X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fopenwrt.git;a=blobdiff_plain;f=config%2FConfig-kernel.in;h=b9aaac50f72749d81116b3780aa69a57373f060c;hp=dd83cf9e7c051e9efb633a2b036ab306f2cd754f;hb=21f460a5dbef5e3ec59e2032b5b113fe045b475f;hpb=76133009c90284c6c0eab59207f01980a3222213 diff --git a/config/Config-kernel.in b/config/Config-kernel.in index dd83cf9e7c..b9aaac50f7 100644 --- a/config/Config-kernel.in +++ b/config/Config-kernel.in @@ -4,13 +4,29 @@ # See /LICENSE for more information. # +config KERNEL_BUILD_USER + string "Custom Kernel Build User Name" + default "" + help + Sets the Kernel build user string, which for example will be returned + by 'uname -a' on running systems. + If not set, uses system user at build time. + +config KERNEL_BUILD_DOMAIN + string "Custom Kernel Build Domain Name" + default "" + help + Sets the Kernel build domain string, which for example will be + returned by 'uname -a' on running systems. + If not set, uses system hostname at build time. + config KERNEL_PRINTK bool "Enable support for printk" default y config KERNEL_CRASHLOG bool "Crash logging" - depends on !(arm || powerpc || sparc) + depends on !(arm || powerpc || sparc || TARGET_uml) default y config KERNEL_SWAP @@ -18,16 +34,23 @@ config KERNEL_SWAP default y config KERNEL_DEBUG_FS - bool "Compile the kernel with Debug FileSystem enabled" + bool "Compile the kernel with debug filesystem enabled" default y help debugfs is a virtual file system that kernel developers use to put debugging files into. Enable this option to be able to read and - write to these files. + write to these files. Many common debugging facilities, such as + ftrace, require the existence of debugfs. + +config KERNEL_ARM_PMU + bool + default n + depends on (arm || arm64) config KERNEL_PERF_EVENTS bool default n + select KERNEL_ARM_PMU if (arm || arm64) config KERNEL_PROFILING bool "Compile the kernel with profiling enabled" @@ -39,12 +62,13 @@ config KERNEL_PROFILING config KERNEL_KALLSYMS bool "Compile the kernel with symbol table information" - default y + default y if !SMALL_FLASH help - This will give you more information in stack traces from kernel oopses + This will give you more information in stack traces from kernel oopses. config KERNEL_FTRACE bool "Compile the kernel with tracing support" + depends on !TARGET_uml default n config KERNEL_FTRACE_SYSCALLS @@ -57,6 +81,26 @@ config KERNEL_ENABLE_DEFAULT_TRACERS depends on KERNEL_FTRACE default n +config KERNEL_FUNCTION_TRACER + bool "Function tracer" + depends on KERNEL_FTRACE + default n + +config KERNEL_FUNCTION_GRAPH_TRACER + bool "Function graph tracer" + depends on KERNEL_FUNCTION_TRACER + default n + +config KERNEL_DYNAMIC_FTRACE + bool "Enable/disable function tracing dynamically" + depends on KERNEL_FUNCTION_TRACER + default n + +config KERNEL_FUNCTION_PROFILER + bool "Function profiler" + depends on KERNEL_FUNCTION_TRACER + default n + config KERNEL_DEBUG_KERNEL bool default n @@ -79,9 +123,9 @@ config KERNEL_DEBUG_LL depends on arm select KERNEL_DEBUG_LL_UART_NONE help - ARM low level debugging + ARM low level debugging. -config KERNEL_DYNAMIC_DEBUG +config KERNEL_DYNAMIC_DEBUG bool "Compile the kernel with dynamic printk" select KERNEL_DEBUG_FS default n @@ -95,16 +139,33 @@ config KERNEL_DYNAMIC_DEBUG config KERNEL_EARLY_PRINTK bool "Compile the kernel with early printk" + default y if TARGET_bcm53xx default n depends on arm select KERNEL_DEBUG_KERNEL select KERNEL_DEBUG_LL if arm help - Compile the kernel with early printk support. - This is only useful for debugging purposes to send messages - over the serial console in early boot. + Compile the kernel with early printk support. This is only useful for + debugging purposes to send messages over the serial console in early boot. Enable this to debug early boot problems. +config KERNEL_KPROBES + bool "Compile the kernel with kprobes support" + default n + select KERNEL_FTRACE + select KERNEL_PERF_EVENTS + help + Compiles the kernel with KPROBES support, which allows you to trap + at almost any kernel address and execute a callback function. + register_kprobe() establishes a probepoint and specifies the + callback. Kprobes is useful for kernel debugging, non-intrusive + instrumentation and testing. + If in doubt, say "N". + +config KERNEL_KPROBE_EVENT + bool + default y if KERNEL_KPROBES + config KERNEL_AIO bool "Compile the kernel with asynchronous IO support" default n @@ -113,6 +174,18 @@ config KERNEL_DIRECT_IO bool "Compile the kernel with direct IO support" default n +config KERNEL_FHANDLE + bool "Compile the kernel with support for fhandle syscalls" + default n + +config KERNEL_FANOTIFY + bool "Compile the kernel with modern file notification support" + default n + +config KERNEL_BLK_DEV_BSG + bool "Compile the kernel with SCSI generic v4 support for any block device" + default n + config KERNEL_MAGIC_SYSRQ bool "Compile the kernel with SysRq support" default y @@ -134,6 +207,20 @@ config KERNEL_PRINTK_TIME bool "Enable printk timestamps" default y +config KERNEL_SLUB_DEBUG + bool + +config KERNEL_SLUB_DEBUG_ON + bool + +config KERNEL_SLABINFO + select KERNEL_SLUB_DEBUG + select KERNEL_SLUB_DEBUG_ON + bool "Enable /proc slab debug info" + +config KERNEL_PROC_PAGE_MONITOR + bool "Enable /proc page monitoring" + config KERNEL_RELAY bool @@ -148,6 +235,22 @@ config USE_SPARSE bool "Enable sparse check during kernel build" default n +config KERNEL_DEVTMPFS + bool "Compile the kernel with device tmpfs enabled" + default n + help + devtmpfs is a simple, kernel-managed /dev filesystem. The kernel creates + devices nodes for all registered devices ti simplify boot, but leaves more + complex tasks to userspace (e.g. udev). + +if KERNEL_DEVTMPFS + + config KERNEL_DEVTMPFS_MOUNT + bool "Automatically mount devtmpfs after root filesystem is mounted" + default n + +endif + # # CGROUP support symbols # @@ -172,7 +275,7 @@ if KERNEL_CGROUPS config KERNEL_CGROUP_FREEZER bool "Freezer cgroup subsystem" - default n + default y help Provides a way to freeze and unfreeze all tasks in a cgroup. @@ -184,6 +287,13 @@ if KERNEL_CGROUPS Provides a cgroup implementing whitelists for devices which a process in the cgroup can mknod or open. + config KERNEL_CGROUP_PIDS + bool "PIDs cgroup subsystem" + default y + help + Provides enforcement of process number limits in the scope of a + cgroup. + config KERNEL_CPUSETS bool "Cpuset support" default n @@ -219,7 +329,7 @@ if KERNEL_CGROUPS config KERNEL_MEMCG bool "Memory Resource Controller for Control Groups" default n - depends on KERNEL_RESOURCE_COUNTERS + depends on KERNEL_RESOURCE_COUNTERS || !LINUX_3_18 help Provides a memory resource controller that manages both anonymous memory and page cache. (See Documentation/cgroups/memory.txt) @@ -230,11 +340,11 @@ if KERNEL_CGROUPS usage tracking struct at boot. Total amount of this is printed out at boot. - Only enable when you're ok with these trade offs and really + Only enable when you're ok with these tradeoffs and really sure you need the memory resource controller. Even when you enable this, you can set "cgroup_disable=memory" at your boot option to - disable memory resource controller and you can avoid overheads. - (and lose benefits of memory resource controller) + disable memory resource controller and you can avoid overheads + (but lose benefits of memory resource controller). This config option also selects MM_OWNER config option, which could in turn add some fork/exit overhead. @@ -268,8 +378,9 @@ if KERNEL_CGROUPS which want to enable the feature but keep it disabled by default and let the user enable it by swapaccount boot command line parameter should have this option unselected. - For those who want to have the feature enabled by default should - select this option (if, for some reason, they need to disable it + + Those who want to have the feature enabled by default should + select this option (if, for some reason, they need to disable it, then swapaccount=0 does the trick). @@ -285,12 +396,9 @@ if KERNEL_CGROUPS the kmem extension can use it to guarantee that no group of processes will ever exhaust kernel resources alone. - config KERNEL_PERF_EVENTS - bool - default y if KERNEL_CGROUP_PERF - config KERNEL_CGROUP_PERF bool "Enable perf_event per-cpu per-container group (cgroup) monitoring" + select KERNEL_PERF_EVENTS default n help This option extends the per-cpu mode to restrict monitoring to @@ -384,14 +492,14 @@ if KERNEL_NAMESPACES bool "UTS namespace" default y help - In this namespace tasks see different info provided - with the uname() system call + In this namespace, tasks see different info provided + with the uname() system call. config KERNEL_IPC_NS bool "IPC namespace" default y help - In this namespace tasks work with IPC ids which correspond to + In this namespace, tasks work with IPC ids which correspond to different IPC objects in different namespaces. config KERNEL_USER_NS @@ -453,3 +561,160 @@ if KERNEL_LXC_MISC operations on message queues. endif + +config KERNEL_SECCOMP_FILTER + bool + default n + +config KERNEL_SECCOMP + bool "Enable seccomp support" + depends on !(TARGET_uml) + select KERNEL_SECCOMP_FILTER + default n + help + Build kernel with support for seccomp. + +# +# IPv6 configuration +# + +config KERNEL_IPV6 + def_bool IPV6 + +if KERNEL_IPV6 + + config KERNEL_IPV6_MULTIPLE_TABLES + def_bool y + + config KERNEL_IPV6_SUBTREES + def_bool y + + config KERNEL_IPV6_MROUTE + def_bool y + + config KERNEL_IPV6_PIMSM_V2 + def_bool n + +endif + +# +# NFS related symbols +# +config KERNEL_IP_PNP + bool "Compile the kernel with rootfs on NFS" + help + If you want to make your kernel boot off a NFS server as root + filesystem, select Y here. + +if KERNEL_IP_PNP + + config KERNEL_IP_PNP_DHCP + def_bool y + + config KERNEL_IP_PNP_BOOTP + def_bool n + + config KERNEL_IP_PNP_RARP + def_bool n + + config KERNEL_NFS_FS + def_bool y + + config KERNEL_NFS_V2 + def_bool y + + config KERNEL_NFS_V3 + def_bool y + + config KERNEL_ROOT_NFS + def_bool y + +endif + +menu "Filesystem ACL and attr support options" + config USE_FS_ACL_ATTR + bool "Use filesystem ACL and attr support by default" + default n + help + Make using ACLs (e.g. POSIX ACL, NFSv4 ACL) the default + for kernel and packages, except tmpfs, flash filesystems, + and old NFS. Also enable userspace extended attribute support + by default. (OpenWrt already has an expection it will be + present in the kernel). + + config KERNEL_FS_POSIX_ACL + bool "Enable POSIX ACL support" + default y if USE_FS_ACL_ATTR + + config KERNEL_BTRFS_FS_POSIX_ACL + bool "Enable POSIX ACL for BtrFS Filesystems" + select KERNEL_FS_POSIX_ACL + default y if USE_FS_ACL_ATTR + + config KERNEL_EXT4_FS_POSIX_ACL + bool "Enable POSIX ACL for Ext4 Filesystems" + select KERNEL_FS_POSIX_ACL + default y if USE_FS_ACL_ATTR + + config KERNEL_F2FS_FS_POSIX_ACL + bool "Enable POSIX ACL for F2FS Filesystems" + select KERNEL_FS_POSIX_ACL + default n + + config KERNEL_JFFS2_FS_POSIX_ACL + bool "Enable POSIX ACL for JFFS2 Filesystems" + select KERNEL_FS_POSIX_ACL + default n + + config KERNEL_TMPFS_POSIX_ACL + bool "Enable POSIX ACL for TMPFS Filesystems" + select KERNEL_FS_POSIX_ACL + default n + + config KERNEL_CIFS_ACL + bool "Enable CIFS ACLs" + select KERNEL_FS_POSIX_ACL + default y if USE_FS_ACL_ATTR + + config KERNEL_HFS_FS_POSIX_ACL + bool "Enable POSIX ACL for HFS Filesystems" + select KERNEL_FS_POSIX_ACL + default y if USE_FS_ACL_ATTR + + config KERNEL_HFSPLUG_FS_POSIX_ACL + bool "Enable POSIX ACL for HFS+ Filesystems" + select KERNEL_FS_POSIX_ACL + default y if USE_FS_ACL_ATTR + + config KERNEL_NFS_ACL_SUPPORT + bool "Enable ACLs for NFS" + default y if USE_FS_ACL_ATTR + + config KERNEL_NFS_V3_ACL_SUPPORT + bool "Enable ACLs for NFSv3" + default n + + config KERNEL_NFSD_V2_ACL_SUPPORT + bool "Enable ACLs for NFSDv2" + default n + + config KERNEL_NFSD_V3_ACL_SUPPORT + bool "Enable ACLs for NFSDv3" + default n + + config KERNEL_REISER_FS_POSIX_ACL + bool "Enable POSIX ACLs for ReiserFS" + select KERNEL_FS_POSIX_ACL + default y if USE_FS_ACL_ATTR + + config KERNEL_XFS_POSIX_ACL + bool "Enable POSIX ACLs for XFS" + select KERNEL_FS_POSIX_ACL + default y if USE_FS_ACL_ATTR + + config KERNEL_JFS_POSIX_ACL + bool "Enable POSIX ACLs for JFS" + select KERNEL_FS_POSIX_ACL + default y if USE_FS_ACL_ATTR + +endmenu