Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 17 insertions, 25 deletions

diff --git a/net/socket.c b/net/socket.c
index 5325d4c797c..851edcd6b09 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -181,7 +181,7 @@ static DEFINE_PER_CPU(int, sockets_in_use);
  *	invalid addresses -EFAULT is returned. On a success 0 is returned.
  */
 
-int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr)
+int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *kaddr)
 {
 	if (ulen < 0 || ulen > sizeof(struct sockaddr_storage))
 		return -EINVAL;
@@ -209,7 +209,7 @@ int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr)
  *	specified. Zero is returned for a success.
  */
 
-static int move_addr_to_user(struct sockaddr *kaddr, int klen,
+static int move_addr_to_user(struct sockaddr_storage *kaddr, int klen,
 			     void __user *uaddr, int __user *ulen)
 {
 	int err;
@@ -811,9 +811,9 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
 
 	sock = file->private_data;
 
-	flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT;
-	if (more)
-		flags |= MSG_MORE;
+	flags = (file->f_flags & O_NONBLOCK) ? MSG_DONTWAIT : 0;
+	/* more is a combination of MSG_MORE and MSG_SENDPAGE_NOTLAST */
+	flags |= more;
 
 	return kernel_sendpage(sock, page, offset, size, flags);
 }
@@ -1449,7 +1449,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
 
 	sock = sockfd_lookup_light(fd, &err, &fput_needed);
 	if (sock) {
-		err = move_addr_to_kernel(umyaddr, addrlen, (struct sockaddr *)&address);
+		err = move_addr_to_kernel(umyaddr, addrlen, &address);
 		if (err >= 0) {
 			err = security_socket_bind(sock,
 						   (struct sockaddr *)&address,
@@ -1556,7 +1556,7 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
 			err = -ECONNABORTED;
 			goto out_fd;
 		}
-		err = move_addr_to_user((struct sockaddr *)&address,
+		err = move_addr_to_user(&address,
 					len, upeer_sockaddr, upeer_addrlen);
 		if (err < 0)
 			goto out_fd;
@@ -1605,7 +1605,7 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
 	sock = sockfd_lookup_light(fd, &err, &fput_needed);
 	if (!sock)
 		goto out;
-	err = move_addr_to_kernel(uservaddr, addrlen, (struct sockaddr *)&address);
+	err = move_addr_to_kernel(uservaddr, addrlen, &address);
 	if (err < 0)
 		goto out_put;
 
@@ -1645,7 +1645,7 @@ SYSCALL_DEFINE3(getsockname, int, fd, struct sockaddr __user *, usockaddr,
 	err = sock->ops->getname(sock, (struct sockaddr *)&address, &len, 0);
 	if (err)
 		goto out_put;
-	err = move_addr_to_user((struct sockaddr *)&address, len, usockaddr, usockaddr_len);
+	err = move_addr_to_user(&address, len, usockaddr, usockaddr_len);
 
 out_put:
 	fput_light(sock->file, fput_needed);
@@ -1677,7 +1677,7 @@ SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr,
 		    sock->ops->getname(sock, (struct sockaddr *)&address, &len,
 				       1);
 		if (!err)
-			err = move_addr_to_user((struct sockaddr *)&address, len, usockaddr,
+			err = move_addr_to_user(&address, len, usockaddr,
 						usockaddr_len);
 		fput_light(sock->file, fput_needed);
 	}
@@ -1716,7 +1716,7 @@ SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
 	msg.msg_controllen = 0;
 	msg.msg_namelen = 0;
 	if (addr) {
-		err = move_addr_to_kernel(addr, addr_len, (struct sockaddr *)&address);
+		err = move_addr_to_kernel(addr, addr_len, &address);
 		if (err < 0)
 			goto out_put;
 		msg.msg_name = (struct sockaddr *)&address;
@@ -1779,7 +1779,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
 	err = sock_recvmsg(sock, &msg, size, flags);
 
 	if (err >= 0 && addr != NULL) {
-		err2 = move_addr_to_user((struct sockaddr *)&address,
+		err2 = move_addr_to_user(&address,
 					 msg.msg_namelen, addr, addr_len);
 		if (err2 < 0)
 			err = err2;
@@ -1933,13 +1933,9 @@ static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
 
 	/* This will also move the address data into kernel space */
 	if (MSG_CMSG_COMPAT & flags) {
-		err = verify_compat_iovec(msg_sys, iov,
-					  (struct sockaddr *)&address,
-					  VERIFY_READ);
+		err = verify_compat_iovec(msg_sys, iov, &address, VERIFY_READ);
 	} else
-		err = verify_iovec(msg_sys, iov,
-				   (struct sockaddr *)&address,
-				   VERIFY_READ);
+		err = verify_iovec(msg_sys, iov, &address, VERIFY_READ);
 	if (err < 0)
 		goto out_freeiov;
 	total_len = err;
@@ -2143,13 +2139,9 @@ static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
 	uaddr = (__force void __user *)msg_sys->msg_name;
 	uaddr_len = COMPAT_NAMELEN(msg);
 	if (MSG_CMSG_COMPAT & flags) {
-		err = verify_compat_iovec(msg_sys, iov,
-					  (struct sockaddr *)&addr,
-					  VERIFY_WRITE);
+		err = verify_compat_iovec(msg_sys, iov, &addr, VERIFY_WRITE);
 	} else
-		err = verify_iovec(msg_sys, iov,
-				   (struct sockaddr *)&addr,
-				   VERIFY_WRITE);
+		err = verify_iovec(msg_sys, iov, &addr, VERIFY_WRITE);
 	if (err < 0)
 		goto out_freeiov;
 	total_len = err;
@@ -2166,7 +2158,7 @@ static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
 	len = err;
 
 	if (uaddr != NULL) {
-		err = move_addr_to_user((struct sockaddr *)&addr,
+		err = move_addr_to_user(&addr,
 					msg_sys->msg_namelen, uaddr,
 					uaddr_len);
 		if (err < 0)