diff options
Diffstat (limited to 'target/linux/generic/hack-4.9/902-debloat_proc.patch')
| -rw-r--r-- | target/linux/generic/hack-4.9/902-debloat_proc.patch | 406 |
1 files changed, 0 insertions, 406 deletions
diff --git a/target/linux/generic/hack-4.9/902-debloat_proc.patch b/target/linux/generic/hack-4.9/902-debloat_proc.patch deleted file mode 100644 index ee72d984f9..0000000000 --- a/target/linux/generic/hack-4.9/902-debloat_proc.patch +++ /dev/null @@ -1,406 +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 -@@ -2802,6 +2802,8 @@ static const struct file_operations proc - - static int __init proc_locks_init(void) - { -+ if (IS_ENABLED(CONFIG_PROC_STRIPPED)) -+ return 0; - proc_create("locks", 0, NULL, &proc_locks_operations); - return 0; - } ---- a/fs/proc/Kconfig -+++ b/fs/proc/Kconfig -@@ -81,3 +81,8 @@ 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. -+ -+config PROC_STRIPPED -+ default n -+ depends on EXPERT -+ 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 - - static int __init proc_consoles_init(void) - { -+ if (IS_ENABLED(CONFIG_PROC_STRIPPED)) -+ return 0; -+ - proc_create("consoles", 0, NULL, &proc_consoles_operations); - return 0; - } ---- a/fs/proc/proc_tty.c -+++ b/fs/proc/proc_tty.c -@@ -144,7 +144,10 @@ static const struct file_operations proc - 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_fops) - return; -@@ -161,6 +164,9 @@ 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; -@@ -175,6 +181,9 @@ 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 -@@ -123,6 +123,21 @@ 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]) - -@@ -153,8 +168,9 @@ 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 -@@ -1061,6 +1061,9 @@ 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 -@@ -205,6 +205,8 @@ 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 -@@ -118,6 +118,8 @@ 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 -@@ -121,6 +121,9 @@ 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 -@@ -41,6 +41,8 @@ static const struct file_operations exec - - static int __init proc_execdomains_init(void) - { -+ if (IS_ENABLED(CONFIG_PROC_STRIPPED)) -+ return 0; - proc_create("execdomains", 0, NULL, &execdomains_proc_fops); - return 0; - } ---- a/kernel/irq/proc.c -+++ b/kernel/irq/proc.c -@@ -326,6 +326,9 @@ void register_irq_proc(unsigned int irq, - static DEFINE_MUTEX(register_lock); - 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; - -@@ -374,6 +377,9 @@ 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 -@@ -408,6 +414,9 @@ 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 -@@ -399,6 +399,9 @@ 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", 0400, NULL, &timer_list_fops); - if (!pe) - return -ENOMEM; ---- a/mm/vmalloc.c -+++ b/mm/vmalloc.c -@@ -2718,6 +2718,8 @@ static const struct file_operations proc - - 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; - } ---- a/mm/vmstat.c -+++ b/mm/vmstat.c -@@ -1793,10 +1793,12 @@ static int __init setup_vmstat(void) - cpu_notifier_register_done(); - #endif - #ifdef CONFIG_PROC_FS -- proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations); -- proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops); -+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED)) { -+ proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations); -+ proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops); -+ proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations); -+ } - proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations); -- proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations); - #endif - return 0; - } ---- a/net/8021q/vlanproc.c -+++ b/net/8021q/vlanproc.c -@@ -127,6 +127,9 @@ 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); - -@@ -146,6 +149,9 @@ 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 -@@ -319,10 +319,12 @@ static int __net_init dev_proc_net_init( - - if (!proc_create("dev", S_IRUGO, net->proc_net, &dev_seq_fops)) - goto out; -- if (!proc_create("softnet_stat", S_IRUGO, net->proc_net, -+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED) && -+ !proc_create("softnet_stat", S_IRUGO, net->proc_net, - &softnet_seq_fops)) - goto out_dev; -- if (!proc_create("ptype", S_IRUGO, net->proc_net, &ptype_seq_fops)) -+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED) && -+ !proc_create("ptype", S_IRUGO, net->proc_net, &ptype_seq_fops)) - goto out_softnet; - - if (wext_proc_init(net)) -@@ -331,9 +333,11 @@ 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; -@@ -343,8 +347,10 @@ 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 -@@ -3088,6 +3088,8 @@ 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 -@@ -2677,10 +2677,12 @@ static const struct file_operations fib_ - - int __net_init fib_proc_init(struct net *net) - { -- if (!proc_create("fib_trie", S_IRUGO, net->proc_net, &fib_trie_fops)) -+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED) && -+ !proc_create("fib_trie", S_IRUGO, net->proc_net, &fib_trie_fops)) - goto out1; - -- if (!proc_create("fib_triestat", S_IRUGO, net->proc_net, -+ if (!IS_ENABLED(CONFIG_PROC_STRIPPED) && -+ !proc_create("fib_triestat", S_IRUGO, net->proc_net, - &fib_triestat_fops)) - goto out2; - -@@ -2690,17 +2692,21 @@ 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 -@@ -565,6 +565,9 @@ 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 -@@ -423,6 +423,9 @@ 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); - } - |