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4c6e9a9943
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.30 Removed upstreamed: ipq806x/patches-6.6/130-mtd-rawnand-qcom-Fix-broken-misc_cmd_type-in-exec_op.patch[1] Manually rebased: generic/pending-6.6/760-net-core-add-optional-threading-for-backlog-processi.patch mediatek/patches-6.6/941-arm64-dts-mt7986-move-cpuboot-in-a-dedicated-node.patch All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.30&id=87fc30db0a2bb300de289dae7c5579cc27a3cbbd Build system: x86/64 Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3, flogic/glinet_gl-mt6000 Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3, flogic/glinet_gl-mt6000 Signed-off-by: John Audia <therealgraysky@proton.me>
182 lines
4.8 KiB
Diff
182 lines
4.8 KiB
Diff
From 3b6115d6b57a263bdc8c9b1df273bd4a7955eead Mon Sep 17 00:00:00 2001
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From: Felix Fietkau <nbd@nbd.name>
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Date: Sat, 8 Jul 2017 08:16:31 +0200
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Subject: debloat: add some debloat patches, strip down procfs and make O_DIRECT support optional, saves ~15K after lzma on MIPS
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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net/Kconfig | 3 +++
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net/core/Makefile | 3 ++-
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net/core/sock.c | 2 ++
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net/ipv4/Kconfig | 1 +
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net/netlink/Kconfig | 1 +
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net/packet/Kconfig | 1 +
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net/unix/Kconfig | 1 +
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7 files changed, 11 insertions(+), 1 deletion(-)
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--- a/net/Kconfig
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+++ b/net/Kconfig
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@@ -129,6 +129,9 @@ source "net/mptcp/Kconfig"
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endif # if INET
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+config SOCK_DIAG
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+ bool
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+
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config NETWORK_SECMARK
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bool "Security Marking"
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help
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--- a/net/core/Makefile
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+++ b/net/core/Makefile
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@@ -11,12 +11,13 @@ obj-$(CONFIG_SYSCTL) += sysctl_net_core.
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obj-y += dev.o dev_addr_lists.o dst.o netevent.o \
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neighbour.o rtnetlink.o utils.o link_watch.o filter.o \
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- sock_diag.o dev_ioctl.o tso.o sock_reuseport.o \
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+ dev_ioctl.o tso.o sock_reuseport.o \
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fib_notifier.o xdp.o flow_offload.o gro.o \
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netdev-genl.o netdev-genl-gen.o gso.o
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obj-$(CONFIG_NETDEV_ADDR_LIST_TEST) += dev_addr_lists_test.o
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+obj-$(CONFIG_SOCK_DIAG) += sock_diag.o
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obj-y += net-sysfs.o
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obj-$(CONFIG_PAGE_POOL) += page_pool.o
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obj-$(CONFIG_PROC_FS) += net-procfs.o
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--- a/net/core/sock.c
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+++ b/net/core/sock.c
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@@ -118,6 +118,7 @@
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#include <linux/mroute.h>
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#include <linux/mroute6.h>
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#include <linux/icmpv6.h>
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+#include <linux/cookie.h>
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#include <linux/uaccess.h>
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@@ -150,6 +151,7 @@
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static DEFINE_MUTEX(proto_list_mutex);
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static LIST_HEAD(proto_list);
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+DEFINE_COOKIE(sock_cookie);
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static void sock_def_write_space_wfree(struct sock *sk);
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static void sock_def_write_space(struct sock *sk);
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@@ -590,6 +592,21 @@ discard_and_relse:
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}
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EXPORT_SYMBOL(__sk_receive_skb);
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+u64 __sock_gen_cookie(struct sock *sk)
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+{
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+ u64 res = atomic64_read(&sk->sk_cookie);
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+
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+ if (!res) {
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+ u64 new = gen_cookie_next(&sock_cookie);
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+
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+ atomic64_cmpxchg(&sk->sk_cookie, res, new);
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+
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+ /* Another thread might have changed sk_cookie before us. */
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+ res = atomic64_read(&sk->sk_cookie);
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+ }
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+ return res;
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+}
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+
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INDIRECT_CALLABLE_DECLARE(struct dst_entry *ip6_dst_check(struct dst_entry *,
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u32));
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INDIRECT_CALLABLE_DECLARE(struct dst_entry *ipv4_dst_check(struct dst_entry *,
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@@ -2247,9 +2264,11 @@ static void __sk_free(struct sock *sk)
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if (likely(sk->sk_net_refcnt))
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sock_inuse_add(sock_net(sk), -1);
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+#ifdef CONFIG_SOCK_DIAG
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if (unlikely(sk->sk_net_refcnt && sock_diag_has_destroy_listeners(sk)))
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sock_diag_broadcast_destroy(sk);
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else
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+#endif
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sk_destruct(sk);
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}
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--- a/net/core/sock_diag.c
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+++ b/net/core/sock_diag.c
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@@ -12,7 +12,6 @@
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#include <linux/tcp.h>
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#include <linux/workqueue.h>
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#include <linux/nospec.h>
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-#include <linux/cookie.h>
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#include <linux/inet_diag.h>
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#include <linux/sock_diag.h>
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@@ -21,23 +20,6 @@ static int (*inet_rcv_compat)(struct sk_
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static DEFINE_MUTEX(sock_diag_table_mutex);
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static struct workqueue_struct *broadcast_wq;
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-DEFINE_COOKIE(sock_cookie);
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-
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-u64 __sock_gen_cookie(struct sock *sk)
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-{
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- u64 res = atomic64_read(&sk->sk_cookie);
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-
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- if (!res) {
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- u64 new = gen_cookie_next(&sock_cookie);
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-
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- atomic64_cmpxchg(&sk->sk_cookie, res, new);
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-
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- /* Another thread might have changed sk_cookie before us. */
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- res = atomic64_read(&sk->sk_cookie);
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- }
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- return res;
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-}
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-
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int sock_diag_check_cookie(struct sock *sk, const __u32 *cookie)
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{
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u64 res;
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--- a/net/ipv4/Kconfig
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+++ b/net/ipv4/Kconfig
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@@ -423,6 +423,7 @@ config INET_TUNNEL
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config INET_DIAG
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tristate "INET: socket monitoring interface"
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+ select SOCK_DIAG
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default y
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help
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Support for INET (TCP, DCCP, etc) socket monitoring interface used by
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--- a/net/netlink/Kconfig
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+++ b/net/netlink/Kconfig
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@@ -5,6 +5,7 @@
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config NETLINK_DIAG
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tristate "NETLINK: socket monitoring interface"
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+ select SOCK_DIAG
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default n
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help
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Support for NETLINK socket monitoring interface used by the ss tool.
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--- a/net/packet/Kconfig
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+++ b/net/packet/Kconfig
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@@ -19,6 +19,7 @@ config PACKET
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config PACKET_DIAG
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tristate "Packet: sockets monitoring interface"
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depends on PACKET
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+ select SOCK_DIAG
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default n
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help
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Support for PF_PACKET sockets monitoring interface used by the ss tool.
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--- a/net/unix/Kconfig
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+++ b/net/unix/Kconfig
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@@ -29,6 +29,7 @@ config AF_UNIX_OOB
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config UNIX_DIAG
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tristate "UNIX: socket monitoring interface"
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depends on UNIX
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+ select SOCK_DIAG
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default n
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help
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Support for UNIX socket monitoring interface used by the ss tool.
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--- a/net/xdp/Kconfig
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+++ b/net/xdp/Kconfig
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@@ -10,6 +10,7 @@ config XDP_SOCKETS
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config XDP_SOCKETS_DIAG
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tristate "XDP sockets: monitoring interface"
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depends on XDP_SOCKETS
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+ select SOCK_DIAG
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default n
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help
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Support for PF_XDP sockets monitoring interface used by the ss tool.
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