sys_utimes_wrapper:
llgtr %r2,%r2 # char *
llgtr %r3,%r3 # struct compat_timeval *
jg compat_sys_utimes
+
+ .globl compat_sys_utimensat_wrapper
+compat_sys_utimensat_wrapper:
+ llgfr %r2,%r2 # unsigned int
+ llgtr %r3,%r3 # char *
+ llgtr %r4,%r4 # struct compat_timespec *
+ lgfr %r5,%r5 # int
+ jg compat_sys_utimensat
+
+ .globl compat_sys_signalfd_wrapper
+compat_sys_signalfd_wrapper:
+ lgfr %r2,%r2 # int
+ llgtr %r3,%r3 # compat_sigset_t *
+ llgfr %r4,%r4 # compat_size_t
+ jg compat_sys_signalfd
+
+ .globl compat_sys_timerfd_wrapper
+compat_sys_timerfd_wrapper:
+ lgfr %r2,%r2 # int
+ lgfr %r3,%r3 # int
+ lgfr %r4,%r4 # int
+ llgtr %r5,%r5 # struct compat_itimerspec *
+ jg compat_sys_timerfd
+
+ .globl sys_eventfd_wrapper
+sys_eventfd_wrapper:
+ llgfr %r2,%r2 # unsigned int
+ jg sys_eventfd
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index e39333ae0fc..358d2bbbc48 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -413,7 +413,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
break;
}
}
- BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address));
+ kretprobe_assert(ri, orig_ret_address, trampoline_address);
regs->psw.addr = orig_ret_address | PSW_ADDR_AMODE;
reset_current_kprobe();
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index cd8d321cd0c..738feb4a0aa 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -322,3 +322,8 @@ NI_SYSCALL /* 310 sys_move_pages */
SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper)
SYSCALL(sys_epoll_pwait,sys_epoll_pwait,compat_sys_epoll_pwait_wrapper)
SYSCALL(sys_utimes,sys_utimes,compat_sys_utimes_wrapper)
+NI_SYSCALL /* 314 sys_fallocate */
+SYSCALL(sys_utimensat,sys_utimensat,compat_sys_utimensat_wrapper) /* 315 */
+SYSCALL(sys_signalfd,sys_signalfd,compat_sys_signalfd_wrapper)
+SYSCALL(sys_timerfd,sys_timerfd,compat_sys_timerfd_wrapper)
+SYSCALL(sys_eventfd,sys_eventfd,sys_eventfd_wrapper)