kernel: Make the patches apply on top of 4.19

This makes the patches which were just copied in the previous commit
apply on top of kernel 4.19.

The patches in the backports-4.19 folder were checked if they are really
in kernel 4.19 based on the title and only removed if they were found in
the upstream kernel.

The following additional patches form the pending folder went into
upstream Linux 4.19:
pending-4.19/171-usb-dwc2-Fix-inefficient-copy-of-unaligned-buffers.patch
pending-4.19/190-2-5-e1000e-Fix-wrong-comment-related-to-link-detection.patch
pending-4.19/478-mtd-spi-nor-Add-support-for-XM25QH64A-and-XM25QH128A.patch
pending-4.19/479-mtd-spi-nor-add-eon-en25qh32.patch
pending-4.19/950-tty-serial-exar-generalize-rs485-setup.patch
pending-4.19/340-MIPS-mm-remove-mips_dma_mapping_error.patch

Bigger changes were introduced to the m25p80 spi nor driver, as far as I
saw it in the new code, it now has the functionality provided in this
patch:
pending-4.19/450-mtd-m25p80-allow-fallback-from-spi_flash_read-to-reg.patch

Part of this patch went upstream independent of OpenWrt:
hack-4.19/220-gc_sections.patch
This patch was reworked to match the changes done upstream.

The MIPS DMA API changed a lot, this patch was rewritten to match the
new DMA handling:
pending-4.19/341-MIPS-mm-remove-no-op-dma_map_ops-where-possible.patch

I did bigger manual changes to the following patches and I am not 100% sure if they are all correct:
pending-4.19/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch
pending-4.19/411-mtd-partial_eraseblock_write.patch
pending-4.19/600-netfilter_conntrack_flush.patch
pending-4.19/611-netfilter_match_bypass_default_table.patch
pending-4.19/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch
hack-4.19/211-host_tools_portability.patch
hack-4.19/221-module_exports.patch
hack-4.19/321-powerpc_crtsavres_prereq.patch
hack-4.19/902-debloat_proc.patch

This is based on patchset from Marko Ratkaj <marko.ratkaj@sartura.hr>

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

1 files changed, 63 insertions, 63 deletions

diff --git a/target/linux/generic/hack-4.19/902-debloat_proc.patch b/target/linux/generic/hack-4.19/902-debloat_proc.patch
index cae6d66e7d..6f4d264f35 100644
--- a/target/linux/generic/hack-4.19/902-debloat_proc.patch
+++ b/target/linux/generic/hack-4.19/902-debloat_proc.patch
@@ -29,18 +29,18 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 
 --- a/fs/locks.c
 +++ b/fs/locks.c
-@@ -2812,6 +2812,8 @@ static const struct file_operations proc
+@@ -2786,6 +2786,8 @@ static const struct seq_operations locks
  
  static int __init proc_locks_init(void)
  {
 +	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
 +		return 0;
- 	proc_create("locks", 0, NULL, &proc_locks_operations);
+ 	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
-@@ -81,3 +81,8 @@ config PROC_CHILDREN
+@@ -97,3 +97,8 @@ 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.
@@ -51,19 +51,19 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +	bool "Strip non-essential /proc functionality to reduce code size"
 --- a/fs/proc/consoles.c
 +++ b/fs/proc/consoles.c
-@@ -106,6 +106,9 @@ static const struct file_operations proc
+@@ -93,6 +93,9 @@ static const struct seq_operations conso
  
  static int __init proc_consoles_init(void)
  {
 +	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
 +		return 0;
 +
- 	proc_create("consoles", 0, NULL, &proc_consoles_operations);
+ 	proc_create_seq("consoles", 0, NULL, &consoles_op);
  	return 0;
  }
 --- a/fs/proc/proc_tty.c
 +++ b/fs/proc/proc_tty.c
-@@ -145,7 +145,10 @@ static const struct file_operations proc
+@@ -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;
@@ -73,9 +73,9 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +		return;
 +
  	if (!driver->driver_name || driver->proc_entry ||
- 	    !driver->ops->proc_fops)
+ 	    !driver->ops->proc_show)
  		return;
-@@ -162,6 +165,9 @@ void proc_tty_unregister_driver(struct t
+@@ -150,6 +153,9 @@ void proc_tty_unregister_driver(struct t
  {
  	struct proc_dir_entry *ent;
  
@@ -85,7 +85,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	ent = driver->proc_entry;
  	if (!ent)
  		return;
-@@ -176,6 +182,9 @@ void proc_tty_unregister_driver(struct t
+@@ -164,6 +170,9 @@ void proc_tty_unregister_driver(struct t
   */
  void __init proc_tty_init(void)
  {
@@ -132,30 +132,30 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	do {								\
 --- a/ipc/msg.c
 +++ b/ipc/msg.c
-@@ -1208,6 +1208,9 @@ int __init msg_init(void)
+@@ -1291,6 +1291,9 @@ void __init msg_init(void)
  {
- 	const int err = msg_init_ns(&init_ipc_ns);
+ 	msg_init_ns(&init_ipc_ns);
  
 +	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return err;
++		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
-@@ -207,6 +207,8 @@ int __init sem_init(void)
+@@ -243,6 +243,8 @@ void sem_exit_ns(struct ipc_namespace *n
+ void __init sem_init(void)
  {
- 	const int err = sem_init_ns(&init_ipc_ns);
- 
+ 	sem_init_ns(&init_ipc_ns);
 +	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
-+		return err;
++		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
-@@ -122,6 +122,8 @@ pure_initcall(ipc_ns_init);
+@@ -144,6 +144,8 @@ pure_initcall(ipc_ns_init);
  
  void __init shm_init(void)
  {
@@ -166,7 +166,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  				"       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
-@@ -141,6 +141,9 @@ void __init ipc_init_proc_interface(cons
+@@ -140,6 +140,9 @@ void __init ipc_init_proc_interface(cons
  	struct proc_dir_entry *pde;
  	struct ipc_proc_iface *iface;
  
@@ -178,18 +178,18 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  		return;
 --- a/kernel/exec_domain.c
 +++ b/kernel/exec_domain.c
-@@ -42,6 +42,8 @@ static const struct file_operations exec
+@@ -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("execdomains", 0, NULL, &execdomains_proc_fops);
+ 	proc_create_single("execdomains", 0, NULL, execdomains_proc_show);
  	return 0;
  }
 --- a/kernel/irq/proc.c
 +++ b/kernel/irq/proc.c
-@@ -396,6 +396,9 @@ void register_irq_proc(unsigned int irq,
+@@ -333,6 +333,9 @@ void register_irq_proc(unsigned int irq,
  	void __maybe_unused *irqp = (void *)(unsigned long) irq;
  	char name [MAX_NAMELEN];
  
@@ -199,7 +199,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	if (!root_irq_dir || (desc->irq_data.chip == &no_irq_chip))
  		return;
  
-@@ -449,6 +452,9 @@ void unregister_irq_proc(unsigned int ir
+@@ -386,6 +389,9 @@ void unregister_irq_proc(unsigned int ir
  {
  	char name [MAX_NAMELEN];
  
@@ -209,7 +209,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	if (!root_irq_dir || !desc->dir)
  		return;
  #ifdef CONFIG_SMP
-@@ -487,6 +493,9 @@ void init_irq_proc(void)
+@@ -424,6 +430,9 @@ void init_irq_proc(void)
  	unsigned int irq;
  	struct irq_desc *desc;
  
@@ -221,47 +221,47 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	if (!root_irq_dir)
 --- a/kernel/time/timer_list.c
 +++ b/kernel/time/timer_list.c
-@@ -389,6 +389,8 @@ static int __init init_timer_list_procfs
+@@ -374,6 +374,8 @@ static int __init init_timer_list_procfs
  {
  	struct proc_dir_entry *pe;
  
 +	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
 +		return 0;
- 	pe = proc_create("timer_list", 0444, NULL, &timer_list_fops);
+ 	pe = proc_create_seq_private("timer_list", 0400, NULL, &timer_list_sops,
+ 			sizeof(struct timer_list_iter), NULL);
  	if (!pe)
- 		return -ENOMEM;
 --- a/mm/vmalloc.c
 +++ b/mm/vmalloc.c
-@@ -2770,6 +2770,8 @@ static const struct file_operations proc
+@@ -2736,6 +2736,8 @@ static const struct seq_operations vmall
  
  static int __init proc_vmalloc_init(void)
  {
 +	if (IS_ENABLED(CONFIG_PROC_STRIPPED))
 +		return 0;
- 	proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
- 	return 0;
- }
+ 	if (IS_ENABLED(CONFIG_NUMA))
+ 		proc_create_seq_private("vmallocinfo", 0400, NULL,
+ 				&vmalloc_op,
 --- a/mm/vmstat.c
 +++ b/mm/vmstat.c
-@@ -1955,10 +1955,12 @@ void __init init_mm_internals(void)
+@@ -1972,10 +1972,12 @@ void __init init_mm_internals(void)
  	start_shepherd_timer();
  #endif
  #ifdef CONFIG_PROC_FS
--	proc_create("buddyinfo", 0444, NULL, &buddyinfo_file_operations);
--	proc_create("pagetypeinfo", 0444, NULL, &pagetypeinfo_file_operations);
+-	proc_create_seq("buddyinfo", 0444, NULL, &fragmentation_op);
+-	proc_create_seq("pagetypeinfo", 0444, NULL, &pagetypeinfo_op);
 +	if (!IS_ENABLED(CONFIG_PROC_STRIPPED)) {
-+		proc_create("buddyinfo", 0444, NULL, &buddyinfo_file_operations);
-+		proc_create("pagetypeinfo", 0444, NULL, &pagetypeinfo_file_operations);
-+		proc_create("zoneinfo", 0444, NULL, &zoneinfo_file_operations);
++		proc_create_seq("buddyinfo", 0444, NULL, &fragmentation_op);
++		proc_create_seq("pagetypeinfo", 0444, NULL, &pagetypeinfo_op);
++		proc_create_seq("zoneinfo", 0444, NULL, &zoneinfo_op);
 +	}
- 	proc_create("vmstat", 0444, NULL, &vmstat_file_operations);
--	proc_create("zoneinfo", 0444, NULL, &zoneinfo_file_operations);
+ 	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
-@@ -127,6 +127,9 @@ void vlan_proc_cleanup(struct net *net)
+@@ -96,6 +96,9 @@ void vlan_proc_cleanup(struct net *net)
  {
  	struct vlan_net *vn = net_generic(net, vlan_net_id);
  
@@ -271,7 +271,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	if (vn->proc_vlan_conf)
  		remove_proc_entry(name_conf, vn->proc_vlan_dir);
  
-@@ -146,6 +149,9 @@ int __net_init vlan_proc_init(struct net
+@@ -115,6 +118,9 @@ int __net_init vlan_proc_init(struct net
  {
  	struct vlan_net *vn = net_generic(net, vlan_net_id);
  
@@ -283,22 +283,22 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  		goto err;
 --- a/net/core/net-procfs.c
 +++ b/net/core/net-procfs.c
-@@ -320,10 +320,12 @@ static int __net_init dev_proc_net_init(
- 
- 	if (!proc_create("dev", S_IRUGO, net->proc_net, &dev_seq_fops))
+@@ -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("softnet_stat", S_IRUGO, net->proc_net,
+-	if (!proc_create_seq("softnet_stat", 0444, net->proc_net,
 +	if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
-+		!proc_create("softnet_stat", S_IRUGO, net->proc_net,
- 			 &softnet_seq_fops))
++			!proc_create_seq("softnet_stat", 0444, net->proc_net,
+ 			 &softnet_seq_ops))
  		goto out_dev;
--	if (!proc_create("ptype", S_IRUGO, net->proc_net, &ptype_seq_fops))
+-	if (!proc_create_net("ptype", 0444, net->proc_net, &ptype_seq_ops,
 +	if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
-+		!proc_create("ptype", S_IRUGO, net->proc_net, &ptype_seq_fops))
++			!proc_create_net("ptype", 0444, net->proc_net, &ptype_seq_ops,
+ 			sizeof(struct seq_net_private)))
  		goto out_softnet;
  
- 	if (wext_proc_init(net))
-@@ -332,9 +334,11 @@ static int __net_init dev_proc_net_init(
+@@ -292,9 +294,11 @@ static int __net_init dev_proc_net_init(
  out:
  	return rc;
  out_ptype:
@@ -312,7 +312,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  out_dev:
  	remove_proc_entry("dev", net->proc_net);
  	goto out;
-@@ -344,8 +348,10 @@ static void __net_exit dev_proc_net_exit
+@@ -304,8 +308,10 @@ static void __net_exit dev_proc_net_exit
  {
  	wext_proc_exit(net);
  
@@ -327,7 +327,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  
 --- a/net/core/sock.c
 +++ b/net/core/sock.c
-@@ -3378,6 +3378,8 @@ static __net_initdata struct pernet_oper
+@@ -3477,6 +3477,8 @@ static __net_initdata struct pernet_oper
  
  static int __init proto_init(void)
  {
@@ -338,22 +338,23 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  
 --- a/net/ipv4/fib_trie.c
 +++ b/net/ipv4/fib_trie.c
-@@ -2731,10 +2731,12 @@ static const struct file_operations fib_
+@@ -2708,11 +2708,13 @@ static const struct seq_operations fib_r
  
  int __net_init fib_proc_init(struct net *net)
  {
--	if (!proc_create("fib_trie", S_IRUGO, net->proc_net, &fib_trie_fops))
+-	if (!proc_create_net("fib_trie", 0444, net->proc_net, &fib_trie_seq_ops,
 +	if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
-+		!proc_create("fib_trie", S_IRUGO, net->proc_net, &fib_trie_fops))
++			!proc_create_net("fib_trie", 0444, net->proc_net, &fib_trie_seq_ops,
+ 			sizeof(struct fib_trie_iter)))
  		goto out1;
  
--	if (!proc_create("fib_triestat", S_IRUGO, net->proc_net,
+-	if (!proc_create_net_single("fib_triestat", 0444, net->proc_net,
 +	if (!IS_ENABLED(CONFIG_PROC_STRIPPED) &&
-+		!proc_create("fib_triestat", S_IRUGO, net->proc_net,
- 			 &fib_triestat_fops))
++			!proc_create_net_single("fib_triestat", 0444, net->proc_net,
+ 			fib_triestat_seq_show, NULL))
  		goto out2;
  
-@@ -2744,17 +2746,21 @@ int __net_init fib_proc_init(struct net
+@@ -2723,17 +2725,21 @@ int __net_init fib_proc_init(struct net
  	return 0;
  
  out3:
@@ -381,7 +382,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  
 --- a/net/ipv4/proc.c
 +++ b/net/ipv4/proc.c
-@@ -558,6 +558,9 @@ static __net_initdata struct pernet_oper
+@@ -523,5 +523,8 @@ static __net_initdata struct pernet_oper
  
  int __init ip_misc_proc_init(void)
  {
@@ -390,10 +391,9 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 +
  	return register_pernet_subsys(&ip_proc_ops);
  }
- 
 --- a/net/ipv4/route.c
 +++ b/net/ipv4/route.c
-@@ -427,6 +427,9 @@ static struct pernet_operations ip_rt_pr
+@@ -410,6 +410,9 @@ static struct pernet_operations ip_rt_pr
  
  static int __init ip_rt_proc_init(void)
  {