VisionFive2 Linux kernel

diff --git a/fs/aio.c b/fs/aio.c
index aac9659381d2..76f72509f8c5 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -2065,11 +2065,13 @@ static long do_io_getevents(aio_context_t ctx_id,
  *	specifies an infinite timeout. Note that the timeout pointed to by
  *	timeout is relative.  Will fail with -ENOSYS if not implemented.
  */
+#if !defined(CONFIG_64BIT_TIME) || defined(CONFIG_64BIT)
+
 SYSCALL_DEFINE5(io_getevents, aio_context_t, ctx_id,
 		long, min_nr,
 		long, nr,
 		struct io_event __user *, events,
-		struct timespec __user *, timeout)
+		struct __kernel_timespec __user *, timeout)
 {
 	struct timespec64	ts;
 	int			ret;
@@ -2083,6 +2085,8 @@ SYSCALL_DEFINE5(io_getevents, aio_context_t, ctx_id,
 	return ret;
 }
 
+#endif
+
 struct __aio_sigset {
 	const sigset_t __user	*sigmask;
 	size_t		sigsetsize;
@@ -2093,7 +2097,7 @@ SYSCALL_DEFINE6(io_pgetevents,
 		long, min_nr,
 		long, nr,
 		struct io_event __user *, events,
-		struct timespec __user *, timeout,
+		struct __kernel_timespec __user *, timeout,
 		const struct __aio_sigset __user *, usig)
 {
 	struct __aio_sigset	ksig = { NULL, };
@@ -2107,33 +2111,56 @@ SYSCALL_DEFINE6(io_pgetevents,
 	if (usig && copy_from_user(&ksig, usig, sizeof(ksig)))
 		return -EFAULT;
 
-	if (ksig.sigmask) {
-		if (ksig.sigsetsize != sizeof(sigset_t))
-			return -EINVAL;
-		if (copy_from_user(&ksigmask, ksig.sigmask, sizeof(ksigmask)))
-			return -EFAULT;
-		sigdelsetmask(&ksigmask, sigmask(SIGKILL) | sigmask(SIGSTOP));
-		sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
-	}
+	ret = set_user_sigmask(ksig.sigmask, &ksigmask, &sigsaved, ksig.sigsetsize);
+	if (ret)
+		return ret;
 
 	ret = do_io_getevents(ctx_id, min_nr, nr, events, timeout ? &ts : NULL);
-	if (signal_pending(current)) {
-		if (ksig.sigmask) {
-			current->saved_sigmask = sigsaved;
-			set_restore_sigmask();
-		}
+	restore_user_sigmask(ksig.sigmask, &sigsaved);
+	if (signal_pending(current) && !ret)
+		ret = -ERESTARTNOHAND;
 
-		if (!ret)
-			ret = -ERESTARTNOHAND;
-	} else {
-		if (ksig.sigmask)
-			sigprocmask(SIG_SETMASK, &sigsaved, NULL);
-	}
+	return ret;
+}
+
+#if defined(CONFIG_COMPAT_32BIT_TIME) && !defined(CONFIG_64BIT)
+
+SYSCALL_DEFINE6(io_pgetevents_time32,
+		aio_context_t, ctx_id,
+		long, min_nr,
+		long, nr,
+		struct io_event __user *, events,
+		struct old_timespec32 __user *, timeout,
+		const struct __aio_sigset __user *, usig)
+{
+	struct __aio_sigset	ksig = { NULL, };
+	sigset_t		ksigmask, sigsaved;
+	struct timespec64	ts;
+	int ret;
+
+	if (timeout && unlikely(get_old_timespec32(&ts, timeout)))
+		return -EFAULT;
+
+	if (usig && copy_from_user(&ksig, usig, sizeof(ksig)))
+		return -EFAULT;
+
+
+	ret = set_user_sigmask(ksig.sigmask, &ksigmask, &sigsaved, ksig.sigsetsize);
+	if (ret)
+		return ret;
+
+	ret = do_io_getevents(ctx_id, min_nr, nr, events, timeout ? &ts : NULL);
+	restore_user_sigmask(ksig.sigmask, &sigsaved);
+	if (signal_pending(current) && !ret)
+		ret = -ERESTARTNOHAND;
 
 	return ret;
 }
 
-#ifdef CONFIG_COMPAT
+#endif
+
+#if defined(CONFIG_COMPAT_32BIT_TIME)
+
 COMPAT_SYSCALL_DEFINE5(io_getevents, compat_aio_context_t, ctx_id,
 		       compat_long_t, min_nr,
 		       compat_long_t, nr,
@@ -2152,12 +2179,17 @@ COMPAT_SYSCALL_DEFINE5(io_getevents, compat_aio_context_t, ctx_id,
 	return ret;
 }
 
+#endif
+
+#ifdef CONFIG_COMPAT
 
 struct __compat_aio_sigset {
 	compat_sigset_t __user	*sigmask;
 	compat_size_t		sigsetsize;
 };
 
+#if defined(CONFIG_COMPAT_32BIT_TIME)
+
 COMPAT_SYSCALL_DEFINE6(io_pgetevents,
 		compat_aio_context_t, ctx_id,
 		compat_long_t, min_nr,
@@ -2177,27 +2209,47 @@ COMPAT_SYSCALL_DEFINE6(io_pgetevents,
 	if (usig && copy_from_user(&ksig, usig, sizeof(ksig)))
 		return -EFAULT;
 
-	if (ksig.sigmask) {
-		if (ksig.sigsetsize != sizeof(compat_sigset_t))
-			return -EINVAL;
-		if (get_compat_sigset(&ksigmask, ksig.sigmask))
-			return -EFAULT;
-		sigdelsetmask(&ksigmask, sigmask(SIGKILL) | sigmask(SIGSTOP));
-		sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
-	}
+	ret = set_compat_user_sigmask(ksig.sigmask, &ksigmask, &sigsaved, ksig.sigsetsize);
+	if (ret)
+		return ret;
 
 	ret = do_io_getevents(ctx_id, min_nr, nr, events, timeout ? &t : NULL);
-	if (signal_pending(current)) {
-		if (ksig.sigmask) {
-			current->saved_sigmask = sigsaved;
-			set_restore_sigmask();
-		}
-		if (!ret)
-			ret = -ERESTARTNOHAND;
-	} else {
-		if (ksig.sigmask)
-			sigprocmask(SIG_SETMASK, &sigsaved, NULL);
-	}
+	restore_user_sigmask(ksig.sigmask, &sigsaved);
+	if (signal_pending(current) && !ret)
+		ret = -ERESTARTNOHAND;
+
+	return ret;
+}
+
+#endif
+
+COMPAT_SYSCALL_DEFINE6(io_pgetevents_time64,
+		compat_aio_context_t, ctx_id,
+		compat_long_t, min_nr,
+		compat_long_t, nr,
+		struct io_event __user *, events,
+		struct __kernel_timespec __user *, timeout,
+		const struct __compat_aio_sigset __user *, usig)
+{
+	struct __compat_aio_sigset ksig = { NULL, };
+	sigset_t ksigmask, sigsaved;
+	struct timespec64 t;
+	int ret;
+
+	if (timeout && get_timespec64(&t, timeout))
+		return -EFAULT;
+
+	if (usig && copy_from_user(&ksig, usig, sizeof(ksig)))
+		return -EFAULT;
+
+	ret = set_compat_user_sigmask(ksig.sigmask, &ksigmask, &sigsaved, ksig.sigsetsize);
+	if (ret)
+		return ret;
+
+	ret = do_io_getevents(ctx_id, min_nr, nr, events, timeout ? &t : NULL);
+	restore_user_sigmask(ksig.sigmask, &sigsaved);
+	if (signal_pending(current) && !ret)
+		ret = -ERESTARTNOHAND;
 
 	return ret;
 }