--- a/fs/locks.c +++ b/fs/locks.c @@ -2611,6 +2611,8 @@ 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 @@ -71,3 +71,8 @@ config PROC_PAGE_MONITOR /proc/pid/smaps, /proc/pid/clear_refs, /proc/pid/pagemap, /proc/kpagecount, and /proc/kpageflags. Disabling these interfaces will reduce the size of the kernel by approximately 4kb. + +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 @@ -143,7 +143,10 @@ 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; @@ -160,6 +163,9 @@ 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; @@ -174,6 +180,9 @@ 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/kernel/exec_domain.c +++ b/kernel/exec_domain.c @@ -176,6 +176,8 @@ 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 @@ -330,6 +330,9 @@ 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; @@ -379,6 +382,9 @@ 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 @@ -414,6 +420,9 @@ 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 @@ -362,6 +362,8 @@ 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); if (!pe) return -ENOMEM; --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2662,6 +2662,8 @@ 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 @@ -1424,10 +1424,12 @@ 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/sock.c +++ b/net/core/sock.c @@ -2934,6 +2934,8 @@ 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 @@ -2490,10 +2490,12 @@ 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; @@ -2503,17 +2505,21 @@ 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 @@ -524,6 +524,9 @@ 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 @@ -416,6 +416,9 @@ 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); } --- a/ipc/msg.c +++ b/ipc/msg.c @@ -1072,6 +1072,9 @@ void __init msg_init(void) printk(KERN_INFO "msgmni has been set to %d\n", init_ipc_ns.msg_ctlmni); + 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 @@ -191,6 +191,8 @@ 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 @@ -161,6 +161,9 @@ 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/net/core/net-procfs.c +++ b/net/core/net-procfs.c @@ -318,10 +318,12 @@ 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)) @@ -330,9 +332,11 @@ 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; @@ -342,8 +346,10 @@ 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); } ef='#n181'>181 182 183 184 185 186 187 188 
#
# Copyright (C) 2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

VIRTUAL_MENU:=Virtualization Support

define KernelPackage/virtio-balloon
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=VirtIO balloon driver
  DEPENDS:=@TARGET_x86_kvm_guest
  KCONFIG:=CONFIG_VIRTIO_BALLOON
  FILES:=$(LINUX_DIR)/drivers/virtio/virtio_balloon.ko
  AUTOLOAD:=$(call AutoLoad,06,virtio-balloon)
endef

define KernelPackage/virtio-balloon/description
 Kernel module for VirtIO memory ballooning support
endef

$(eval $(call KernelPackage,virtio-balloon))


define KernelPackage/virtio-net
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=VirtIO network driver
  DEPENDS:=@TARGET_x86_kvm_guest
  KCONFIG:=CONFIG_VIRTIO_NET
  FILES:=$(LINUX_DIR)/drivers/net/virtio_net.ko
  AUTOLOAD:=$(call AutoLoad,50,virtio_net)
endef

define KernelPackage/virtio-net/description
 Kernel module for the VirtIO paravirtualized network device
endef

$(eval $(call KernelPackage,virtio-net))


define KernelPackage/virtio-random
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=VirtIO Random Number Generator support
  DEPENDS:=@TARGET_x86_kvm_guest
  KCONFIG:=CONFIG_HW_RANDOM_VIRTIO
  FILES:=$(LINUX_DIR)/drivers/char/hw_random/virtio-rng.ko
  AUTOLOAD:=$(call AutoLoad,09,virtio-rng)
endef

define KernelPackage/virtio-random/description
 Kernel module for the VirtIO Random Number Generator
endef

$(eval $(call KernelPackage,virtio-random))


define KernelPackage/xen-privcmd
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=Xen private commands
  DEPENDS:=@TARGET_x86_xen_domu
  KCONFIG:=CONFIG_XEN_PRIVCMD
  FILES:=$(LINUX_DIR)/drivers/xen/xen-privcmd.ko
  AUTOLOAD:=$(call AutoLoad,04,xen-privcmd)
endef

define KernelPackage/xen-privcmd/description
 Kernel module for Xen private commands
endef

$(eval $(call KernelPackage,xen-privcmd))


define KernelPackage/xen-fs
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=Xen filesystem
  DEPENDS:=@TARGET_x86_xen_domu +kmod-xen-privcmd
  KCONFIG:= \
  	CONFIG_XENFS \
  	CONFIG_XEN_COMPAT_XENFS=y
  FILES:=$(LINUX_DIR)/drivers/xen/xenfs/xenfs.ko
  AUTOLOAD:=$(call AutoLoad,05,xenfs)
endef

define KernelPackage/xen-fs/description
 Kernel module for the Xen filesystem
endef

$(eval $(call KernelPackage,xen-fs))


define KernelPackage/xen-evtchn
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=Xen event channels
  DEPENDS:=@TARGET_x86_xen_domu
  KCONFIG:=CONFIG_XEN_DEV_EVTCHN
  FILES:=$(LINUX_DIR)/drivers/xen/xen-evtchn.ko
  AUTOLOAD:=$(call AutoLoad,06,xen-evtchn)
endef

define KernelPackage/xen-evtchn/description
 Kernel module for the /dev/xen/evtchn device
endef

$(eval $(call KernelPackage,xen-evtchn))

define KernelPackage/xen-fbdev
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=Xen virtual frame buffer
  DEPENDS:=@TARGET_x86_xen_domu +kmod-fb
  KCONFIG:= \
  	CONFIG_XEN_FBDEV_FRONTEND \
  	CONFIG_FB_DEFERRED_IO=y \
  	CONFIG_FB_SYS_COPYAREA \
  	CONFIG_FB_SYS_FILLRECT \
  	CONFIG_FB_SYS_FOPS \
  	CONFIG_FB_SYS_IMAGEBLIT \
  	CONFIG_FIRMWARE_EDID=n
  FILES:= \
  	$(LINUX_DIR)/drivers/video/xen-fbfront.ko \
  	$(LINUX_DIR)/drivers/video/syscopyarea.ko \
  	$(LINUX_DIR)/drivers/video/sysfillrect.ko \
  	$(LINUX_DIR)/drivers/video/fb_sys_fops.ko \
  	$(LINUX_DIR)/drivers/video/sysimgblt.ko
  AUTOLOAD:=$(call AutoLoad,07, \
  	fb \
  	syscopyarea \
  	sysfillrect \
  	fb_sys_fops \
  	sysimgblt \
  	xen-fbfront \
  )
endef

define KernelPackage/xen-fbdev/description
 Kernel module for the Xen virtual frame buffer
endef

$(eval $(call KernelPackage,xen-fbdev))


define KernelPackage/xen-kbddev
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=Xen virtual keyboard and mouse
  DEPENDS:=@TARGET_x86_xen_domu +kmod-input-core
  KCONFIG:=CONFIG_INPUT_MISC=y \
	CONFIG_INPUT_XEN_KBDDEV_FRONTEND
  FILES:=$(LINUX_DIR)/drivers/input/xen-kbdfront.ko
  AUTOLOAD:=$(call AutoLoad,08,xen-kbdfront)
endef

define KernelPackage/xen-kbddev/description
 Kernel module for the Xen virtual keyboard and mouse
endef

$(eval $(call KernelPackage,xen-kbddev))


define KernelPackage/xen-netdev
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=Xen network device frontend
  DEPENDS:=@TARGET_x86_xen_domu
  KCONFIG:=CONFIG_XEN_NETDEV_FRONTEND
  FILES:=$(LINUX_DIR)/drivers/net/xen-netfront.ko
  AUTOLOAD:=$(call AutoLoad,09,xen-netfront)
endef

define KernelPackage/xen-netdev/description
 Kernel module for the Xen network device frontend
endef

$(eval $(call KernelPackage,xen-netdev))


define KernelPackage/xen-pcidev
  SUBMENU:=$(VIRTUAL_MENU)
  TITLE:=Xen PCI device frontend
  DEPENDS:=@TARGET_x86_xen_domu
  KCONFIG:=CONFIG_XEN_PCIDEV_FRONTEND
  FILES:=$(LINUX_DIR)/drivers/pci/xen-pcifront.ko
  AUTOLOAD:=$(call AutoLoad,10,xen-pcifront)
endef

define KernelPackage/xen-pcidev/description
 Kernel module for the Xen network device frontend
endef

$(eval $(call KernelPackage,xen-pcidev))
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-29 00:32:18 +0000