Merge branch 'x86/urgent' into x86/asm

Get the cr4 fixes so we can apply the final cleanup

8 files changed, 128 insertions, 26 deletions

diff --git a/include/linux/cec-funcs.h b/include/linux/cec-funcs.h
index 82c3d3b7269d..138bbf721e70 100644
--- a/include/linux/cec-funcs.h
+++ b/include/linux/cec-funcs.h
@@ -162,10 +162,11 @@ static inline void cec_msg_standby(struct cec_msg *msg)
 
 
 /* One Touch Record Feature */
-static inline void cec_msg_record_off(struct cec_msg *msg)
+static inline void cec_msg_record_off(struct cec_msg *msg, bool reply)
 {
 	msg->len = 2;
 	msg->msg[1] = CEC_MSG_RECORD_OFF;
+	msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
 }
 
 struct cec_op_arib_data {
@@ -227,7 +228,7 @@ static inline void cec_set_digital_service_id(__u8 *msg,
 	if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
 		*msg++ = (digital->channel.channel_number_fmt << 2) |
 			 (digital->channel.major >> 8);
-		*msg++ = digital->channel.major && 0xff;
+		*msg++ = digital->channel.major & 0xff;
 		*msg++ = digital->channel.minor >> 8;
 		*msg++ = digital->channel.minor & 0xff;
 		*msg++ = 0;
@@ -323,6 +324,7 @@ static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg,
 }
 
 static inline void cec_msg_record_on(struct cec_msg *msg,
+				     bool reply,
 				     const struct cec_op_record_src *rec_src)
 {
 	switch (rec_src->type) {
@@ -346,6 +348,7 @@ static inline void cec_msg_record_on(struct cec_msg *msg,
 					    rec_src->ext_phys_addr.phys_addr);
 		break;
 	}
+	msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
 }
 
 static inline void cec_ops_record_on(const struct cec_msg *msg,
@@ -1141,6 +1144,75 @@ static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg,
 	msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0;
 }
 
+static inline void cec_msg_vendor_command(struct cec_msg *msg,
+					  __u8 size, const __u8 *vendor_cmd)
+{
+	if (size > 14)
+		size = 14;
+	msg->len = 2 + size;
+	msg->msg[1] = CEC_MSG_VENDOR_COMMAND;
+	memcpy(msg->msg + 2, vendor_cmd, size);
+}
+
+static inline void cec_ops_vendor_command(const struct cec_msg *msg,
+					  __u8 *size,
+					  const __u8 **vendor_cmd)
+{
+	*size = msg->len - 2;
+
+	if (*size > 14)
+		*size = 14;
+	*vendor_cmd = msg->msg + 2;
+}
+
+static inline void cec_msg_vendor_command_with_id(struct cec_msg *msg,
+						  __u32 vendor_id, __u8 size,
+						  const __u8 *vendor_cmd)
+{
+	if (size > 11)
+		size = 11;
+	msg->len = 5 + size;
+	msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID;
+	msg->msg[2] = vendor_id >> 16;
+	msg->msg[3] = (vendor_id >> 8) & 0xff;
+	msg->msg[4] = vendor_id & 0xff;
+	memcpy(msg->msg + 5, vendor_cmd, size);
+}
+
+static inline void cec_ops_vendor_command_with_id(const struct cec_msg *msg,
+						  __u32 *vendor_id,  __u8 *size,
+						  const __u8 **vendor_cmd)
+{
+	*size = msg->len - 5;
+
+	if (*size > 11)
+		*size = 11;
+	*vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4];
+	*vendor_cmd = msg->msg + 5;
+}
+
+static inline void cec_msg_vendor_remote_button_down(struct cec_msg *msg,
+						     __u8 size,
+						     const __u8 *rc_code)
+{
+	if (size > 14)
+		size = 14;
+	msg->len = 2 + size;
+	msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN;
+	memcpy(msg->msg + 2, rc_code, size);
+}
+
+static inline void cec_ops_vendor_remote_button_down(const struct cec_msg *msg,
+						     __u8 *size,
+						     const __u8 **rc_code)
+{
+	*size = msg->len - 2;
+
+	if (*size > 14)
+		*size = 14;
+	*rc_code = msg->msg + 2;
+}
+
 static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg)
 {
 	msg->len = 2;
@@ -1277,7 +1349,7 @@ static inline void cec_msg_user_control_pressed(struct cec_msg *msg,
 		msg->len += 4;
 		msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) |
 			      (ui_cmd->channel_identifier.major >> 8);
-		msg->msg[4] = ui_cmd->channel_identifier.major && 0xff;
+		msg->msg[4] = ui_cmd->channel_identifier.major & 0xff;
 		msg->msg[5] = ui_cmd->channel_identifier.minor >> 8;
 		msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff;
 		break;
diff --git a/include/linux/cec.h b/include/linux/cec.h
index b3e22893a002..851968e803fa 100644
--- a/include/linux/cec.h
+++ b/include/linux/cec.h
@@ -364,7 +364,7 @@ struct cec_caps {
  * @num_log_addrs: how many logical addresses should be claimed. Set by the
  *	caller.
  * @vendor_id: the vendor ID of the device. Set by the caller.
- * @flags: set to 0.
+ * @flags: flags.
  * @osd_name: the OSD name of the device. Set by the caller.
  * @primary_device_type: the primary device type for each logical address.
  *	Set by the caller.
@@ -389,6 +389,9 @@ struct cec_log_addrs {
 	__u8 features[CEC_MAX_LOG_ADDRS][12];
 };
 
+/* Allow a fallback to unregistered */
+#define CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK	(1 << 0)
+
 /* Events */
 
 /* Event that occurs when the adapter state changes */
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index 66a1260b33de..01e84436cddf 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -571,56 +571,57 @@ static inline int fault_in_pages_readable(const char __user *uaddr, int size)
  */
 static inline int fault_in_multipages_writeable(char __user *uaddr, int size)
 {
-	int ret = 0;
 	char __user *end = uaddr + size - 1;
 
 	if (unlikely(size == 0))
-		return ret;
+		return 0;
 
+	if (unlikely(uaddr > end))
+		return -EFAULT;
 	/*
 	 * Writing zeroes into userspace here is OK, because we know that if
 	 * the zero gets there, we'll be overwriting it.
 	 */
-	while (uaddr <= end) {
-		ret = __put_user(0, uaddr);
-		if (ret != 0)
-			return ret;
+	do {
+		if (unlikely(__put_user(0, uaddr) != 0))
+			return -EFAULT;
 		uaddr += PAGE_SIZE;
-	}
+	} while (uaddr <= end);
 
 	/* Check whether the range spilled into the next page. */
 	if (((unsigned long)uaddr & PAGE_MASK) ==
 			((unsigned long)end & PAGE_MASK))
-		ret = __put_user(0, end);
+		return __put_user(0, end);
 
-	return ret;
+	return 0;
 }
 
 static inline int fault_in_multipages_readable(const char __user *uaddr,
 					       int size)
 {
 	volatile char c;
-	int ret = 0;
 	const char __user *end = uaddr + size - 1;
 
 	if (unlikely(size == 0))
-		return ret;
+		return 0;
 
-	while (uaddr <= end) {
-		ret = __get_user(c, uaddr);
-		if (ret != 0)
-			return ret;
+	if (unlikely(uaddr > end))
+		return -EFAULT;
+
+	do {
+		if (unlikely(__get_user(c, uaddr) != 0))
+			return -EFAULT;
 		uaddr += PAGE_SIZE;
-	}
+	} while (uaddr <= end);
 
 	/* Check whether the range spilled into the next page. */
 	if (((unsigned long)uaddr & PAGE_MASK) ==
 			((unsigned long)end & PAGE_MASK)) {
-		ret = __get_user(c, end);
-		(void)c;
+		return __get_user(c, end);
 	}
 
-	return ret;
+	(void)c;
+	return 0;
 }
 
 int add_to_page_cache_locked(struct page *page, struct address_space *mapping,
diff --git a/include/media/cec.h b/include/media/cec.h
index dc7854b855f3..fdb5d600e4bb 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -57,8 +57,8 @@ struct cec_devnode {
 	int minor;
 	bool registered;
 	bool unregistered;
-	struct mutex fhs_lock;
 	struct list_head fhs;
+	struct mutex lock;
 };
 
 struct cec_adapter;
diff --git a/include/net/netfilter/nf_conntrack_synproxy.h b/include/net/netfilter/nf_conntrack_synproxy.h
index 6793614e6502..e6937318546c 100644
--- a/include/net/netfilter/nf_conntrack_synproxy.h
+++ b/include/net/netfilter/nf_conntrack_synproxy.h
@@ -27,6 +27,20 @@ static inline struct nf_conn_synproxy *nfct_synproxy_ext_add(struct nf_conn *ct)
 #endif
 }
 
+static inline bool nf_ct_add_synproxy(struct nf_conn *ct,
+				      const struct nf_conn *tmpl)
+{
+	if (tmpl && nfct_synproxy(tmpl)) {
+		if (!nfct_seqadj_ext_add(ct))
+			return false;
+
+		if (!nfct_synproxy_ext_add(ct))
+			return false;
+	}
+
+	return true;
+}
+
 struct synproxy_stats {
 	unsigned int			syn_received;
 	unsigned int			cookie_invalid;
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index efc01743b9d6..bafe2a0ab908 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -382,7 +382,7 @@ enum {
 	ADDIP_SERIAL_SIGN_BIT = (1<<31)
 };
 
-static inline int ADDIP_SERIAL_gte(__u16 s, __u16 t)
+static inline int ADDIP_SERIAL_gte(__u32 s, __u32 t)
 {
 	return ((s) == (t)) || (((t) - (s)) & ADDIP_SERIAL_SIGN_BIT);
 }
diff --git a/include/net/sock.h b/include/net/sock.h
index ff5be7e8ddea..8741988e6880 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1332,6 +1332,16 @@ static inline void sk_mem_uncharge(struct sock *sk, int size)
 	if (!sk_has_account(sk))
 		return;
 	sk->sk_forward_alloc += size;
+
+	/* Avoid a possible overflow.
+	 * TCP send queues can make this happen, if sk_mem_reclaim()
+	 * is not called and more than 2 GBytes are released at once.
+	 *
+	 * If we reach 2 MBytes, reclaim 1 MBytes right now, there is
+	 * no need to hold that much forward allocation anyway.
+	 */
+	if (unlikely(sk->sk_forward_alloc >= 1 << 21))
+		__sk_mem_reclaim(sk, 1 << 20);
 }
 
 static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index adfebd6f243c..17934312eecb 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1540,8 +1540,10 @@ int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);
 void xfrm4_local_error(struct sk_buff *skb, u32 mtu);
 int xfrm6_extract_header(struct sk_buff *skb);
 int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb);
-int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi);
+int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi,
+		  struct ip6_tnl *t);
 int xfrm6_transport_finish(struct sk_buff *skb, int async);
+int xfrm6_rcv_tnl(struct sk_buff *skb, struct ip6_tnl *t);
 int xfrm6_rcv(struct sk_buff *skb);
 int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
 		     xfrm_address_t *saddr, u8 proto);