From 74d00a8c3849c1340efd713eb94b786e304c201f Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 25 Dec 2016 20:11:34 +0100 Subject: kernel: split patches folder up into backport, pending and hack folders * properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin --- .../generic/hack-4.9/901-debloat_sock_diag.patch | 112 +++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 target/linux/generic/hack-4.9/901-debloat_sock_diag.patch (limited to 'target/linux/generic/hack-4.9/901-debloat_sock_diag.patch') diff --git a/target/linux/generic/hack-4.9/901-debloat_sock_diag.patch b/target/linux/generic/hack-4.9/901-debloat_sock_diag.patch new file mode 100644 index 0000000000..d46e2ca1e7 --- /dev/null +++ b/target/linux/generic/hack-4.9/901-debloat_sock_diag.patch @@ -0,0 +1,112 @@ +From 3b6115d6b57a263bdc8c9b1df273bd4a7955eead Mon Sep 17 00:00:00 2001 +From: Felix Fietkau +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 +--- + 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(-) + +diff --git a/net/Kconfig b/net/Kconfig +index 38a0c857eb52..b4621e1f3470 100644 +--- a/net/Kconfig ++++ b/net/Kconfig +@@ -95,6 +95,9 @@ source "net/netlabel/Kconfig" + + endif # if INET + ++config SOCK_DIAG ++ bool ++ + config NETWORK_SECMARK + bool "Security Marking" + help +diff --git a/net/core/Makefile b/net/core/Makefile +index d6508c2ddca5..bee4adde14d8 100644 +--- a/net/core/Makefile ++++ b/net/core/Makefile +@@ -9,8 +9,9 @@ obj-$(CONFIG_SYSCTL) += sysctl_net_core.o + + obj-y += dev.o ethtool.o dev_addr_lists.o dst.o netevent.o \ + neighbour.o rtnetlink.o utils.o link_watch.o filter.o \ +- sock_diag.o dev_ioctl.o tso.o sock_reuseport.o ++ dev_ioctl.o tso.o sock_reuseport.o + ++obj-$(CONFIG_SOCK_DIAG) += sock_diag.o + obj-$(CONFIG_XFRM) += flow.o + obj-y += net-sysfs.o + obj-$(CONFIG_PROC_FS) += net-procfs.o +diff --git a/net/core/sock.c b/net/core/sock.c +index 1989b3dd6d17..d4ca8db4166a 100644 +--- a/net/core/sock.c ++++ b/net/core/sock.c +@@ -1457,9 +1457,11 @@ void sk_destruct(struct sock *sk) + + static void __sk_free(struct sock *sk) + { ++#ifdef CONFIG_SOCK_DIAG + if (unlikely(sock_diag_has_destroy_listeners(sk) && sk->sk_net_refcnt)) + sock_diag_broadcast_destroy(sk); + else ++#endif + sk_destruct(sk); + } + +diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig +index b54b3ca939db..74ecf598622c 100644 +--- a/net/ipv4/Kconfig ++++ b/net/ipv4/Kconfig +@@ -408,6 +408,7 @@ 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 +diff --git a/net/netlink/Kconfig b/net/netlink/Kconfig +index 5d6e8c05b3d4..8a2696d66c20 100644 +--- 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. +diff --git a/net/packet/Kconfig b/net/packet/Kconfig +index cc55b35f80e5..9a83c86f5480 100644 +--- 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. +diff --git a/net/unix/Kconfig b/net/unix/Kconfig +index 8b31ab85d050..6548cf3ea7f1 100644 +--- 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. +-- +2.11.0 + -- cgit v1.2.3