'def_bool X' is a shorthand for 'bool' plus 'default X'.
'def_bool' is redundant where 'bool' is already present, so 'def_bool X'
can be replaced with 'default X', or removed if X is 'n'.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
def_bool y if !MODULES || UBSAN || FTRACE || COMPILE_TEST
config MLONGCALLS
- def_bool y if PARISC_HUGE_KERNEL
bool "Enable the -mlong-calls compiler option for big kernels" if !PARISC_HUGE_KERNEL
depends on PA8X00
+ default PARISC_HUGE_KERNEL
help
If you configure the kernel to include many drivers built-in instead
as modules, the kernel executable may become too big, so that the
Enabling this option will probably slow down your kernel.
config 64BIT
- def_bool y if "$(ARCH)" = "parisc64"
bool "64-bit kernel" if "$(ARCH)" = "parisc"
depends on PA8X00
+ default "$(ARCH)" = "parisc64"
help
Enable this if you want to support 64bit kernel on PA-RISC platform.
menuconfig RUNTIME_KERNEL_TESTING_MENU
bool "arch/riscv/kernel runtime Testing"
- def_bool y
+ default y
help
Enable riscv kernel runtime testing.
will be called kvm-amd.
config KVM_AMD_SEV
- def_bool y
bool "AMD Secure Encrypted Virtualization (SEV) support"
+ default y
depends on KVM_AMD && X86_64
depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m)
help
bool "Xen PVH guest support"
depends on XEN && XEN_PVHVM && ACPI
select PVH
- def_bool n
help
Support for running as a Xen PVH guest.
config ACPI_REDUCED_HARDWARE_ONLY
bool "Hardware-reduced ACPI support only" if EXPERT
- def_bool n
help
This config item changes the way the ACPI code is built. When this
option is selected, the kernel will use a specialized version of
the default value.
config INTEL_IOMMU_PERF_EVENTS
- def_bool y
bool "Intel IOMMU performance events"
+ default y
depends on INTEL_IOMMU && PERF_EVENTS
help
Selecting this option will enable the performance monitoring
If unsure, say N.
config DM_VERITY_VERIFY_ROOTHASH_SIG
- def_bool n
bool "Verity data device root hash signature verification support"
depends on DM_VERITY
select SYSTEM_DATA_VERIFICATION
config SGETMASK_SYSCALL
bool "sgetmask/ssetmask syscalls support" if EXPERT
- def_bool PARISC || M68K || PPC || MIPS || X86 || SPARC || MICROBLAZE || SUPERH
+ default PARISC || M68K || PPC || MIPS || X86 || SPARC || MICROBLAZE || SUPERH
help
sys_sgetmask and sys_ssetmask are obsolete system calls
no longer supported in libc but still enabled by default in some
menuconfig RUNTIME_TESTING_MENU
bool "Runtime Testing"
- def_bool y
+ default y
if RUNTIME_TESTING_MENU
# support for memory balloon compaction
config BALLOON_COMPACTION
bool "Allow for balloon memory compaction/migration"
- def_bool y
+ default y
depends on COMPACTION && MEMORY_BALLOON
help
Memory fragmentation introduced by ballooning might reduce
# support for memory compaction
config COMPACTION
bool "Allow for memory compaction"
- def_bool y
+ default y
select MIGRATION
depends on MMU
help
# support for free page reporting
config PAGE_REPORTING
bool "Free page reporting"
- def_bool n
help
Free page reporting allows for the incremental acquisition of
free pages from the buddy allocator for the purpose of reporting
#
config MIGRATION
bool "Page migration"
- def_bool y
+ default y
depends on (NUMA || ARCH_ENABLE_MEMORY_HOTREMOVE || COMPACTION || CMA) && MMU
help
Allows the migration of the physical location of pages of processes
config IP_DCCP_CCID3
bool "CCID-3 (TCP-Friendly)"
- def_bool y if (IP_DCCP = y || IP_DCCP = m)
+ default IP_DCCP = y || IP_DCCP = m
help
CCID-3 denotes TCP-Friendly Rate Control (TFRC), an equation-based
rate-controlled congestion control mechanism. TFRC is designed to