kernel: Copy patches from kernel 4.14 to 4.19

This just copies the files from the kernel 4.14 specific folders into
the kernel 4.19 specific folder, no changes are done to the files in
this commit.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 136 insertions, 0 deletions

diff --git a/target/linux/generic/hack-4.19/901-debloat_sock_diag.patch b/target/linux/generic/hack-4.19/901-debloat_sock_diag.patch
new file mode 100644
index 0000000000..d250843a6a
--- /dev/null
+++ b/target/linux/generic/hack-4.19/901-debloat_sock_diag.patch
@@ -0,0 +1,136 @@
+From 3b6115d6b57a263bdc8c9b1df273bd4a7955eead Mon Sep 17 00:00:00 2001
+From: Felix Fietkau <nbd@nbd.name>
+Date: Sat, 8 Jul 2017 08:16:31 +0200
+Subject: debloat: add some debloat patches, strip down procfs and make O_DIRECT support optional, saves ~15K after lzma on MIPS
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+ net/Kconfig         | 3 +++
+ net/core/Makefile   | 3 ++-
+ net/core/sock.c     | 2 ++
+ net/ipv4/Kconfig    | 1 +
+ net/netlink/Kconfig | 1 +
+ net/packet/Kconfig  | 1 +
+ net/unix/Kconfig    | 1 +
+ 7 files changed, 11 insertions(+), 1 deletion(-)
+
+--- a/net/Kconfig
++++ b/net/Kconfig
+@@ -97,6 +97,9 @@ source "net/netlabel/Kconfig"
+ 
+ endif # if INET
+ 
++config SOCK_DIAG
++	bool
++
+ config NETWORK_SECMARK
+ 	bool "Security Marking"
+ 	help
+--- a/net/core/Makefile
++++ b/net/core/Makefile
+@@ -10,9 +10,10 @@ obj-$(CONFIG_SYSCTL) += sysctl_net_core.
+ 
+ obj-y		     += dev.o ethtool.o dev_addr_lists.o dst.o netevent.o \
+ 			neighbour.o rtnetlink.o utils.o link_watch.o filter.o \
+-			sock_diag.o dev_ioctl.o tso.o sock_reuseport.o \
++ 			dev_ioctl.o tso.o sock_reuseport.o \
+ 			fib_notifier.o
+ 
++obj-$(CONFIG_SOCK_DIAG) += sock_diag.o 
+ obj-y += net-sysfs.o
+ obj-$(CONFIG_PROC_FS) += net-procfs.o
+ obj-$(CONFIG_NET_PKTGEN) += pktgen.o
+--- a/net/core/sock.c
++++ b/net/core/sock.c
+@@ -528,6 +528,18 @@ discard_and_relse:
+ }
+ EXPORT_SYMBOL(__sk_receive_skb);
+ 
++u64 sock_gen_cookie(struct sock *sk)
++{
++	while (1) {
++		u64 res = atomic64_read(&sk->sk_cookie);
++
++		if (res)
++			return res;
++		res = atomic64_inc_return(&sock_net(sk)->cookie_gen);
++		atomic64_cmpxchg(&sk->sk_cookie, 0, res);
++	}
++}
++
+ struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie)
+ {
+ 	struct dst_entry *dst = __sk_dst_get(sk);
+@@ -1595,9 +1607,11 @@ void sk_destruct(struct sock *sk)
+ 
+ static void __sk_free(struct sock *sk)
+ {
++#ifdef CONFIG_SOCK_DIAG
+ 	if (unlikely(sk->sk_net_refcnt && sock_diag_has_destroy_listeners(sk)))
+ 		sock_diag_broadcast_destroy(sk);
+ 	else
++#endif
+ 		sk_destruct(sk);
+ }
+ 
+--- a/net/core/sock_diag.c
++++ b/net/core/sock_diag.c
+@@ -19,18 +19,6 @@ static int (*inet_rcv_compat)(struct sk_
+ static DEFINE_MUTEX(sock_diag_table_mutex);
+ static struct workqueue_struct *broadcast_wq;
+ 
+-u64 sock_gen_cookie(struct sock *sk)
+-{
+-	while (1) {
+-		u64 res = atomic64_read(&sk->sk_cookie);
+-
+-		if (res)
+-			return res;
+-		res = atomic64_inc_return(&sock_net(sk)->cookie_gen);
+-		atomic64_cmpxchg(&sk->sk_cookie, 0, res);
+-	}
+-}
+-
+ int sock_diag_check_cookie(struct sock *sk, const __u32 *cookie)
+ {
+ 	u64 res;
+--- a/net/ipv4/Kconfig
++++ b/net/ipv4/Kconfig
+@@ -420,6 +420,7 @@ config INET_XFRM_MODE_BEET
+ 
+ config INET_DIAG
+ 	tristate "INET: socket monitoring interface"
++	select SOCK_DIAG
+ 	default y
+ 	---help---
+ 	  Support for INET (TCP, DCCP, etc) socket monitoring interface used by
+--- a/net/netlink/Kconfig
++++ b/net/netlink/Kconfig
+@@ -4,6 +4,7 @@
+ 
+ config NETLINK_DIAG
+ 	tristate "NETLINK: socket monitoring interface"
++	select SOCK_DIAG
+ 	default n
+ 	---help---
+ 	  Support for NETLINK socket monitoring interface used by the ss tool.
+--- a/net/packet/Kconfig
++++ b/net/packet/Kconfig
+@@ -18,6 +18,7 @@ config PACKET
+ config PACKET_DIAG
+ 	tristate "Packet: sockets monitoring interface"
+ 	depends on PACKET
++	select SOCK_DIAG
+ 	default n
+ 	---help---
+ 	  Support for PF_PACKET sockets monitoring interface used by the ss tool.
+--- a/net/unix/Kconfig
++++ b/net/unix/Kconfig
+@@ -22,6 +22,7 @@ config UNIX
+ config UNIX_DIAG
+ 	tristate "UNIX: socket monitoring interface"
+ 	depends on UNIX
++	select SOCK_DIAG
+ 	default n
+ 	---help---
+ 	  Support for UNIX socket monitoring interface used by the ss tool.