parisc: switch to generic compat rt_sigaction()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index 7769f93..33eca1b 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -61,34 +61,6 @@
}
long
-sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, struct sigaction32 __user *oact,
- size_t sigsetsize)
-{
- struct k_sigaction32 new_sa32, old_sa32;
- struct k_sigaction new_sa, old_sa;
- int ret = -EINVAL;
-
- if (act) {
- if (copy_from_user(&new_sa32.sa, act, sizeof new_sa32.sa))
- return -EFAULT;
- new_sa.sa.sa_handler = (__sighandler_t)(unsigned long)new_sa32.sa.sa_handler;
- new_sa.sa.sa_flags = new_sa32.sa.sa_flags;
- sigset_32to64(&new_sa.sa.sa_mask, &new_sa32.sa.sa_mask);
- }
-
- ret = do_sigaction(sig, act ? &new_sa : NULL, oact ? &old_sa : NULL);
-
- if (!ret && oact) {
- sigset_64to32(&old_sa32.sa.sa_mask, &old_sa.sa.sa_mask);
- old_sa32.sa.sa_flags = old_sa.sa.sa_flags;
- old_sa32.sa.sa_handler = (__sighandler_t32)(unsigned long)old_sa.sa.sa_handler;
- if (copy_to_user(oact, &old_sa32.sa, sizeof old_sa32.sa))
- return -EFAULT;
- }
- return ret;
-}
-
-long
restore_sigcontext32(struct compat_sigcontext __user *sc, struct compat_regfile __user * rf,
struct pt_regs *regs)
{
diff --git a/arch/parisc/kernel/signal32.h b/arch/parisc/kernel/signal32.h
index 640dc3e..72ab41a 100644
--- a/arch/parisc/kernel/signal32.h
+++ b/arch/parisc/kernel/signal32.h
@@ -21,17 +21,6 @@
#include <linux/compat.h>
-typedef compat_uptr_t compat_sighandler_t;
-
-/* Most things should be clean enough to redefine this at will, if care
- is taken to make libc match. */
-
-struct compat_sigaction {
- compat_sighandler_t sa_handler;
- compat_uint_t sa_flags;
- compat_sigset_t sa_mask; /* mask last for extensibility */
-};
-
/* 32-bit ucontext as seen from an 64-bit kernel */
struct compat_ucontext {
compat_uint_t uc_flags;
@@ -45,10 +34,6 @@
/* ELF32 signal handling */
-struct k_sigaction32 {
- struct compat_sigaction sa;
-};
-
int copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from);
int copy_siginfo_from_user32 (siginfo_t *to, compat_siginfo_t __user *from);
diff --git a/arch/parisc/kernel/sys32.h b/arch/parisc/kernel/sys32.h
index 06c2090..60dd470 100644
--- a/arch/parisc/kernel/sys32.h
+++ b/arch/parisc/kernel/sys32.h
@@ -33,16 +33,4 @@
set_fs (old_fs); \
}
-#ifdef CONFIG_COMPAT
-
-typedef __u32 __sighandler_t32;
-
-struct sigaction32 {
- __sighandler_t32 sa_handler;
- unsigned int sa_flags;
- compat_sigset_t sa_mask; /* mask last for extensibility */
-};
-
-#endif
-
#endif
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 883171e..dd52c23 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -265,7 +265,7 @@
ENTRY_SAME(prctl)
/* signals need a careful review */
ENTRY_SAME(rt_sigreturn_wrapper)
- ENTRY_DIFF(rt_sigaction)
+ ENTRY_COMP(rt_sigaction)
ENTRY_COMP(rt_sigprocmask) /* 175 */
ENTRY_COMP(rt_sigpending)
ENTRY_COMP(rt_sigtimedwait)