Make linux kernel builds reproducible when BUILDBOT selected

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

diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index 678323efa1497003cb9356e46fb3fba020d1851f..eeda3e1b6f49b5455e517c1bbb20129a30ee3201 100644 (file)
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -6,6 +6,7 @@
 
 config KERNEL_BUILD_USER
        string "Custom Kernel Build User Name"
 
 config KERNEL_BUILD_USER
        string "Custom Kernel Build User Name"

+       default "builder" if BUILDBOT

        default ""
        help
          Sets the Kernel build user string, which for example will be returned
        default ""
        help
          Sets the Kernel build user string, which for example will be returned


@@ -14,6 +15,7 @@ config KERNEL_BUILD_USER
 
 config KERNEL_BUILD_DOMAIN
        string "Custom Kernel Build Domain Name"
 
 config KERNEL_BUILD_DOMAIN
        string "Custom Kernel Build Domain Name"

+       default "buildhost" if BUILDBOT

        default ""
        help
          Sets the Kernel build domain string, which for example will be
        default ""
        help
          Sets the Kernel build domain string, which for example will be


@@ -31,7 +33,7 @@ config KERNEL_CRASHLOG
 
 config KERNEL_SWAP
        bool "Support for paging of anonymous memory (swap)"
 
 config KERNEL_SWAP
        bool "Support for paging of anonymous memory (swap)"

-       default y
+       default y if !SMALL_FLASH

 
 config KERNEL_DEBUG_FS
        bool "Compile the kernel with debug filesystem enabled"
 
 config KERNEL_DEBUG_FS
        bool "Compile the kernel with debug filesystem enabled"


@@ -42,15 +44,20 @@ config KERNEL_DEBUG_FS
          write to these files. Many common debugging facilities, such as
          ftrace, require the existence of debugfs.
 
          write to these files. Many common debugging facilities, such as
          ftrace, require the existence of debugfs.
 

+config KERNEL_MIPS_FPU_EMULATOR
+       bool "Compile the kernel with MIPS FPU Emulator"
+       default y if TARGET_pistachio
+       depends on (mips || mipsel || mips64 || mips64el)
+

 config KERNEL_ARM_PMU
        bool
        default n
 config KERNEL_ARM_PMU
        bool
        default n

-       depends on (arm || arm64)
+       depends on (arm || aarch64)

 
 config KERNEL_PERF_EVENTS
        bool "Compile the kernel with performance events and counters"
        default n
 
 config KERNEL_PERF_EVENTS
        bool "Compile the kernel with performance events and counters"
        default n

-       select KERNEL_ARM_PMU if (arm || arm64)
+       select KERNEL_ARM_PMU if (arm || aarch64)

 
 config KERNEL_PROFILING
        bool "Compile the kernel with profiling enabled"
 
 config KERNEL_PROFILING
        bool "Compile the kernel with profiling enabled"


@@ -60,6 +67,27 @@ config KERNEL_PROFILING
          Enable the extended profiling support mechanisms used by profilers such
          as OProfile.
 
          Enable the extended profiling support mechanisms used by profilers such
          as OProfile.
 

+config KERNEL_TASKSTATS
+       bool "Compile the kernel with task resource/io statistics and accounting"
+       default n
+       help
+         Enable the collection and publishing of task/io statistics and
+         accounting.  Enable this option to enable i/o monitoring in system
+         monitors.
+
+if KERNEL_TASKSTATS
+
+       config KERNEL_TASK_DELAY_ACCT
+               def_bool y
+
+       config KERNEL_TASK_IO_ACCOUNTING
+               def_bool y
+
+       config KERNEL_TASK_XACCT
+               def_bool y
+
+endif
+

 config KERNEL_KALLSYMS
        bool "Compile the kernel with symbol table information"
        default y if !SMALL_FLASH
 config KERNEL_KALLSYMS
        bool "Compile the kernel with symbol table information"
        default y if !SMALL_FLASH


@@ -107,7 +135,7 @@ config KERNEL_DEBUG_KERNEL
 
 config KERNEL_DEBUG_INFO
        bool "Compile the kernel with debug information"
 
 config KERNEL_DEBUG_INFO
        bool "Compile the kernel with debug information"

-       default y
+       default y if !SMALL_FLASH

        select KERNEL_DEBUG_KERNEL
        help
          This will compile your kernel and modules with debug information.
        select KERNEL_DEBUG_KERNEL
        help
          This will compile your kernel and modules with debug information.


@@ -166,17 +194,21 @@ config KERNEL_KPROBE_EVENT
        bool
        default y if KERNEL_KPROBES
 
        bool
        default y if KERNEL_KPROBES
 

+config KERNEL_KPROBE_EVENTS
+       bool
+       default y if KERNEL_KPROBES
+

 config KERNEL_AIO
        bool "Compile the kernel with asynchronous IO support"
 config KERNEL_AIO
        bool "Compile the kernel with asynchronous IO support"

-       default n
+       default y if !SMALL_FLASH

 
 config KERNEL_FHANDLE
        bool "Compile the kernel with support for fhandle syscalls"
 
 config KERNEL_FHANDLE
        bool "Compile the kernel with support for fhandle syscalls"

-       default n
+       default y if !SMALL_FLASH

 
 config KERNEL_FANOTIFY
        bool "Compile the kernel with modern file notification support"
 
 config KERNEL_FANOTIFY
        bool "Compile the kernel with modern file notification support"

-       default n
+       default y if !SMALL_FLASH

 
 config KERNEL_BLK_DEV_BSG
        bool "Compile the kernel with SCSI generic v4 support for any block device"
 
 config KERNEL_BLK_DEV_BSG
        bool "Compile the kernel with SCSI generic v4 support for any block device"


@@ -200,7 +232,7 @@ config KERNEL_COREDUMP
 config KERNEL_ELF_CORE
        bool "Enable process core dump support"
        select KERNEL_COREDUMP
 config KERNEL_ELF_CORE
        bool "Enable process core dump support"
        select KERNEL_COREDUMP

-       default y
+       default y if !SMALL_FLASH

 
 config KERNEL_PROVE_LOCKING
        bool "Enable kernel lock checking"
 
 config KERNEL_PROVE_LOCKING
        bool "Enable kernel lock checking"


@@ -290,7 +322,7 @@ config KERNEL_ENCRYPTED_KEYS
 
 config KERNEL_CGROUPS
        bool "Enable kernel cgroups"
 
 config KERNEL_CGROUPS
        bool "Enable kernel cgroups"

-       default n
+       default y if !SMALL_FLASH

 
 if KERNEL_CGROUPS
 
 
 if KERNEL_CGROUPS
 


@@ -329,7 +361,7 @@ if KERNEL_CGROUPS
 
        config KERNEL_CPUSETS
                bool "Cpuset support"
 
        config KERNEL_CPUSETS
                bool "Cpuset support"

-               default n
+               default y if !SMALL_FLASH

                help
                  This option will let you create and manage CPUSETs which
                  allow dynamically partitioning a system into sets of CPUs and
                help
                  This option will let you create and manage CPUSETs which
                  allow dynamically partitioning a system into sets of CPUs and


@@ -343,14 +375,14 @@ if KERNEL_CGROUPS
 
        config KERNEL_CGROUP_CPUACCT
                bool "Simple CPU accounting cgroup subsystem"
 
        config KERNEL_CGROUP_CPUACCT
                bool "Simple CPU accounting cgroup subsystem"

-               default n
+               default y if !SMALL_FLASH

                help
                  Provides a simple Resource Controller for monitoring the
                  total CPU consumed by the tasks in a cgroup.
 
        config KERNEL_RESOURCE_COUNTERS
                bool "Resource counters"
                help
                  Provides a simple Resource Controller for monitoring the
                  total CPU consumed by the tasks in a cgroup.
 
        config KERNEL_RESOURCE_COUNTERS
                bool "Resource counters"

-               default n
+               default y if !SMALL_FLASH

                help
                  This option enables controller independent resource accounting
                  infrastructure that works with cgroups.
                help
                  This option enables controller independent resource accounting
                  infrastructure that works with cgroups.


@@ -361,7 +393,7 @@ if KERNEL_CGROUPS
 
        config KERNEL_MEMCG
                bool "Memory Resource Controller for Control Groups"
 
        config KERNEL_MEMCG
                bool "Memory Resource Controller for Control Groups"

-               default n
+               default y if !SMALL_FLASH

                depends on KERNEL_RESOURCE_COUNTERS || !LINUX_3_18
                help
                  Provides a memory resource controller that manages both anonymous
                depends on KERNEL_RESOURCE_COUNTERS || !LINUX_3_18
                help
                  Provides a memory resource controller that manages both anonymous


@@ -419,7 +451,7 @@ if KERNEL_CGROUPS
 
        config KERNEL_MEMCG_KMEM
                bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
 
        config KERNEL_MEMCG_KMEM
                bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"

-               default n
+               default y if !SMALL_FLASH

                depends on KERNEL_MEMCG
                help
                  The Kernel Memory extension for Memory Resource Controller can limit
                depends on KERNEL_MEMCG
                help
                  The Kernel Memory extension for Memory Resource Controller can limit


@@ -440,7 +472,7 @@ if KERNEL_CGROUPS
 
        menuconfig KERNEL_CGROUP_SCHED
                bool "Group CPU scheduler"
 
        menuconfig KERNEL_CGROUP_SCHED
                bool "Group CPU scheduler"

-               default n
+               default y if !SMALL_FLASH

                help
                  This feature lets CPU scheduler recognize task groups and control CPU
                  bandwidth allocation to such task groups. It uses cgroups to group
                help
                  This feature lets CPU scheduler recognize task groups and control CPU
                  bandwidth allocation to such task groups. It uses cgroups to group


@@ -450,7 +482,7 @@ if KERNEL_CGROUPS
 
                config KERNEL_FAIR_GROUP_SCHED
                        bool "Group scheduling for SCHED_OTHER"
 
                config KERNEL_FAIR_GROUP_SCHED
                        bool "Group scheduling for SCHED_OTHER"

-                       default n
+                       default y if !SMALL_FLASH

 
                config KERNEL_CFS_BANDWIDTH
                        bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED"
 
                config KERNEL_CFS_BANDWIDTH
                        bool "CPU bandwidth provisioning for FAIR_GROUP_SCHED"


@@ -465,7 +497,7 @@ if KERNEL_CGROUPS
 
                config KERNEL_RT_GROUP_SCHED
                        bool "Group scheduling for SCHED_RR/FIFO"
 
                config KERNEL_RT_GROUP_SCHED
                        bool "Group scheduling for SCHED_RR/FIFO"

-                       default n
+                       default y if !SMALL_FLASH

                        help
                          This feature lets you explicitly allocate real CPU bandwidth
                          to task groups. If enabled, it will also make it impossible to
                        help
                          This feature lets you explicitly allocate real CPU bandwidth
                          to task groups. If enabled, it will also make it impossible to


@@ -493,6 +525,20 @@ if KERNEL_CGROUPS
                  CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
                  CONFIG_BLK_DEV_THROTTLING=y.
 
                  CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
                  CONFIG_BLK_DEV_THROTTLING=y.
 

+       if KERNEL_BLK_CGROUP
+
+               config KERNEL_CFQ_GROUP_IOSCHED
+                       bool "Proportional weight of disk bandwidth in CFQ"
+
+               config KERNEL_BLK_DEV_THROTTLING
+                       bool "Enable throttling policy"
+                       default y if TARGET_brcm2708
+
+               config KERNEL_BLK_DEV_THROTTLING_LOW
+                       bool "Block throttling .low limit interface support (EXPERIMENTAL)"
+                       depends on KERNEL_BLK_DEV_THROTTLING
+       endif
+

        config KERNEL_DEBUG_BLK_CGROUP
                bool "Enable Block IO controller debugging"
                default n
        config KERNEL_DEBUG_BLK_CGROUP
                bool "Enable Block IO controller debugging"
                default n


@@ -517,7 +563,7 @@ endif
 
 config KERNEL_NAMESPACES
        bool "Enable kernel namespaces"
 
 config KERNEL_NAMESPACES
        bool "Enable kernel namespaces"

-       default n
+       default y if !SMALL_FLASH

 
 if KERNEL_NAMESPACES
 
 
 if KERNEL_NAMESPACES
 


@@ -565,7 +611,7 @@ endif
 
 config KERNEL_LXC_MISC
        bool "Enable miscellaneous LXC related options"
 
 config KERNEL_LXC_MISC
        bool "Enable miscellaneous LXC related options"

-       default n
+       default y if !SMALL_FLASH

 
 if KERNEL_LXC_MISC
 
 
 if KERNEL_LXC_MISC
 


@@ -597,16 +643,27 @@ endif
 
 config KERNEL_SECCOMP_FILTER
        bool
 
 config KERNEL_SECCOMP_FILTER
        bool

-       default n
+       default y if !SMALL_FLASH

 
 config KERNEL_SECCOMP
        bool "Enable seccomp support"
                depends on !(TARGET_uml)
                select KERNEL_SECCOMP_FILTER
 
 config KERNEL_SECCOMP
        bool "Enable seccomp support"
                depends on !(TARGET_uml)
                select KERNEL_SECCOMP_FILTER

-               default n
+               default y if !SMALL_FLASH

                help
                  Build kernel with support for seccomp.
 
                help
                  Build kernel with support for seccomp.
 

+#
+# IPv4 configuration
+#
+
+config KERNEL_IP_MROUTE
+       bool "Enable IPv4 multicast routing"
+       default y
+       help
+         Multicast routing requires a multicast routing daemon in
+         addition to kernel support.
+

 #
 # IPv6 configuration
 #
 #
 # IPv6 configuration
 #


@@ -623,7 +680,11 @@ if KERNEL_IPV6
                def_bool y
 
        config KERNEL_IPV6_MROUTE
                def_bool y
 
        config KERNEL_IPV6_MROUTE

-               def_bool y
+               bool "Enable IPv6 multicast routing"
+               default y
+               help
+                 Multicast routing requires a multicast routing daemon in
+                 addition to kernel support.

 
        config KERNEL_IPV6_PIMSM_V2
                def_bool n
 
        config KERNEL_IPV6_PIMSM_V2
                def_bool n


@@ -765,3 +826,30 @@ config KERNEL_DEVKMEM
          Say Y here if you want to support the /dev/kmem device. The
          /dev/kmem device is rarely used, but can be used for certain
          kind of kernel debugging operations.
          Say Y here if you want to support the /dev/kmem device. The
          /dev/kmem device is rarely used, but can be used for certain
          kind of kernel debugging operations.

+
+config KERNEL_SQUASHFS_FRAGMENT_CACHE_SIZE
+       int "Number of squashfs fragments cached"
+       default 2 if (SMALL_FLASH && !LOW_MEMORY_FOOTPRINT)
+       default 3
+
+#
+# compile optimiziation setting
+#
+choice
+       prompt "Compiler optimization level"
+       default KERNEL_CC_OPTIMIZE_FOR_SIZE if SMALL_FLASH
+
+config KERNEL_CC_OPTIMIZE_FOR_PERFORMANCE
+       bool "Optimize for performance"
+       help
+         This is the default optimization level for the kernel, building
+         with the "-O2" compiler flag for best performance and most
+         helpful compile-time warnings.
+
+config KERNEL_CC_OPTIMIZE_FOR_SIZE
+       bool "Optimize for size"
+       help
+         Enabling this option will pass "-Os" instead of "-O2" to
+         your compiler resulting in a smaller kernel.
+
+endchoice