s390: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index d4d0239..e2b2a51 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -75,17 +75,11 @@
compat_sigset_t sa_mask; /* mask last for extensibility */
};
-typedef struct {
- __u32 ss_sp; /* pointer */
- int ss_flags;
- compat_size_t ss_size;
-} stack_t32;
-
/* asm/ucontext.h */
struct ucontext32 {
__u32 uc_flags;
__u32 uc_link; /* pointer */
- stack_t32 uc_stack;
+ compat_stack_t uc_stack;
_sigregs32 uc_mcontext;
compat_sigset_t uc_sigmask; /* mask last for extensibility */
};
@@ -153,5 +147,4 @@
struct old_sigaction32 __user *oact);
long sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
struct sigaction32 __user *oact, size_t sigsetsize);
-long sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss);
#endif /* _ASM_S390X_S390_H */