config DEBUG_INFO_DWARF5
bool "Generate DWARF Version 5 debuginfo"
- depends on GCC_VERSION >= 50000 || CC_IS_CLANG
- depends on CC_IS_GCC || $(success,$(srctree)/scripts/test_dwarf5_support.sh $(CC) $(CLANG_FLAGS))
+ depends on GCC_VERSION >= 50000 || (CC_IS_CLANG && (AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502)))
depends on !DEBUG_INFO_BTF
help
Generate DWARF v5 debug info. Requires binutils 2.35.2, gcc 5.0+ (gcc
depends on STACK_VALIDATION && DEBUG_ENTRY && !PARAVIRT
default y
+config VMLINUX_MAP
+ bool "Generate vmlinux.map file when linking"
+ depends on EXPERT
+ help
+ Selecting this option will pass "-Map=vmlinux.map" to ld
+ when linking vmlinux. That file can be useful for verifying
+ and debugging magic section games, and for seeing which
+ pieces of code get eliminated with
+ CONFIG_LD_DEAD_CODE_DATA_ELIMINATION.
+
config DEBUG_FORCE_WEAK_PER_CPU
bool "Force weak per-cpu definitions"
depends on DEBUG_KERNEL
bool
depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
select STACKTRACE
- select FRAME_POINTER if !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86
+ depends on FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86
select KALLSYMS
select KALLSYMS_ALL
config LOCKDEP_SMALL
bool
+config LOCKDEP_BITS
+ int "Bitsize for MAX_LOCKDEP_ENTRIES"
+ depends on LOCKDEP && !LOCKDEP_SMALL
+ range 10 30
+ default 15
+ help
+ Try increasing this value if you hit "BUG: MAX_LOCKDEP_ENTRIES too low!" message.
+
+config LOCKDEP_CHAINS_BITS
+ int "Bitsize for MAX_LOCKDEP_CHAINS"
+ depends on LOCKDEP && !LOCKDEP_SMALL
+ range 10 30
+ default 16
+ help
+ Try increasing this value if you hit "BUG: MAX_LOCKDEP_CHAINS too low!" message.
+
+config LOCKDEP_STACK_TRACE_BITS
+ int "Bitsize for MAX_STACK_TRACE_ENTRIES"
+ depends on LOCKDEP && !LOCKDEP_SMALL
+ range 10 30
+ default 19
+ help
+ Try increasing this value if you hit "BUG: MAX_STACK_TRACE_ENTRIES too low!" message.
+
+config LOCKDEP_STACK_TRACE_HASH_BITS
+ int "Bitsize for STACK_TRACE_HASH_SIZE"
+ depends on LOCKDEP && !LOCKDEP_SMALL
+ range 10 30
+ default 14
+ help
+ Try increasing this value if you need large MAX_STACK_TRACE_ENTRIES.
+
+config LOCKDEP_CIRCULAR_QUEUE_BITS
+ int "Bitsize for elements in circular_queue struct"
+ depends on LOCKDEP
+ range 10 30
+ default 12
+ help
+ Try increasing this value if you hit "lockdep bfs error:-1" warning due to __cq_enqueue() failure.
+
config DEBUG_LOCKDEP
bool "Lock dependency engine debugging"
depends on DEBUG_KERNEL && LOCKDEP
depends on DEBUG_KERNEL
depends on STACKTRACE_SUPPORT
depends on PROC_FS
- select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
+ depends on FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86
select KALLSYMS
select KALLSYMS_ALL
select STACKTRACE
select SCHEDSTATS
- select SCHED_DEBUG
help
Enable this option if you want to use the LatencyTOP tool
to find out which userspace is blocking on what kernel operations.
depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT
depends on !X86_64
select STACKTRACE
- select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
+ depends on FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86
help
Provide stacktrace filter for fault-injection capabilities
If unsure, say N.
+config TEST_DIV64
+ tristate "64bit/32bit division and modulo test"
+ depends on DEBUG_KERNEL || m
+ help
+ Enable this to turn on 'do_div()' function test. This test is
+ executed only once during system boot (so affects only boot time),
+ or at module load time.
+
+ If unsure, say N.
+
config KPROBES_SANITY_TEST
bool "Kprobes sanity tests"
depends on DEBUG_KERNEL
endif # RUNTIME_TESTING_MENU
+config ARCH_USE_MEMTEST
+ bool
+ help
+ An architecture should select this when it uses early_memtest()
+ during boot process.
+
config MEMTEST
bool "Memtest"
+ depends on ARCH_USE_MEMTEST
help
This option adds a kernel parameter 'memtest', which allows memtest
- to be set.
+ to be set and executed.
memtest=0, mean disabled; -- default
memtest=1, mean do 1 test pattern;
...