kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 408 deletions

diff --git a/target/linux/generic/hack-5.4/902-debloat_proc.patch b/target/linux/generic/hack-5.4/902-debloat_proc.patch
deleted file mode 100644
index 198b03768b..0000000000
--- a/target/linux/generic/hack-5.4/902-debloat_proc.patch
+++ /dev/null
@@ -1,408 +0,0 @@
-From 9e3f1d0805b2d919904dd9a4ff0d956314cc3cba Mon Sep 17 00:00:00 2001
-From: Felix Fietkau <nbd@nbd.name>
-Date: Sat, 8 Jul 2017 08:20:09 +0200
-Subject: debloat: procfs
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
- fs/locks.c               |  2 ++
- fs/proc/Kconfig          |  5 +++++
- fs/proc/consoles.c       |  3 +++
- fs/proc/proc_tty.c       | 11 ++++++++++-
- include/net/snmp.h       | 18 +++++++++++++++++-
- ipc/msg.c                |  3 +++
- ipc/sem.c                |  2 ++
- ipc/shm.c                |  2 ++
- ipc/util.c               |  3 +++
- kernel/exec_domain.c     |  2 ++
- kernel/irq/proc.c        |  9 +++++++++
- kernel/time/timer_list.c |  2 ++
- mm/vmalloc.c             |  2 ++
- mm/vmstat.c              |  8 +++++---
- net/8021q/vlanproc.c     |  6 ++++++
- net/core/net-procfs.c    | 18 ++++++++++++------
- net/core/sock.c          |  2 ++
- net/ipv4/fib_trie.c      | 18 ++++++++++++------
- net/ipv4/proc.c          |  3 +++
- net/ipv4/route.c         |  3 +++
- 20 files changed, 105 insertions(+), 17 deletions(-)
-
---- a/fs/locks.c
-+++ b/fs/locks.c
-@@ -2989,6 +2989,8 @@ static const struct seq_operations locks
- 
- static int __init proc_locks_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
- 	proc_create_seq_private("locks", 0, NULL, &locks_seq_operations,
- 			sizeof(struct locks_iterator), NULL);
- 	return 0;
---- a/fs/proc/Kconfig
-+++ b/fs/proc/Kconfig
-@@ -100,6 +100,11 @@ config PROC_CHILDREN
- 	  Say Y if you are running any user-space software which takes benefit from
- 	  this interface. For example, rkt is such a piece of software.
- 
-+config PROC_STRIPPED
-+	default n
-+	depends on EXPERT
-+	bool "Strip non-essential /proc functionality to reduce code size"
-+
- config PROC_PID_ARCH_STATUS
- 	def_bool n
- 	depends on PROC_FS
---- a/fs/proc/consoles.c
-+++ b/fs/proc/consoles.c
-@@ -92,6 +92,9 @@ static const struct seq_operations conso
- 
- static int __init proc_consoles_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
-+
- 	proc_create_seq("consoles", 0, NULL, &consoles_op);
- 	return 0;
- }
---- a/fs/proc/proc_tty.c
-+++ b/fs/proc/proc_tty.c
-@@ -133,7 +133,10 @@ static const struct seq_operations tty_d
- void proc_tty_register_driver(struct tty_driver *driver)
- {
- 	struct proc_dir_entry *ent;
--		
-+
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return;
-+
- 	if (!driver->driver_name || driver->proc_entry ||
- 	    !driver->ops->proc_show)
- 		return;
-@@ -150,6 +153,9 @@ void proc_tty_unregister_driver(struct t
- {
- 	struct proc_dir_entry *ent;
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return;
-+
- 	ent = driver->proc_entry;
- 	if (!ent)
- 		return;
-@@ -164,6 +170,9 @@ void proc_tty_unregister_driver(struct t
-  */
- void __init proc_tty_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return;
-+
- 	if (!proc_mkdir("tty", NULL))
- 		return;
- 	proc_mkdir("tty/ldisc", NULL);	/* Preserved: it's userspace visible */
---- a/include/net/snmp.h
-+++ b/include/net/snmp.h
-@@ -118,6 +118,21 @@ struct linux_xfrm_mib {
- #define DECLARE_SNMP_STAT(type, name)	\
- 	extern __typeof__(type) __percpu *name
- 
-+#ifdef CONFIG_PROC_STRIPPED
-+#define __SNMP_STATS_DUMMY(mib)	\
-+	do { (void) mib->mibs[0]; } while(0)
-+
-+#define __SNMP_INC_STATS(mib, field) __SNMP_STATS_DUMMY(mib)
-+#define SNMP_INC_STATS_ATOMIC_LONG(mib, field) __SNMP_STATS_DUMMY(mib)
-+#define SNMP_INC_STATS(mib, field) __SNMP_STATS_DUMMY(mib)
-+#define SNMP_DEC_STATS(mib, field) __SNMP_STATS_DUMMY(mib)
-+#define __SNMP_ADD_STATS(mib, field, addend) __SNMP_STATS_DUMMY(mib)
-+#define SNMP_ADD_STATS(mib, field, addend) __SNMP_STATS_DUMMY(mib)
-+#define SNMP_UPD_PO_STATS(mib, basefield, addend) __SNMP_STATS_DUMMY(mib)
-+#define __SNMP_UPD_PO_STATS(mib, basefield, addend) __SNMP_STATS_DUMMY(mib)
-+
-+#else
-+
- #define __SNMP_INC_STATS(mib, field)	\
- 			__this_cpu_inc(mib->mibs[field])
- 
-@@ -148,8 +163,9 @@ struct linux_xfrm_mib {
- 		__this_cpu_add(ptr[basefield##OCTETS], addend);	\
- 	} while (0)
- 
-+#endif
- 
--#if BITS_PER_LONG==32
-+#if (BITS_PER_LONG==32) && !defined(CONFIG_PROC_STRIPPED)
- 
- #define __SNMP_ADD_STATS64(mib, field, addend) 				\
- 	do {								\
---- a/ipc/msg.c
-+++ b/ipc/msg.c
-@@ -1317,6 +1317,9 @@ void __init msg_init(void)
- {
- 	msg_init_ns(&init_ipc_ns);
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return;
-+
- 	ipc_init_proc_interface("sysvipc/msg",
- 				"       key      msqid perms      cbytes       qnum lspid lrpid   uid   gid  cuid  cgid      stime      rtime      ctime\n",
- 				IPC_MSG_IDS, sysvipc_msg_proc_show);
---- a/ipc/sem.c
-+++ b/ipc/sem.c
-@@ -243,6 +243,8 @@ void sem_exit_ns(struct ipc_namespace *n
- void __init sem_init(void)
- {
- 	sem_init_ns(&init_ipc_ns);
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return;
- 	ipc_init_proc_interface("sysvipc/sem",
- 				"       key      semid perms      nsems   uid   gid  cuid  cgid      otime      ctime\n",
- 				IPC_SEM_IDS, sysvipc_sem_proc_show);
---- a/ipc/shm.c
-+++ b/ipc/shm.c
-@@ -154,6 +154,8 @@ pure_initcall(ipc_ns_init);
- 
- void __init shm_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return;
- 	ipc_init_proc_interface("sysvipc/shm",
- #if BITS_PER_LONG <= 32
- 				"       key      shmid perms       size  cpid  lpid nattch   uid   gid  cuid  cgid      atime      dtime      ctime        rss       swap\n",
---- a/ipc/util.c
-+++ b/ipc/util.c
-@@ -140,6 +140,9 @@ void __init ipc_init_proc_interface(cons
- 	struct proc_dir_entry *pde;
- 	struct ipc_proc_iface *iface;
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return;
-+
- 	iface = kmalloc(sizeof(*iface), GFP_KERNEL);
- 	if (!iface)
- 		return;
---- a/kernel/exec_domain.c
-+++ b/kernel/exec_domain.c
-@@ -29,6 +29,8 @@ static int execdomains_proc_show(struct
- 
- static int __init proc_execdomains_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
- 	proc_create_single("execdomains", 0, NULL, execdomains_proc_show);
- 	return 0;
- }
---- a/kernel/irq/proc.c
-+++ b/kernel/irq/proc.c
-@@ -341,6 +341,9 @@ void register_irq_proc(unsigned int irq,
- 	void __maybe_unused *irqp = (void *)(unsigned long) irq;
- 	char name [MAX_NAMELEN];
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED) && !IS_ENABLED(CONFIG_SMP))
-+		return;
-+
- 	if (!root_irq_dir || (desc->irq_data.chip == &no_irq_chip))
- 		return;
- 
-@@ -394,6 +397,9 @@ void unregister_irq_proc(unsigned int ir
- {
- 	char name [MAX_NAMELEN];
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED) && !IS_ENABLED(CONFIG_SMP))
-+		return;
-+
- 	if (!root_irq_dir || !desc->dir)
- 		return;
- #ifdef CONFIG_SMP
-@@ -432,6 +438,9 @@ void init_irq_proc(void)
- 	unsigned int irq;
- 	struct irq_desc *desc;
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED) && !IS_ENABLED(CONFIG_SMP))
-+		return;
-+
- 	/* create /proc/irq */
- 	root_irq_dir = proc_mkdir("irq", NULL);
- 	if (!root_irq_dir)
---- a/kernel/time/timer_list.c
-+++ b/kernel/time/timer_list.c
-@@ -370,6 +370,8 @@ static int __init init_timer_list_procfs
- {
- 	struct proc_dir_entry *pe;
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
- 	pe = proc_create_seq_private("timer_list", 0400, NULL, &timer_list_sops,
- 			sizeof(struct timer_list_iter), NULL);
- 	if (!pe)
---- a/mm/vmalloc.c
-+++ b/mm/vmalloc.c
-@@ -3564,6 +3564,8 @@ static const struct seq_operations vmall
- 
- static int __init proc_vmalloc_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
- 	if (IS_ENABLED(CONFIG_NUMA))
- 		proc_create_seq_private("vmallocinfo", 0400, NULL,
- 				&vmalloc_op,
---- a/mm/vmstat.c
-+++ b/mm/vmstat.c
-@@ -1988,10 +1988,12 @@ void __init init_mm_internals(void)
- 	start_shepherd_timer();
- #endif
- #ifdef CONFIG_PROC_FS
--	proc_create_seq("buddyinfo", 0444, NULL, &fragmentation_op);
--	proc_create_seq("pagetypeinfo", 0400, NULL, &pagetypeinfo_op);
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED)) {
-+		proc_create_seq("buddyinfo", 0444, NULL, &fragmentation_op);
-+		proc_create_seq("pagetypeinfo", 0400, NULL, &pagetypeinfo_op);
-+		proc_create_seq("zoneinfo", 0444, NULL, &zoneinfo_op);
-+	}
- 	proc_create_seq("vmstat", 0444, NULL, &vmstat_op);
--	proc_create_seq("zoneinfo", 0444, NULL, &zoneinfo_op);
- #endif
- }
- 
---- a/net/8021q/vlanproc.c
-+++ b/net/8021q/vlanproc.c
-@@ -93,6 +93,9 @@ void vlan_proc_cleanup(struct net *net)
- {
- 	struct vlan_net *vn = net_generic(net, vlan_net_id);
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return;
-+
- 	if (vn->proc_vlan_conf)
- 		remove_proc_entry(name_conf, vn->proc_vlan_dir);
- 
-@@ -112,6 +115,9 @@ int __net_init vlan_proc_init(struct net
- {
- 	struct vlan_net *vn = net_generic(net, vlan_net_id);
- 
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
-+
- 	vn->proc_vlan_dir = proc_net_mkdir(net, name_root, net->proc_net);
- 	if (!vn->proc_vlan_dir)
- 		goto err;
---- a/net/core/net-procfs.c
-+++ b/net/core/net-procfs.c
-@@ -279,10 +279,12 @@ static int __net_init dev_proc_net_init(
- 	if (!proc_create_net("dev", 0444, net->proc_net, &dev_seq_ops,
- 			sizeof(struct seq_net_private)))
- 		goto out;
--	if (!proc_create_seq("softnet_stat", 0444, net->proc_net,
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
-+			!proc_create_seq("softnet_stat", 0444, net->proc_net,
- 			 &softnet_seq_ops))
- 		goto out_dev;
--	if (!proc_create_net("ptype", 0444, net->proc_net, &ptype_seq_ops,
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
-+			!proc_create_net("ptype", 0444, net->proc_net, &ptype_seq_ops,
- 			sizeof(struct seq_net_private)))
- 		goto out_softnet;
- 
-@@ -292,9 +294,11 @@ static int __net_init dev_proc_net_init(
- out:
- 	return rc;
- out_ptype:
--	remove_proc_entry("ptype", net->proc_net);
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		remove_proc_entry("ptype", net->proc_net);
- out_softnet:
--	remove_proc_entry("softnet_stat", net->proc_net);
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		remove_proc_entry("softnet_stat", net->proc_net);
- out_dev:
- 	remove_proc_entry("dev", net->proc_net);
- 	goto out;
-@@ -304,8 +308,10 @@ static void __net_exit dev_proc_net_exit
- {
- 	wext_proc_exit(net);
- 
--	remove_proc_entry("ptype", net->proc_net);
--	remove_proc_entry("softnet_stat", net->proc_net);
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED)) {
-+		remove_proc_entry("ptype", net->proc_net);
-+		remove_proc_entry("softnet_stat", net->proc_net);
-+	}
- 	remove_proc_entry("dev", net->proc_net);
- }
- 
---- a/net/core/sock.c
-+++ b/net/core/sock.c
-@@ -3643,6 +3643,8 @@ static __net_initdata struct pernet_oper
- 
- static int __init proto_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
- 	return register_pernet_subsys(&proto_net_ops);
- }
- 
---- a/net/ipv4/fib_trie.c
-+++ b/net/ipv4/fib_trie.c
-@@ -2848,11 +2848,13 @@ static const struct seq_operations fib_r
- 
- int __net_init fib_proc_init(struct net *net)
- {
--	if (!proc_create_net("fib_trie", 0444, net->proc_net, &fib_trie_seq_ops,
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
-+			!proc_create_net("fib_trie", 0444, net->proc_net, &fib_trie_seq_ops,
- 			sizeof(struct fib_trie_iter)))
- 		goto out1;
- 
--	if (!proc_create_net_single("fib_triestat", 0444, net->proc_net,
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
-+			!proc_create_net_single("fib_triestat", 0444, net->proc_net,
- 			fib_triestat_seq_show, NULL))
- 		goto out2;
- 
-@@ -2863,17 +2865,21 @@ int __net_init fib_proc_init(struct net
- 	return 0;
- 
- out3:
--	remove_proc_entry("fib_triestat", net->proc_net);
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		remove_proc_entry("fib_triestat", net->proc_net);
- out2:
--	remove_proc_entry("fib_trie", net->proc_net);
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		remove_proc_entry("fib_trie", net->proc_net);
- out1:
- 	return -ENOMEM;
- }
- 
- void __net_exit fib_proc_exit(struct net *net)
- {
--	remove_proc_entry("fib_trie", net->proc_net);
--	remove_proc_entry("fib_triestat", net->proc_net);
-+	if (!IS_ENABLED(CONFIG_PROC_STRIPPED)) {
-+		remove_proc_entry("fib_trie", net->proc_net);
-+		remove_proc_entry("fib_triestat", net->proc_net);
-+	}
- 	remove_proc_entry("route", net->proc_net);
- }
- 
---- a/net/ipv4/proc.c
-+++ b/net/ipv4/proc.c
-@@ -522,5 +522,8 @@ static __net_initdata struct pernet_oper
- 
- int __init ip_misc_proc_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
-+
- 	return register_pernet_subsys(&ip_proc_ops);
- }
---- a/net/ipv4/route.c
-+++ b/net/ipv4/route.c
-@@ -410,6 +410,9 @@ static struct pernet_operations ip_rt_pr
- 
- static int __init ip_rt_proc_init(void)
- {
-+	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return 0;
-+
- 	return register_pernet_subsys(&ip_rt_proc_ops);
- }
-