linux-kernel - [tip:timers/core] time: Move compat

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Date:   Tue, 13 Jun 2017 15:11:53 -0700
From:   tip-bot for Al Viro <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, john.stultz@...aro.org, peterz@...radead.org,
        tglx@...utronix.de, mingo@...nel.org, linux-kernel@...r.kernel.org,
        viro@...iv.linux.org.uk
Subject: [tip:timers/core] time: Move compat_time()/stime() to native

Commit-ID:  b180db2c8ca6692a10b79631cadc18d03303d494
Gitweb:     http://git.kernel.org/tip/b180db2c8ca6692a10b79631cadc18d03303d494
Author:     Al Viro <viro@...iv.linux.org.uk>
AuthorDate: Wed, 7 Jun 2017 09:42:40 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 14 Jun 2017 00:00:45 +0200

time: Move compat_time()/stime() to native

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: John Stultz <john.stultz@...aro.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20170607084241.28657-15-viro@ZenIV.linux.org.uk

---
 kernel/compat.c    | 40 ----------------------------------------
 kernel/time/time.c | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 40 deletions(-)

diff --git a/kernel/compat.c b/kernel/compat.c
index 4544eb6..aa7b9a2 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -739,46 +739,6 @@ COMPAT_SYSCALL_DEFINE4(rt_sigtimedwait, compat_sigset_t __user *, uthese,
 	return ret;
 }
 
-#ifdef __ARCH_WANT_COMPAT_SYS_TIME
-
-/* compat_time_t is a 32 bit "long" and needs to get converted. */
-
-COMPAT_SYSCALL_DEFINE1(time, compat_time_t __user *, tloc)
-{
-	compat_time_t i;
-	struct timeval tv;
-
-	do_gettimeofday(&tv);
-	i = tv.tv_sec;
-
-	if (tloc) {
-		if (put_user(i,tloc))
-			return -EFAULT;
-	}
-	force_successful_syscall_return();
-	return i;
-}
-
-COMPAT_SYSCALL_DEFINE1(stime, compat_time_t __user *, tptr)
-{
-	struct timespec tv;
-	int err;
-
-	if (get_user(tv.tv_sec, tptr))
-		return -EFAULT;
-
-	tv.tv_nsec = 0;
-
-	err = security_settime(&tv, NULL);
-	if (err)
-		return err;
-
-	do_settimeofday(&tv);
-	return 0;
-}
-
-#endif /* __ARCH_WANT_COMPAT_SYS_TIME */
-
 #ifdef CONFIG_NUMA
 COMPAT_SYSCALL_DEFINE6(move_pages, pid_t, pid, compat_ulong_t, nr_pages,
 		       compat_uptr_t __user *, pages32,
diff --git a/kernel/time/time.c b/kernel/time/time.c
index 400662f..e5d4499 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -100,6 +100,47 @@ SYSCALL_DEFINE1(stime, time_t __user *, tptr)
 
 #endif /* __ARCH_WANT_SYS_TIME */
 
+#ifdef CONFIG_COMPAT
+#ifdef __ARCH_WANT_COMPAT_SYS_TIME
+
+/* compat_time_t is a 32 bit "long" and needs to get converted. */
+COMPAT_SYSCALL_DEFINE1(time, compat_time_t __user *, tloc)
+{
+	struct timeval tv;
+	compat_time_t i;
+
+	do_gettimeofday(&tv);
+	i = tv.tv_sec;
+
+	if (tloc) {
+		if (put_user(i,tloc))
+			return -EFAULT;
+	}
+	force_successful_syscall_return();
+	return i;
+}
+
+COMPAT_SYSCALL_DEFINE1(stime, compat_time_t __user *, tptr)
+{
+	struct timespec tv;
+	int err;
+
+	if (get_user(tv.tv_sec, tptr))
+		return -EFAULT;
+
+	tv.tv_nsec = 0;
+
+	err = security_settime(&tv, NULL);
+	if (err)
+		return err;
+
+	do_settimeofday(&tv);
+	return 0;
+}
+
+#endif /* __ARCH_WANT_COMPAT_SYS_TIME */
+#endif
+
 SYSCALL_DEFINE2(gettimeofday, struct timeval __user *, tv,
 		struct timezone __user *, tz)
 {