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Date:   Thu, 17 Mar 2022 16:45:11 +0000
From:   Hyeonggon Yoo <42.hyeyoo@gmail.com>
To:     "Paul E. McKenney" <paulmck@kernel.org>
Cc:     rcu@vger.kernel.org, Josh Triplett <josh@joshtriplett.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Joel Fernandes <joel@joelfernandes.org>,
        linux-kernel@vger.kernel.org
Subject: Re: RCU: undefined reference to irq_work_queue
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References: <YjMcZexG/kJepYDi@ip-172-31-19-208.ap-northeast-1.compute.internal>
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 <YjNSuprCqjAgGgqB@ip-172-31-19-208.ap-northeast-1.compute.internal>
 <20220317162033.GP4285@paulmck-ThinkPad-P17-Gen-1>
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--r4tMVwQTkYOBAuq4
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On Thu, Mar 17, 2022 at 09:20:33AM -0700, Paul E. McKenney wrote:
> On Thu, Mar 17, 2022 at 03:24:42PM +0000, Hyeonggon Yoo wrote:
> > On Thu, Mar 17, 2022 at 07:00:00AM -0700, Paul E. McKenney wrote:
> > > On Thu, Mar 17, 2022 at 11:32:53AM +0000, Hyeonggon Yoo wrote:
> > > > Hello RCU folks,
> > > > 
> > > > I like to use minimal configuration for kernel development.
> > > > when building with tinyconfig + CONFIG_PREEMPT=y on arm64:
> > > > 
> > > > ld: kernel/rcu/update.o: in function `call_rcu_tasks':
> > > > update.c:(.text+0xb2c): undefined reference to `irq_work_queue'
> > > > update.c:(.text+0xb2c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `irq_work_queue'
> > > > make: *** [Makefile:1155: vmlinux] Error 1
> > > > 
> > > > It seems RCU calls irq_work_queue() without checking if CONFIG_IRQ_WORK is enabled.
> > > 
> > > Indeed it does!
> > > 
> > > And kernel/rcu/Kconfig shows why:
> > > 
> > > config TASKS_TRACE_RCU
> > > 	def_bool 0
> > > 	select IRQ_WORK
> > > 	help
> > > 	  This option enables a task-based RCU implementation that uses
> > > 	  explicit rcu_read_lock_trace() read-side markers, and allows
> > > 	  these readers to appear in the idle loop as well as on the CPU
> > > 	  hotplug code paths.  It can force IPIs on online CPUs, including
> > > 	  idle ones, so use with caution.
> > > 
> > > So the solution is to further minimize your configuration so as to
> > > deselect TASKS_TRACE_RCU.
> > 
> > They are already not selected.
> 
> Good, thank you.
> 
> How about TASKS_RUDE_RCU, TASKS_TRACE_RCU, and TASKS_RCU_GENERIC?
>

TASKS_RUDE_RCU=n
TASKS_TRACE_RCU=n
TASKS_RCU_GENERIC=y
TASKS_RCU=y

> > > This means making sure that both BPF and
> > > the various RCU torture tests are all deselected.
> > 
> > I wanted to say call_rcu_tasks() can be referenced even when IRQ_WORK is not
> > selected, making it fail to build.
> 
> I am guessing because TASKS_RCU_GENERIC is selected?
>

Right.

> If so, does the patch at the end of this email help?
>

No. did not help.

I think I found reason...
with PREEMPTION=y,

in kernel/rcu/Kconfig:
config TASKS_RCU
        def_bool PREEMPTION
        help
          This option enables a task-based RCU implementation that uses
          only voluntary context switch (not preemption!), idle, and 
          user-mode execution as quiescent states.  Not for manual selection.

in kernel/rcu/Kconfig:
config TASKS_RCU_GENERIC
        def_bool TASKS_RCU || TASKS_RUDE_RCU || TASKS_TRACE_RCU
        select SRCU
        help
          This option enables generic infrastructure code supporting
          task-based RCU implementations.  Not for manual selection.


> > > > ld: kernel/rcu/update.o: in function `call_rcu_tasks':
> > > > update.c:(.text+0xb2c): undefined reference to `irq_work_queue'
> > > > update.c:(.text+0xb2c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `irq_work_queue'
> > > > make: *** [Makefile:1155: vmlinux] Error 1
> > 
> > Isn't it better to fix this build failure?
> 
> But of course!  However, first I need to know exactly what is causing your
> build failure.  I cannot see your .config file, so I am having to guess.
>
> Don't get me wrong, I do have a lot of practice guessing, but it is still
> just guessing.  ;-)

Sorry to make you guess. Maybe too late, but added config as attachment ;)

> 
> > It fails to build when both TASKS_TRACE_RCU and IRQ_WORK are not selected
> > and PREEMPT is selected.
> > 
> >   │ Symbol: TASKS_TRACE_RCU [=n]                                            │
> >   │ Type  : bool                                                            │
> >   │ Defined at kernel/rcu/Kconfig:96                                        │
> >   │ Selects: IRQ_WORK [=n]                                                  │
> >   │ Selected by [n]:                                                        │
> >   │   - BPF_SYSCALL [=n]                                                    │
> >   │   - RCU_SCALE_TEST [=n] && DEBUG_KERNEL [=y]                            │
> >   │   - RCU_TORTURE_TEST [=n] && DEBUG_KERNEL [=y]                          │
> >   │   - RCU_REF_SCALE_TEST [=n] && DEBUG_KERNEL [=y]
> > 
> > Thanks!
> > 
> > > 
> > > Or turn on IRQ_WORK, for example, if you need to use BPF.
> 
> Or do you already have TASKS_RCU_GENERIC deselected?
>

No, this is selected. TASKS_RCU_GENERIC=y. because of PREEMPTION=y.

Thanks!

> 							Thanx, Paul
> 
> ------------------------------------------------------------------------
> 
> diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig
> index bf8e341e75b4..f559870fbf8b 100644
> --- a/kernel/rcu/Kconfig
> +++ b/kernel/rcu/Kconfig
> @@ -86,6 +86,7 @@ config TASKS_RCU
>  
>  config TASKS_RUDE_RCU
>  	def_bool 0
> +	select IRQ_WORK
>  	help
>  	  This option enables a task-based RCU implementation that uses
>  	  only context switch (including preemption) and user-mode

-- 
Thank you, You are awesome!
Hyeonggon :-)

--r4tMVwQTkYOBAuq4
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename=".config"

#
# Automatically generated file; DO NOT EDIT.
# Linux/arm64 5.17.0-rc3 Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (GCC) 11.2.1 20211203 (Red Hat 11.2.1-7)"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=110201
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=23700
CONFIG_LD_IS_BFD=y
CONFIG_LD_VERSION=23700
CONFIG_LLD_VERSION=0
CONFIG_CC_CAN_LINK=y
CONFIG_CC_HAS_ASM_GOTO=y
CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
CONFIG_CC_HAS_ASM_INLINE=y
CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=y
CONFIG_BUILDTIME_TABLE_SORT=y
CONFIG_THREAD_INFO_IN_TASK=y

#
# General setup
#
CONFIG_INIT_ENV_ARG_LIMIT=32
# CONFIG_COMPILE_TEST is not set
# CONFIG_WERROR is not set
CONFIG_LOCALVERSION=""
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_BUILD_SALT=""
CONFIG_DEFAULT_INIT=""
CONFIG_DEFAULT_HOSTNAME="(none)"
# CONFIG_SYSVIPC is not set
# CONFIG_WATCH_QUEUE is not set
# CONFIG_CROSS_MEMORY_ATTACH is not set
# CONFIG_USELIB is not set
CONFIG_HAVE_ARCH_AUDITSYSCALL=y

#
# IRQ subsystem
#
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_SHOW_LEVEL=y
CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_GENERIC_IRQ_IPI=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_MSI_IRQ_DOMAIN=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
# end of IRQ subsystem

CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_ARCH_HAS_TICK_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_HAVE_POSIX_CPU_TIMERS_TASK_WORK=y

#
# Timers subsystem
#
CONFIG_HZ_PERIODIC=y
# CONFIG_NO_HZ_IDLE is not set
# CONFIG_NO_HZ_FULL is not set
# CONFIG_NO_HZ is not set
# CONFIG_HIGH_RES_TIMERS is not set
# end of Timers subsystem

CONFIG_HAVE_EBPF_JIT=y
CONFIG_ARCH_WANT_DEFAULT_BPF_JIT=y

#
# BPF subsystem
#
# CONFIG_BPF_SYSCALL is not set
# end of BPF subsystem

CONFIG_PREEMPT_BUILD=y
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
CONFIG_PREEMPT_COUNT=y
CONFIG_PREEMPTION=y

#
# CPU/Task time and stats accounting
#
CONFIG_TICK_CPU_ACCOUNTING=y
# CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set
# CONFIG_IRQ_TIME_ACCOUNTING is not set
# CONFIG_PSI is not set
# end of CPU/Task time and stats accounting

# CONFIG_CPU_ISOLATION is not set

#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
CONFIG_PREEMPT_RCU=y
# CONFIG_RCU_EXPERT is not set
CONFIG_SRCU=y
CONFIG_TREE_SRCU=y
CONFIG_TASKS_RCU_GENERIC=y
CONFIG_TASKS_RCU=y
CONFIG_RCU_STALL_COMMON=y
CONFIG_RCU_NEED_SEGCBLIST=y
# end of RCU Subsystem

# CONFIG_IKCONFIG is not set
CONFIG_GENERIC_SCHED_CLOCK=y

#
# Scheduler features
#
# end of Scheduler features

CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
CONFIG_CC_HAS_INT128=y
CONFIG_CC_IMPLICIT_FALLTHROUGH="-Wimplicit-fallthrough=5"
CONFIG_ARCH_SUPPORTS_INT128=y
# CONFIG_CGROUPS is not set
# CONFIG_CHECKPOINT_RESTORE is not set
# CONFIG_SCHED_AUTOGROUP is not set
# CONFIG_RELAY is not set
# CONFIG_BLK_DEV_INITRD is not set
# CONFIG_BOOT_CONFIG is not set
# CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_LD_ORPHAN_WARN=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_EXPERT=y
# CONFIG_MULTIUSER is not set
# CONFIG_SGETMASK_SYSCALL is not set
# CONFIG_SYSFS_SYSCALL is not set
# CONFIG_FHANDLE is not set
# CONFIG_POSIX_TIMERS is not set
# CONFIG_PRINTK is not set
# CONFIG_BUG is not set
# CONFIG_BASE_FULL is not set
# CONFIG_FUTEX is not set
# CONFIG_EPOLL is not set
# CONFIG_SIGNALFD is not set
# CONFIG_TIMERFD is not set
# CONFIG_EVENTFD is not set
# CONFIG_SHMEM is not set
# CONFIG_AIO is not set
# CONFIG_IO_URING is not set
# CONFIG_ADVISE_SYSCALLS is not set
# CONFIG_MEMBARRIER is not set
# CONFIG_KALLSYMS is not set
# CONFIG_USERFAULTFD is not set
CONFIG_ARCH_HAS_MEMBARRIER_SYNC_CORE=y
# CONFIG_KCMP is not set
# CONFIG_RSEQ is not set
CONFIG_EMBEDDED=y
CONFIG_HAVE_PERF_EVENTS=y
# CONFIG_PC104 is not set

#
# Kernel Performance Events And Counters
#
# CONFIG_PERF_EVENTS is not set
# end of Kernel Performance Events And Counters

# CONFIG_VM_EVENT_COUNTERS is not set
# CONFIG_COMPAT_BRK is not set
# CONFIG_SLAB is not set
# CONFIG_SLUB is not set
CONFIG_SLOB=y
# CONFIG_SHUFFLE_PAGE_ALLOCATOR is not set
# CONFIG_PROFILING is not set
# end of General setup

CONFIG_ARM64=y
CONFIG_64BIT=y
CONFIG_MMU=y
CONFIG_ARM64_PAGE_SHIFT=12
CONFIG_ARM64_CONT_PTE_SHIFT=4
CONFIG_ARM64_CONT_PMD_SHIFT=4
CONFIG_ARCH_MMAP_RND_BITS_MIN=18
CONFIG_ARCH_MMAP_RND_BITS_MAX=24
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=11
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=16
CONFIG_NO_IOPORT_MAP=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE=y
CONFIG_SMP=y
CONFIG_KERNEL_MODE_NEON=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_PGTABLE_LEVELS=3
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_ARCH_PROC_KCORE_TEXT=y

#
# Platform selection
#
# CONFIG_ARCH_ACTIONS is not set
# CONFIG_ARCH_SUNXI is not set
# CONFIG_ARCH_ALPINE is not set
# CONFIG_ARCH_APPLE is not set
# CONFIG_ARCH_BCM2835 is not set
# CONFIG_ARCH_BCM4908 is not set
# CONFIG_ARCH_BCM_IPROC is not set
# CONFIG_ARCH_BERLIN is not set
# CONFIG_ARCH_BITMAIN is not set
# CONFIG_ARCH_BRCMSTB is not set
# CONFIG_ARCH_EXYNOS is not set
# CONFIG_ARCH_SPARX5 is not set
# CONFIG_ARCH_K3 is not set
# CONFIG_ARCH_LAYERSCAPE is not set
# CONFIG_ARCH_LG1K is not set
# CONFIG_ARCH_HISI is not set
# CONFIG_ARCH_KEEMBAY is not set
# CONFIG_ARCH_MEDIATEK is not set
# CONFIG_ARCH_MESON is not set
# CONFIG_ARCH_MVEBU is not set
# CONFIG_ARCH_MXC is not set
# CONFIG_ARCH_QCOM is not set
# CONFIG_ARCH_REALTEK is not set
# CONFIG_ARCH_RENESAS is not set
# CONFIG_ARCH_ROCKCHIP is not set
# CONFIG_ARCH_S32 is not set
# CONFIG_ARCH_SEATTLE is not set
# CONFIG_ARCH_INTEL_SOCFPGA is not set
# CONFIG_ARCH_SYNQUACER is not set
# CONFIG_ARCH_TEGRA is not set
# CONFIG_ARCH_SPRD is not set
# CONFIG_ARCH_THUNDER is not set
# CONFIG_ARCH_THUNDER2 is not set
# CONFIG_ARCH_UNIPHIER is not set
# CONFIG_ARCH_VEXPRESS is not set
# CONFIG_ARCH_VISCONTI is not set
# CONFIG_ARCH_XGENE is not set
# CONFIG_ARCH_ZYNQMP is not set
# end of Platform selection

#
# Kernel Features
#

#
# ARM errata workarounds via the alternatives framework
#
# CONFIG_ARM64_ERRATUM_826319 is not set
# CONFIG_ARM64_ERRATUM_827319 is not set
# CONFIG_ARM64_ERRATUM_824069 is not set
# CONFIG_ARM64_ERRATUM_819472 is not set
# CONFIG_ARM64_ERRATUM_832075 is not set
# CONFIG_ARM64_ERRATUM_843419 is not set
CONFIG_ARM64_LD_HAS_FIX_ERRATUM_843419=y
# CONFIG_ARM64_ERRATUM_1024718 is not set
# CONFIG_ARM64_ERRATUM_1165522 is not set
# CONFIG_ARM64_ERRATUM_1319367 is not set
# CONFIG_ARM64_ERRATUM_1530923 is not set
# CONFIG_ARM64_ERRATUM_1286807 is not set
# CONFIG_ARM64_ERRATUM_1463225 is not set
# CONFIG_ARM64_ERRATUM_1542419 is not set
# CONFIG_ARM64_ERRATUM_1508412 is not set
# CONFIG_ARM64_ERRATUM_2051678 is not set
# CONFIG_ARM64_ERRATUM_2077057 is not set
# CONFIG_ARM64_ERRATUM_2054223 is not set
# CONFIG_ARM64_ERRATUM_2067961 is not set
# CONFIG_CAVIUM_ERRATUM_22375 is not set
# CONFIG_CAVIUM_ERRATUM_23154 is not set
# CONFIG_CAVIUM_ERRATUM_27456 is not set
# CONFIG_CAVIUM_ERRATUM_30115 is not set
# CONFIG_CAVIUM_TX2_ERRATUM_219 is not set
# CONFIG_FUJITSU_ERRATUM_010001 is not set
# CONFIG_HISILICON_ERRATUM_161600802 is not set
# CONFIG_QCOM_FALKOR_ERRATUM_1003 is not set
# CONFIG_QCOM_FALKOR_ERRATUM_1009 is not set
# CONFIG_QCOM_QDF2400_ERRATUM_0065 is not set
# CONFIG_QCOM_FALKOR_ERRATUM_E1041 is not set
# CONFIG_NVIDIA_CARMEL_CNP_ERRATUM is not set
# CONFIG_SOCIONEXT_SYNQUACER_PREITS is not set
# end of ARM errata workarounds via the alternatives framework

CONFIG_ARM64_4K_PAGES=y
# CONFIG_ARM64_16K_PAGES is not set
# CONFIG_ARM64_64K_PAGES is not set
CONFIG_ARM64_VA_BITS_39=y
# CONFIG_ARM64_VA_BITS_48 is not set
CONFIG_ARM64_VA_BITS=39
CONFIG_ARM64_PA_BITS_48=y
CONFIG_ARM64_PA_BITS=48
# CONFIG_CPU_BIG_ENDIAN is not set
CONFIG_CPU_LITTLE_ENDIAN=y
# CONFIG_SCHED_MC is not set
# CONFIG_SCHED_CLUSTER is not set
# CONFIG_SCHED_SMT is not set
CONFIG_NR_CPUS=256
# CONFIG_HOTPLUG_CPU is not set
# CONFIG_NUMA is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_HAS_FILTER_PGPROT=y
# CONFIG_PARAVIRT is not set
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
# CONFIG_KEXEC_FILE is not set
# CONFIG_CRASH_DUMP is not set
# CONFIG_XEN is not set
CONFIG_FORCE_MAX_ZONEORDER=11
# CONFIG_UNMAP_KERNEL_AT_EL0 is not set
# CONFIG_RODATA_FULL_DEFAULT_ENABLED is not set
# CONFIG_ARM64_SW_TTBR0_PAN is not set
# CONFIG_ARM64_TAGGED_ADDR_ABI is not set
# CONFIG_COMPAT is not set

#
# ARMv8.1 architectural features
#
# CONFIG_ARM64_HW_AFDBM is not set
# CONFIG_ARM64_PAN is not set
CONFIG_AS_HAS_LDAPR=y
CONFIG_AS_HAS_LSE_ATOMICS=y
# end of ARMv8.1 architectural features

#
# ARMv8.2 architectural features
#
CONFIG_AS_HAS_ARMV8_2=y
CONFIG_AS_HAS_SHA3=y
# CONFIG_ARM64_PMEM is not set
# CONFIG_ARM64_RAS_EXTN is not set
# CONFIG_ARM64_CNP is not set
# end of ARMv8.2 architectural features

#
# ARMv8.3 architectural features
#
# CONFIG_ARM64_PTR_AUTH is not set
CONFIG_CC_HAS_BRANCH_PROT_PAC_RET=y
CONFIG_CC_HAS_SIGN_RETURN_ADDRESS=y
CONFIG_AS_HAS_PAC=y
CONFIG_AS_HAS_CFI_NEGATE_RA_STATE=y
# end of ARMv8.3 architectural features

#
# ARMv8.4 architectural features
#
# CONFIG_ARM64_AMU_EXTN is not set
CONFIG_AS_HAS_ARMV8_4=y
# CONFIG_ARM64_TLB_RANGE is not set
# end of ARMv8.4 architectural features

#
# ARMv8.5 architectural features
#
CONFIG_AS_HAS_ARMV8_5=y
# CONFIG_ARM64_BTI is not set
CONFIG_CC_HAS_BRANCH_PROT_PAC_RET_BTI=y
# CONFIG_ARM64_E0PD is not set
# CONFIG_ARCH_RANDOM is not set
CONFIG_ARM64_AS_HAS_MTE=y
# end of ARMv8.5 architectural features

#
# ARMv8.7 architectural features
#
# end of ARMv8.7 architectural features

# CONFIG_ARM64_SVE is not set
# CONFIG_ARM64_PSEUDO_NMI is not set
# CONFIG_RELOCATABLE is not set
# CONFIG_RANDOMIZE_BASE is not set
CONFIG_CC_HAVE_STACKPROTECTOR_SYSREG=y
# end of Kernel Features

#
# Boot options
#
CONFIG_CMDLINE=""
# CONFIG_EFI is not set
# end of Boot options

#
# Power management options
#
# CONFIG_SUSPEND is not set
# CONFIG_PM is not set
CONFIG_ARCH_SUSPEND_POSSIBLE=y
# end of Power management options

#
# CPU Power Management
#

#
# CPU Idle
#
# CONFIG_CPU_IDLE is not set
# end of CPU Idle

#
# CPU Frequency scaling
#
# CONFIG_CPU_FREQ is not set
# end of CPU Frequency scaling
# end of CPU Power Management

CONFIG_HAVE_KVM=y
# CONFIG_VIRTUALIZATION is not set

#
# General architecture-dependent options
#
# CONFIG_JUMP_LABEL is not set
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETPROBE=y
CONFIG_HAVE_FUNCTION_ERROR_INJECTION=y
CONFIG_HAVE_NMI=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GENERIC_IDLE_POLL_SETUP=y
CONFIG_ARCH_HAS_FORTIFY_SOURCE=y
CONFIG_ARCH_HAS_KEEPINITRD=y
CONFIG_ARCH_HAS_SET_MEMORY=y
CONFIG_ARCH_HAS_SET_DIRECT_MAP=y
CONFIG_HAVE_ARCH_THREAD_STRUCT_WHITELIST=y
CONFIG_ARCH_WANTS_NO_INSTR=y
CONFIG_HAVE_ASM_MODVERSIONS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_RSEQ=y
CONFIG_HAVE_FUNCTION_ARG_ACCESS_API=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_JUMP_LABEL_RELATIVE=y
CONFIG_MMU_GATHER_TABLE_FREE=y
CONFIG_MMU_GATHER_RCU_TABLE_FREE=y
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_HAVE_CMPXCHG_LOCAL=y
CONFIG_HAVE_CMPXCHG_DOUBLE=y
CONFIG_HAVE_ARCH_SECCOMP=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
# CONFIG_SECCOMP is not set
CONFIG_HAVE_ARCH_STACKLEAK=y
CONFIG_HAVE_STACKPROTECTOR=y
# CONFIG_STACKPROTECTOR is not set
CONFIG_ARCH_SUPPORTS_LTO_CLANG=y
CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN=y
CONFIG_LTO_NONE=y
CONFIG_ARCH_SUPPORTS_CFI_CLANG=y
CONFIG_HAVE_CONTEXT_TRACKING=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_MOVE_PUD=y
CONFIG_HAVE_MOVE_PMD=y
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
CONFIG_HAVE_ARCH_HUGE_VMAP=y
CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
CONFIG_HAVE_ARCH_MMAP_RND_BITS=y
CONFIG_ARCH_MMAP_RND_BITS=18
CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT=y
CONFIG_CLONE_BACKWARDS=y
# CONFIG_COMPAT_32BIT_TIME is not set
CONFIG_HAVE_ARCH_VMAP_STACK=y
# CONFIG_VMAP_STACK is not set
CONFIG_HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET=y
# CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT is not set
CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
CONFIG_STRICT_KERNEL_RWX=y
CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
CONFIG_HAVE_ARCH_COMPILER_H=y
CONFIG_HAVE_ARCH_PREL32_RELOCATIONS=y
CONFIG_ARCH_WANT_LD_ORPHAN_WARN=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y

#
# GCOV-based kernel profiling
#
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
# end of GCOV-based kernel profiling

CONFIG_HAVE_GCC_PLUGINS=y
# end of General architecture-dependent options

CONFIG_BASE_SMALL=1
# CONFIG_MODULES is not set
# CONFIG_BLOCK is not set
CONFIG_UNINLINE_SPIN_UNLOCK=y
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_ARCH_USE_QUEUED_SPINLOCKS=y
CONFIG_QUEUED_SPINLOCKS=y
CONFIG_ARCH_USE_QUEUED_RWLOCKS=y
CONFIG_QUEUED_RWLOCKS=y
CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE=y
CONFIG_ARCH_HAS_SYSCALL_WRAPPER=y

#
# Executable file formats
#
# CONFIG_BINFMT_ELF is not set
CONFIG_ARCH_BINFMT_ELF_STATE=y
CONFIG_ARCH_HAVE_ELF_PROT=y
CONFIG_ARCH_USE_GNU_PROPERTY=y
# CONFIG_BINFMT_SCRIPT is not set
# CONFIG_BINFMT_MISC is not set
# CONFIG_COREDUMP is not set
# end of Executable file formats

#
# Memory Management options
#
CONFIG_SPARSEMEM=y
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSEMEM_VMEMMAP=y
CONFIG_HAVE_FAST_GUP=y
CONFIG_ARCH_KEEP_MEMBLOCK=y
CONFIG_EXCLUSIVE_SYSTEM_RAM=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
# CONFIG_MEMORY_HOTPLUG is not set
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y
# CONFIG_COMPACTION is not set
# CONFIG_PAGE_REPORTING is not set
# CONFIG_MIGRATION is not set
CONFIG_PHYS_ADDR_T_64BIT=y
# CONFIG_KSM is not set
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y
# CONFIG_MEMORY_FAILURE is not set
# CONFIG_TRANSPARENT_HUGEPAGE is not set
# CONFIG_CMA is not set
# CONFIG_ZPOOL is not set
# CONFIG_ZSMALLOC is not set
CONFIG_GENERIC_EARLY_IOREMAP=y
# CONFIG_DEFERRED_STRUCT_PAGE_INIT is not set
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
CONFIG_ARCH_HAS_PTE_DEVMAP=y
CONFIG_ARCH_HAS_ZONE_DMA_SET=y
# CONFIG_ZONE_DMA is not set
# CONFIG_ZONE_DMA32 is not set
# CONFIG_PERCPU_STATS is not set

#
# GUP_TEST needs to have DEBUG_FS enabled
#
CONFIG_ARCH_HAS_PTE_SPECIAL=y

#
# Data Access Monitoring
#
# CONFIG_DAMON is not set
# end of Data Access Monitoring
# end of Memory Management options

# CONFIG_NET is not set

#
# Device Drivers
#
CONFIG_ARM_AMBA=y
CONFIG_HAVE_PCI=y
# CONFIG_PCI is not set
# CONFIG_PCCARD is not set

#
# Generic Driver Options
#
# CONFIG_UEVENT_HELPER is not set
# CONFIG_DEVTMPFS is not set
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set

#
# Firmware loader
#
# CONFIG_FW_LOADER is not set
# end of Firmware loader

# CONFIG_ALLOW_DEV_COREDUMP is not set
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_DEBUG_TEST_DRIVER_REMOVE is not set
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_GENERIC_CPU_VULNERABILITIES=y
CONFIG_GENERIC_ARCH_TOPOLOGY=y
# end of Generic Driver Options

#
# Bus devices
#
# CONFIG_BRCMSTB_GISB_ARB is not set
# CONFIG_VEXPRESS_CONFIG is not set
# CONFIG_MHI_BUS is not set
# end of Bus devices

#
# Firmware Drivers
#

#
# ARM System Control and Management Interface Protocol
#
# CONFIG_ARM_SCMI_PROTOCOL is not set
# end of ARM System Control and Management Interface Protocol

# CONFIG_ARM_SDE_INTERFACE is not set
# CONFIG_FIRMWARE_MEMMAP is not set
# CONFIG_ARM_FFA_TRANSPORT is not set
# CONFIG_GOOGLE_FIRMWARE is not set
CONFIG_ARM_PSCI_FW=y
CONFIG_HAVE_ARM_SMCCC=y
CONFIG_HAVE_ARM_SMCCC_DISCOVERY=y
# CONFIG_ARM_SMCCC_SOC_ID is not set

#
# Tegra firmware driver
#
# end of Tegra firmware driver
# end of Firmware Drivers

# CONFIG_GNSS is not set
# CONFIG_MTD is not set
CONFIG_DTC=y
CONFIG_OF=y
# CONFIG_OF_UNITTEST is not set
CONFIG_OF_FLATTREE=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_IRQ=y
CONFIG_OF_RESERVED_MEM=y
# CONFIG_OF_OVERLAY is not set
# CONFIG_PARPORT is not set

#
# NVME Support
#
# end of NVME Support

#
# Misc devices
#
# CONFIG_DUMMY_IRQ is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_SRAM is not set
# CONFIG_XILINX_SDFEC is not set
# CONFIG_C2PORT is not set

#
# EEPROM support
#
# CONFIG_EEPROM_93CX6 is not set
# end of EEPROM support

#
# Texas Instruments shared transport line discipline
#
# end of Texas Instruments shared transport line discipline

#
# Altera FPGA firmware download module (requires I2C)
#
# CONFIG_ECHO is not set
# CONFIG_PVPANIC is not set
# end of Misc devices

#
# SCSI device support
#
CONFIG_SCSI_MOD=y
# end of SCSI device support

CONFIG_HAVE_PATA_PLATFORM=y

#
# Input device support
#
# CONFIG_INPUT is not set

#
# Hardware I/O ports
#
# CONFIG_SERIO is not set
# CONFIG_GAMEPORT is not set
# end of Hardware I/O ports
# end of Input device support

#
# Character devices
#
# CONFIG_TTY is not set
# CONFIG_SERIAL_DEV_BUS is not set
# CONFIG_IPMI_HANDLER is not set
# CONFIG_HW_RANDOM is not set
# CONFIG_DEVMEM is not set
# CONFIG_TCG_TPM is not set
# CONFIG_XILLYBUS is not set
# CONFIG_RANDOM_TRUST_BOOTLOADER is not set
# end of Character devices

#
# I2C support
#
# CONFIG_I2C is not set
# end of I2C support

# CONFIG_I3C is not set
# CONFIG_SPI is not set
# CONFIG_SPMI is not set
# CONFIG_HSI is not set
# CONFIG_PPS is not set

#
# PTP clock support
#
CONFIG_PTP_1588_CLOCK_OPTIONAL=y

#
# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks.
#
# end of PTP clock support

# CONFIG_PINCTRL is not set
# CONFIG_GPIOLIB is not set
# CONFIG_W1 is not set
CONFIG_POWER_RESET=y
# CONFIG_POWER_RESET_RESTART is not set
# CONFIG_POWER_RESET_XGENE is not set
# CONFIG_POWER_RESET_SYSCON is not set
# CONFIG_POWER_RESET_SYSCON_POWEROFF is not set
# CONFIG_NVMEM_REBOOT_MODE is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
# CONFIG_PDA_POWER is not set
# CONFIG_TEST_POWER is not set
# CONFIG_BATTERY_DS2780 is not set
# CONFIG_BATTERY_DS2781 is not set
# CONFIG_BATTERY_BQ27XXX is not set
# CONFIG_CHARGER_MAX8903 is not set
# CONFIG_BATTERY_GOLDFISH is not set
# CONFIG_HWMON is not set
# CONFIG_THERMAL is not set
# CONFIG_WATCHDOG is not set
CONFIG_SSB_POSSIBLE=y
# CONFIG_SSB is not set
CONFIG_BCMA_POSSIBLE=y
# CONFIG_BCMA is not set

#
# Multifunction device drivers
#
# CONFIG_MFD_ATMEL_FLEXCOM is not set
# CONFIG_MFD_ATMEL_HLCDC is not set
# CONFIG_MFD_MADERA is not set
# CONFIG_MFD_HI6421_PMIC is not set
# CONFIG_HTC_PASIC3 is not set
# CONFIG_MFD_KEMPLD is not set
# CONFIG_MFD_MT6397 is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_MFD_SYSCON is not set
# CONFIG_MFD_TI_AM335X_TSCADC is not set
# CONFIG_MFD_TQMX86 is not set
# end of Multifunction device drivers

# CONFIG_REGULATOR is not set

#
# CEC support
#
# CONFIG_MEDIA_CEC_SUPPORT is not set
# end of CEC support

# CONFIG_MEDIA_SUPPORT is not set

#
# Graphics support
#
# CONFIG_DRM is not set
# CONFIG_DRM_DEBUG_MODESET_LOCK is not set

#
# ARM devices
#
# end of ARM devices

#
# Frame buffer Devices
#
# CONFIG_FB is not set
# end of Frame buffer Devices

#
# Backlight & LCD device support
#
# CONFIG_LCD_CLASS_DEVICE is not set
# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
# end of Backlight & LCD device support
# end of Graphics support

# CONFIG_SOUND is not set
CONFIG_USB_OHCI_LITTLE_ENDIAN=y
# CONFIG_USB_SUPPORT is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_ACCESSIBILITY is not set
CONFIG_EDAC_SUPPORT=y
# CONFIG_RTC_CLASS is not set
# CONFIG_DMADEVICES is not set

#
# DMABUF options
#
# CONFIG_SYNC_FILE is not set
# CONFIG_DMABUF_HEAPS is not set
# end of DMABUF options

# CONFIG_AUXDISPLAY is not set
# CONFIG_UIO is not set
# CONFIG_VFIO is not set
# CONFIG_VIRT_DRIVERS is not set
# CONFIG_VIRTIO_MENU is not set
# CONFIG_VHOST_MENU is not set

#
# Microsoft Hyper-V guest support
#
# end of Microsoft Hyper-V guest support

# CONFIG_COMEDI is not set
# CONFIG_STAGING is not set
# CONFIG_GOLDFISH is not set
# CONFIG_CHROME_PLATFORMS is not set
# CONFIG_MELLANOX_PLATFORM is not set
# CONFIG_SURFACE_PLATFORMS is not set
CONFIG_HAVE_CLK=y
CONFIG_HAVE_CLK_PREPARE=y
CONFIG_COMMON_CLK=y

#
# Clock driver for ARM Reference designs
#
# CONFIG_CLK_ICST is not set
# CONFIG_CLK_SP810 is not set
# end of Clock driver for ARM Reference designs

# CONFIG_COMMON_CLK_LAN966X is not set
# CONFIG_COMMON_CLK_AXI_CLKGEN is not set
# CONFIG_COMMON_CLK_XGENE is not set
# CONFIG_COMMON_CLK_FIXED_MMIO is not set
# CONFIG_XILINX_VCU is not set
# CONFIG_HWSPINLOCK is not set

#
# Clock Source drivers
#
CONFIG_TIMER_OF=y
CONFIG_TIMER_PROBE=y
CONFIG_ARM_ARCH_TIMER=y
# CONFIG_ARM_ARCH_TIMER_EVTSTREAM is not set
# CONFIG_FSL_ERRATUM_A008585 is not set
# CONFIG_HISILICON_ERRATUM_161010101 is not set
# CONFIG_ARM64_ERRATUM_858921 is not set
# CONFIG_MICROCHIP_PIT64B is not set
# end of Clock Source drivers

# CONFIG_MAILBOX is not set
# CONFIG_IOMMU_SUPPORT is not set

#
# Remoteproc drivers
#
# CONFIG_REMOTEPROC is not set
# end of Remoteproc drivers

#
# Rpmsg drivers
#
# CONFIG_RPMSG_VIRTIO is not set
# end of Rpmsg drivers

# CONFIG_SOUNDWIRE is not set

#
# SOC (System On Chip) specific Drivers
#

#
# Amlogic SoC drivers
#
# end of Amlogic SoC drivers

#
# Broadcom SoC drivers
#
# CONFIG_SOC_BRCMSTB is not set
# end of Broadcom SoC drivers

#
# NXP/Freescale QorIQ SoC drivers
#
# CONFIG_QUICC_ENGINE is not set
# end of NXP/Freescale QorIQ SoC drivers

#
# i.MX SoC drivers
#
# end of i.MX SoC drivers

#
# Enable LiteX SoC Builder specific drivers
#
# CONFIG_LITEX_SOC_CONTROLLER is not set
# end of Enable LiteX SoC Builder specific drivers

#
# Qualcomm SoC drivers
#
# end of Qualcomm SoC drivers

# CONFIG_SOC_TI is not set

#
# Xilinx SoC drivers
#
# end of Xilinx SoC drivers
# end of SOC (System On Chip) specific Drivers

# CONFIG_PM_DEVFREQ is not set
# CONFIG_EXTCON is not set
# CONFIG_MEMORY is not set
# CONFIG_IIO is not set
# CONFIG_PWM is not set

#
# IRQ chip support
#
CONFIG_IRQCHIP=y
CONFIG_ARM_GIC=y
CONFIG_ARM_GIC_MAX_NR=1
CONFIG_ARM_GIC_V3=y
CONFIG_ARM_GIC_V3_ITS=y
# CONFIG_AL_FIC is not set
CONFIG_PARTITION_PERCPU=y
# end of IRQ chip support

# CONFIG_IPACK_BUS is not set
# CONFIG_RESET_CONTROLLER is not set

#
# PHY Subsystem
#
# CONFIG_GENERIC_PHY is not set
# CONFIG_PHY_XGENE is not set
# CONFIG_PHY_CAN_TRANSCEIVER is not set

#
# PHY drivers for Broadcom platforms
#
# CONFIG_BCM_KONA_USB2_PHY is not set
# end of PHY drivers for Broadcom platforms

# CONFIG_PHY_CADENCE_TORRENT is not set
# CONFIG_PHY_CADENCE_DPHY is not set
# CONFIG_PHY_CADENCE_SALVO is not set
# CONFIG_PHY_FSL_IMX8MQ_USB is not set
# CONFIG_PHY_MIXEL_MIPI_DPHY is not set
# CONFIG_PHY_FSL_IMX8M_PCIE is not set
# CONFIG_PHY_PXA_28NM_HSIC is not set
# CONFIG_PHY_PXA_28NM_USB2 is not set
# end of PHY Subsystem

# CONFIG_POWERCAP is not set
# CONFIG_MCB is not set
# CONFIG_RAS is not set

#
# Android
#
# CONFIG_ANDROID is not set
# end of Android

# CONFIG_DAX is not set
# CONFIG_NVMEM is not set

#
# HW tracing support
#
# CONFIG_STM is not set
# CONFIG_INTEL_TH is not set
# end of HW tracing support

# CONFIG_FPGA is not set
# CONFIG_FSI is not set
# CONFIG_TEE is not set
# CONFIG_SIOX is not set
# CONFIG_SLIMBUS is not set
# CONFIG_INTERCONNECT is not set
# CONFIG_COUNTER is not set
# end of Device Drivers

#
# File systems
#
CONFIG_DCACHE_WORD_ACCESS=y
# CONFIG_VALIDATE_FS_PARSER is not set
# CONFIG_FS_DAX is not set
# CONFIG_EXPORTFS_BLOCK_OPS is not set
# CONFIG_FILE_LOCKING is not set
# CONFIG_FS_ENCRYPTION is not set
# CONFIG_FS_VERITY is not set
# CONFIG_DNOTIFY is not set
# CONFIG_INOTIFY_USER is not set
# CONFIG_FANOTIFY is not set
# CONFIG_QUOTA is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_FUSE_FS is not set
# CONFIG_OVERLAY_FS is not set

#
# Caches
#
# CONFIG_FSCACHE is not set
# end of Caches

#
# Pseudo filesystems
#
# CONFIG_PROC_FS is not set
# CONFIG_PROC_CHILDREN is not set
# CONFIG_SYSFS is not set
CONFIG_ARCH_SUPPORTS_HUGETLBFS=y
# CONFIG_HUGETLBFS is not set
CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
# CONFIG_CONFIGFS_FS is not set
# end of Pseudo filesystems

# CONFIG_MISC_FILESYSTEMS is not set
# CONFIG_NLS is not set
# CONFIG_UNICODE is not set
# end of File systems

#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY_DMESG_RESTRICT is not set
# CONFIG_SECURITYFS is not set
# CONFIG_FORTIFY_SOURCE is not set
# CONFIG_STATIC_USERMODEHELPER is not set
CONFIG_DEFAULT_SECURITY_DAC=y
CONFIG_LSM="landlock,lockdown,yama,loadpin,safesetid,integrity,bpf"

#
# Kernel hardening options
#

#
# Memory initialization
#
CONFIG_INIT_STACK_NONE=y
# CONFIG_INIT_ON_ALLOC_DEFAULT_ON is not set
# CONFIG_INIT_ON_FREE_DEFAULT_ON is not set
CONFIG_CC_HAS_ZERO_CALL_USED_REGS=y
# CONFIG_ZERO_CALL_USED_REGS is not set
# end of Memory initialization
# end of Kernel hardening options
# end of Security options

# CONFIG_CRYPTO is not set

#
# Library routines
#
# CONFIG_PACKING is not set
CONFIG_BITREVERSE=y
CONFIG_HAVE_ARCH_BITREVERSE=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
# CONFIG_CORDIC is not set
# CONFIG_PRIME_NUMBERS is not set
CONFIG_RATIONAL=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
CONFIG_ARCH_HAS_FAST_MULTIPLIER=y
CONFIG_ARCH_USE_SYM_ANNOTATIONS=y
# CONFIG_INDIRECT_PIO is not set

#
# Crypto library routines
#
CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
# CONFIG_CRYPTO_LIB_CURVE25519 is not set
CONFIG_CRYPTO_LIB_POLY1305_RSIZE=9
# CONFIG_CRYPTO_LIB_POLY1305 is not set
# end of Crypto library routines

# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_T10DIF is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC32_SELFTEST is not set
CONFIG_CRC32_SLICEBY8=y
# CONFIG_CRC32_SLICEBY4 is not set
# CONFIG_CRC32_SARWATE is not set
# CONFIG_CRC32_BIT is not set
# CONFIG_CRC64 is not set
# CONFIG_CRC4 is not set
# CONFIG_CRC7 is not set
# CONFIG_LIBCRC32C is not set
# CONFIG_CRC8 is not set
CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y
# CONFIG_RANDOM32_SELFTEST is not set
# CONFIG_XZ_DEC is not set
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_DMA=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_DMA_DECLARE_COHERENT=y
CONFIG_ARCH_HAS_SETUP_DMA_OPS=y
CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE=y
CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU=y
CONFIG_ARCH_HAS_DMA_PREP_COHERENT=y
CONFIG_SWIOTLB=y
# CONFIG_DMA_RESTRICTED_POOL is not set
CONFIG_DMA_NONCOHERENT_MMAP=y
CONFIG_DMA_COHERENT_POOL=y
CONFIG_DMA_REMAP=y
CONFIG_DMA_DIRECT_REMAP=y
# CONFIG_DMA_API_DEBUG is not set
# CONFIG_IRQ_POLL is not set
CONFIG_LIBFDT=y
CONFIG_HAVE_GENERIC_VDSO=y
CONFIG_GENERIC_GETTIMEOFDAY=y
CONFIG_GENERIC_VDSO_TIME_NS=y
CONFIG_ARCH_STACKWALK=y
# end of Library routines

CONFIG_GENERIC_LIB_DEVMEM_IS_ALLOWED=y

#
# Kernel hacking
#

#
# printk and dmesg options
#
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
CONFIG_CONSOLE_LOGLEVEL_QUIET=4
CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
# CONFIG_SYMBOLIC_ERRNAME is not set
# end of printk and dmesg options

#
# Compile-time checks and compiler options
#
# CONFIG_DEBUG_INFO is not set
CONFIG_FRAME_WARN=2048
# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_READABLE_ASM is not set
# CONFIG_HEADERS_INSTALL is not set
# CONFIG_DEBUG_SECTION_MISMATCH is not set
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
# CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B is not set
CONFIG_ARCH_WANT_FRAME_POINTERS=y
CONFIG_FRAME_POINTER=y
# CONFIG_VMLINUX_MAP is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# end of Compile-time checks and compiler options

#
# Generic Kernel Debugging Instruments
#
# CONFIG_MAGIC_SYSRQ is not set
# CONFIG_DEBUG_FS is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y
# CONFIG_UBSAN is not set
CONFIG_HAVE_ARCH_KCSAN=y
CONFIG_HAVE_KCSAN_COMPILER=y
# CONFIG_KCSAN is not set
# end of Generic Kernel Debugging Instruments

CONFIG_DEBUG_KERNEL=y
# CONFIG_DEBUG_MISC is not set

#
# Networking Debugging
#
# CONFIG_NET_DEV_REFCNT_TRACKER is not set
# CONFIG_NET_NS_REFCNT_TRACKER is not set
# end of Networking Debugging

#
# Memory Debugging
#
# CONFIG_PAGE_EXTENSION is not set
# CONFIG_DEBUG_PAGEALLOC is not set
# CONFIG_PAGE_OWNER is not set
# CONFIG_PAGE_POISONING is not set
# CONFIG_DEBUG_RODATA_TEST is not set
CONFIG_ARCH_HAS_DEBUG_WX=y
# CONFIG_DEBUG_WX is not set
CONFIG_GENERIC_PTDUMP=y
# CONFIG_DEBUG_OBJECTS is not set
CONFIG_HAVE_DEBUG_KMEMLEAK=y
# CONFIG_DEBUG_KMEMLEAK is not set
# CONFIG_DEBUG_STACK_USAGE is not set
# CONFIG_SCHED_STACK_END_CHECK is not set
CONFIG_ARCH_HAS_DEBUG_VM_PGTABLE=y
# CONFIG_DEBUG_VM is not set
# CONFIG_DEBUG_VM_PGTABLE is not set
CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y
# CONFIG_DEBUG_VIRTUAL is not set
# CONFIG_DEBUG_MEMORY_INIT is not set
# CONFIG_DEBUG_PER_CPU_MAPS is not set
CONFIG_HAVE_ARCH_KASAN=y
CONFIG_HAVE_ARCH_KASAN_SW_TAGS=y
CONFIG_HAVE_ARCH_KASAN_VMALLOC=y
CONFIG_CC_HAS_KASAN_GENERIC=y
CONFIG_CC_HAS_KASAN_SW_TAGS=y
CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=y
CONFIG_HAVE_ARCH_KFENCE=y
# end of Memory Debugging

# CONFIG_DEBUG_SHIRQ is not set

#
# Debug Oops, Lockups and Hangs
#
# CONFIG_PANIC_ON_OOPS is not set
CONFIG_PANIC_ON_OOPS_VALUE=0
CONFIG_PANIC_TIMEOUT=0
# CONFIG_SOFTLOCKUP_DETECTOR is not set
# CONFIG_DETECT_HUNG_TASK is not set
# CONFIG_WQ_WATCHDOG is not set
# end of Debug Oops, Lockups and Hangs

#
# Scheduler Debugging
#
# end of Scheduler Debugging

# CONFIG_DEBUG_TIMEKEEPING is not set
CONFIG_DEBUG_PREEMPT=y

#
# Lock Debugging (spinlocks, mutexes, etc...)
#
CONFIG_LOCK_DEBUGGING_SUPPORT=y
# CONFIG_PROVE_LOCKING is not set
# CONFIG_LOCK_STAT is not set
# CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set
# CONFIG_DEBUG_RWSEMS is not set
# CONFIG_DEBUG_LOCK_ALLOC is not set
# CONFIG_DEBUG_ATOMIC_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_LOCK_TORTURE_TEST is not set
# CONFIG_WW_MUTEX_SELFTEST is not set
# CONFIG_SCF_TORTURE_TEST is not set
# CONFIG_CSD_LOCK_WAIT_DEBUG is not set
# end of Lock Debugging (spinlocks, mutexes, etc...)

# CONFIG_DEBUG_IRQFLAGS is not set
# CONFIG_STACKTRACE is not set
# CONFIG_WARN_ALL_UNSEEDED_RANDOM is not set
# CONFIG_DEBUG_KOBJECT is not set

#
# Debug kernel data structures
#
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_PLIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_BUG_ON_DATA_CORRUPTION is not set
# end of Debug kernel data structures

# CONFIG_DEBUG_CREDENTIALS is not set

#
# RCU Debugging
#
# CONFIG_RCU_SCALE_TEST is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_REF_SCALE_TEST is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=21
# CONFIG_RCU_TRACE is not set
# CONFIG_RCU_EQS_DEBUG is not set
# end of RCU Debugging

# CONFIG_DEBUG_WQ_FORCE_RR_CPU is not set
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_TRACING_SUPPORT=y
# CONFIG_FTRACE is not set
# CONFIG_SAMPLES is not set

#
# arm64 Debugging
#
# CONFIG_PID_IN_CONTEXTIDR is not set
# CONFIG_CORESIGHT is not set
# end of arm64 Debugging

#
# Kernel Testing and Coverage
#
# CONFIG_KUNIT is not set
# CONFIG_NOTIFIER_ERROR_INJECTION is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_ARCH_HAS_KCOV=y
CONFIG_CC_HAS_SANCOV_TRACE_PC=y
# CONFIG_RUNTIME_TESTING_MENU is not set
CONFIG_ARCH_USE_MEMTEST=y
# CONFIG_MEMTEST is not set
# end of Kernel Testing and Coverage
# end of Kernel hacking

--r4tMVwQTkYOBAuq4--