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config/Config-kernel.in: sync with openwrt, 2019.09

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The-BB committed Sep 20, 2019
1 parent aa54a0f commit 5b661d887560525c31467ebfdb4e8a2b4d60deb3
Showing with 57 additions and 48 deletions.
  1. +57 −48 config/Config-kernel.in
@@ -6,6 +6,7 @@

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
@@ -14,6 +15,7 @@ config KERNEL_BUILD_USER

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
@@ -52,6 +54,24 @@ config KERNEL_ARM_PMU
default n
depends on (arm || aarch64)

config KERNEL_X86_VSYSCALL_EMULATION
bool "Enable vsyscall emulation"
default n
depends on x86_64
help
This enables emulation of the legacy vsyscall page. Disabling
it is roughly equivalent to booting with vsyscall=none, except
that it will also disable the helpful warning if a program
tries to use a vsyscall. With this option set to N, offending
programs will just segfault, citing addresses of the form
0xffffffffff600?00.

This option is required by many programs built before 2013, and
care should be used even with newer programs if set to N.

Disabling this option saves about 7K of kernel size and
possibly 4K of additional runtime pagetable memory.

config KERNEL_PERF_EVENTS
bool "Compile the kernel with performance events and counters"
default n
@@ -198,15 +218,15 @@ config KERNEL_KPROBE_EVENTS

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"
default n
default y if !SMALL_FLASH

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"
@@ -320,7 +340,7 @@ config KERNEL_ENCRYPTED_KEYS

config KERNEL_CGROUPS
bool "Enable kernel cgroups"
default n
default y if !SMALL_FLASH

if KERNEL_CGROUPS

@@ -359,7 +379,7 @@ if KERNEL_CGROUPS

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
@@ -373,14 +393,14 @@ if KERNEL_CGROUPS

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"
default n
default y if !SMALL_FLASH
help
This option enables controller independent resource accounting
infrastructure that works with cgroups.
@@ -391,7 +411,7 @@ if KERNEL_CGROUPS

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
@@ -449,7 +469,7 @@ if KERNEL_CGROUPS

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
@@ -470,7 +490,7 @@ if KERNEL_CGROUPS

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
@@ -480,7 +500,7 @@ if KERNEL_CGROUPS

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"
@@ -495,7 +515,7 @@ if KERNEL_CGROUPS

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
@@ -561,7 +581,7 @@ endif

config KERNEL_NAMESPACES
bool "Enable kernel namespaces"
default n
default y if !SMALL_FLASH

if KERNEL_NAMESPACES

@@ -603,51 +623,40 @@ if KERNEL_NAMESPACES

endif

#
# LXC related symbols
#

config KERNEL_LXC_MISC
bool "Enable miscellaneous LXC related options"
default n

if KERNEL_LXC_MISC

config KERNEL_DEVPTS_MULTIPLE_INSTANCES
bool "Support multiple instances of devpts"
default y
help
Enable support for multiple instances of devpts filesystem.
If you want to have isolated PTY namespaces (eg: in containers),
say Y here. Otherwise, say N. If enabled, each mount of devpts
filesystem with the '-o newinstance' option will create an
independent PTY namespace.

config KERNEL_POSIX_MQUEUE
bool "POSIX Message Queues"
default y
help
POSIX variant of message queues is a part of IPC. In POSIX message
queues every message has a priority which decides about succession
of receiving it by a process. If you want to compile and run
programs written e.g. for Solaris with use of its POSIX message
queues (functions mq_*) say Y here.
config KERNEL_DEVPTS_MULTIPLE_INSTANCES
bool "Support multiple instances of devpts"
default y if !SMALL_FLASH
help
Enable support for multiple instances of devpts filesystem.
If you want to have isolated PTY namespaces (eg: in containers),
say Y here. Otherwise, say N. If enabled, each mount of devpts
filesystem with the '-o newinstance' option will create an
independent PTY namespace.

config KERNEL_POSIX_MQUEUE
bool "POSIX Message Queues"
default y if !SMALL_FLASH
help
POSIX variant of message queues is a part of IPC. In POSIX message
queues every message has a priority which decides about succession
of receiving it by a process. If you want to compile and run
programs written e.g. for Solaris with use of its POSIX message
queues (functions mq_*) say Y here.

POSIX message queues are visible as a filesystem called 'mqueue'
and can be mounted somewhere if you want to do filesystem
operations on message queues.
POSIX message queues are visible as a filesystem called 'mqueue'
and can be mounted somewhere if you want to do filesystem
operations on message queues.

endif

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
default n
default y if !SMALL_FLASH
help
Build kernel with support for seccomp.

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