buildroot: add options to build the kernel for NFS boot

[openwrt/openwrt.git] / config / Config-kernel.in

diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index 84711298a61b2a497ffc3388e5e0228c2fb2671d..8ea11ed4d1f3b8de7e9a08605aa9ebc1bb1c3d5d 100644 (file)
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -4,6 +4,22 @@
 # 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
@@ -103,7 +119,7 @@ config KERNEL_DEBUG_LL
        help
          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
@@ -127,6 +143,23 @@ config KERNEL_EARLY_PRINTK
          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
@@ -248,6 +281,13 @@ 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
@@ -283,7 +323,7 @@ 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)
@@ -527,3 +567,60 @@ config KERNEL_SECCOMP
                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