diff mbox series

[05/43] mm: Expand vma iterator interface.

Message ID 20221129164352.3374638-6-Liam.Howlett@oracle.com
State New
Headers
Series VMA type safety through VMA iterator |

Commit Message

Liam R. Howlett Nov. 29, 2022, 4:44 p.m. UTC 
  From: "Liam R. Howlett" <Liam.Howlett@Oracle.com>

Add wrappers for the maple tree to the vma iterator.  This will provide
type safety at compile time.

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---
 include/linux/mm.h       | 46 ++++++++++++++++++++++---
 include/linux/mm_types.h |  4 +--
 mm/mmap.c                | 74 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 117 insertions(+), 7 deletions(-)

Comments

kernel test robot Nov. 30, 2022, 4:35 p.m. UTC | #1 
Hi Liam,

I love your patch! Yet something to improve:

[auto build test ERROR on acme/perf/core]
[also build test ERROR on linus/master v6.1-rc7 next-20221130]
[cannot apply to kees/for-next/execve tip/sched/core tip/perf/core]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Liam-Howlett/VMA-type-safety-through-VMA-iterator/20221130-104546
base:   https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git perf/core
patch link:    https://lore.kernel.org/r/20221129164352.3374638-6-Liam.Howlett%40oracle.com
patch subject: [PATCH 05/43] mm: Expand vma iterator interface.
config: arc-defconfig
compiler: arc-elf-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/cca685c9cb2e968b4246a2f376b1213522f09fc0
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Liam-Howlett/VMA-type-safety-through-VMA-iterator/20221130-104546
        git checkout cca685c9cb2e968b4246a2f376b1213522f09fc0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   mm/mmap.c: In function 'vma_iter_store':
>> mm/mmap.c:172:17: error: implicit declaration of function 'mt_dump'; did you mean 'xa_dump'? [-Werror=implicit-function-declaration]
     172 |                 mt_dump(vmi->mas.tree);
         |                 ^~~~~~~
         |                 xa_dump
   cc1: some warnings being treated as errors


vim +172 mm/mmap.c

   163	
   164	/* Store a VMA with preallocated memory */
   165	static inline void vma_iter_store(struct vma_iterator *vmi,
   166					  struct vm_area_struct *vma)
   167	{
   168		if (WARN_ON(vmi->mas.node != MAS_START && vmi->mas.index > vma->vm_start)) {
   169			printk("%lu > %lu\n", vmi->mas.index, vma->vm_start);
   170			printk("store of vma %lu-%lu", vma->vm_start, vma->vm_end);
   171			printk("into slot    %lu-%lu", vmi->mas.index, vmi->mas.last);
 > 172			mt_dump(vmi->mas.tree);
   173		}
   174		if (WARN_ON(vmi->mas.node != MAS_START && vmi->mas.last <  vma->vm_start)) {
   175			printk("%lu < %lu\n", vmi->mas.last, vma->vm_start);
   176			printk("store of vma %lu-%lu", vma->vm_start, vma->vm_end);
   177			printk("into slot    %lu-%lu", vmi->mas.index, vmi->mas.last);
   178			mt_dump(vmi->mas.tree);
   179		}
   180	
   181		if (vmi->mas.node != MAS_START &&
   182		    ((vmi->mas.index > vma->vm_start) || (vmi->mas.last < vma->vm_start)))
   183			vma_iter_invalidate(vmi);
   184	
   185		vmi->mas.index = vma->vm_start;
   186		vmi->mas.last = vma->vm_end - 1;
   187		mas_store_prealloc(&vmi->mas, vma);
   188	}
   189
Liam R. Howlett Dec. 13, 2022, 9:04 p.m. UTC | #2 
* kernel test robot <lkp@intel.com> [221130 11:36]:
> Hi Liam,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on acme/perf/core]
> [also build test ERROR on linus/master v6.1-rc7 next-20221130]
> [cannot apply to kees/for-next/execve tip/sched/core tip/perf/core]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Liam-Howlett/VMA-type-safety-through-VMA-iterator/20221130-104546
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git perf/core
> patch link:    https://lore.kernel.org/r/20221129164352.3374638-6-Liam.Howlett%40oracle.com
> patch subject: [PATCH 05/43] mm: Expand vma iterator interface.
> config: arc-defconfig
> compiler: arc-elf-gcc (GCC) 12.1.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/intel-lab-lkp/linux/commit/cca685c9cb2e968b4246a2f376b1213522f09fc0
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Liam-Howlett/VMA-type-safety-through-VMA-iterator/20221130-104546
>         git checkout cca685c9cb2e968b4246a2f376b1213522f09fc0
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
> 
> All errors (new ones prefixed by >>):
> 
>    mm/mmap.c: In function 'vma_iter_store':
> >> mm/mmap.c:172:17: error: implicit declaration of function 'mt_dump'; did you mean 'xa_dump'? [-Werror=implicit-function-declaration]
>      172 |                 mt_dump(vmi->mas.tree);
>          |                 ^~~~~~~
>          |                 xa_dump
>    cc1: some warnings being treated as errors
> 

Thanks!  I had already added the necessary #if defined() wrapper for
this issue.

> 
> vim +172 mm/mmap.c
> 
>    163	
>    164	/* Store a VMA with preallocated memory */
>    165	static inline void vma_iter_store(struct vma_iterator *vmi,
>    166					  struct vm_area_struct *vma)
>    167	{
>    168		if (WARN_ON(vmi->mas.node != MAS_START && vmi->mas.index > vma->vm_start)) {
>    169			printk("%lu > %lu\n", vmi->mas.index, vma->vm_start);
>    170			printk("store of vma %lu-%lu", vma->vm_start, vma->vm_end);
>    171			printk("into slot    %lu-%lu", vmi->mas.index, vmi->mas.last);
>  > 172			mt_dump(vmi->mas.tree);
>    173		}
>    174		if (WARN_ON(vmi->mas.node != MAS_START && vmi->mas.last <  vma->vm_start)) {
>    175			printk("%lu < %lu\n", vmi->mas.last, vma->vm_start);
>    176			printk("store of vma %lu-%lu", vma->vm_start, vma->vm_end);
>    177			printk("into slot    %lu-%lu", vmi->mas.index, vmi->mas.last);
>    178			mt_dump(vmi->mas.tree);
>    179		}
>    180	
>    181		if (vmi->mas.node != MAS_START &&
>    182		    ((vmi->mas.index > vma->vm_start) || (vmi->mas.last < vma->vm_start)))
>    183			vma_iter_invalidate(vmi);
>    184	
>    185		vmi->mas.index = vma->vm_start;
>    186		vmi->mas.last = vma->vm_end - 1;
>    187		mas_store_prealloc(&vmi->mas, vma);
>    188	}
>    189	
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://01.org/lkp

> #
> # Automatically generated file; DO NOT EDIT.
> # Linux/arc 6.1.0-rc6 Kernel Configuration
> #
> CONFIG_CC_VERSION_TEXT="arc-elf-gcc (GCC) 12.1.0"
> CONFIG_CC_IS_GCC=y
> CONFIG_GCC_VERSION=120100
> CONFIG_CLANG_VERSION=0
> CONFIG_AS_IS_GNU=y
> CONFIG_AS_VERSION=23800
> CONFIG_LD_IS_BFD=y
> CONFIG_LD_VERSION=23800
> CONFIG_LLD_VERSION=0
> CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
> CONFIG_CC_HAS_ASM_INLINE=y
> CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=y
> CONFIG_PAHOLE_VERSION=123
> CONFIG_IRQ_WORK=y
> CONFIG_BUILDTIME_TABLE_SORT=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=y
> CONFIG_BUILD_SALT=""
> CONFIG_HAVE_KERNEL_GZIP=y
> CONFIG_HAVE_KERNEL_LZMA=y
> CONFIG_KERNEL_GZIP=y
> # CONFIG_KERNEL_LZMA is not set
> CONFIG_DEFAULT_INIT=""
> CONFIG_DEFAULT_HOSTNAME="(none)"
> CONFIG_SYSVIPC=y
> CONFIG_SYSVIPC_SYSCTL=y
> CONFIG_POSIX_MQUEUE=y
> CONFIG_POSIX_MQUEUE_SYSCTL=y
> # CONFIG_WATCH_QUEUE is not set
> # CONFIG_CROSS_MEMORY_ATTACH is not set
> # CONFIG_USELIB is not set
> # CONFIG_AUDIT is not set
> 
> #
> # IRQ subsystem
> #
> CONFIG_GENERIC_IRQ_SHOW=y
> CONFIG_GENERIC_PENDING_IRQ=y
> CONFIG_IRQ_DOMAIN=y
> # end of IRQ subsystem
> 
> CONFIG_GENERIC_CLOCKEVENTS=y
> CONFIG_CONTEXT_TRACKING=y
> CONFIG_CONTEXT_TRACKING_IDLE=y
> 
> #
> # Timers subsystem
> #
> CONFIG_TICK_ONESHOT=y
> CONFIG_NO_HZ_COMMON=y
> # CONFIG_HZ_PERIODIC is not set
> CONFIG_NO_HZ_IDLE=y
> # CONFIG_NO_HZ is not set
> CONFIG_HIGH_RES_TIMERS=y
> # end of Timers subsystem
> 
> CONFIG_BPF=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_BSD_PROCESS_ACCT is not set
> # CONFIG_TASKSTATS is not set
> # CONFIG_PSI is not set
> # end of CPU/Task time and stats accounting
> 
> CONFIG_CPU_ISOLATION=y
> 
> #
> # 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=y
> CONFIG_IKCONFIG_PROC=y
> # CONFIG_IKHEADERS is not set
> CONFIG_LOG_BUF_SHIFT=17
> CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
> CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
> CONFIG_GENERIC_SCHED_CLOCK=y
> 
> #
> # Scheduler features
> #
> # end of Scheduler features
> 
> CONFIG_CC_IMPLICIT_FALLTHROUGH="-Wimplicit-fallthrough=5"
> CONFIG_GCC12_NO_ARRAY_BOUNDS=y
> CONFIG_CC_NO_ARRAY_BOUNDS=y
> # CONFIG_CGROUPS is not set
> CONFIG_NAMESPACES=y
> # CONFIG_UTS_NS is not set
> CONFIG_IPC_NS=y
> # CONFIG_USER_NS is not set
> # CONFIG_PID_NS is not set
> CONFIG_NET_NS=y
> # CONFIG_CHECKPOINT_RESTORE is not set
> # CONFIG_SCHED_AUTOGROUP is not set
> # CONFIG_SYSFS_DEPRECATED is not set
> # CONFIG_RELAY is not set
> CONFIG_BLK_DEV_INITRD=y
> CONFIG_INITRAMFS_SOURCE=""
> CONFIG_RD_GZIP=y
> CONFIG_RD_BZIP2=y
> CONFIG_RD_LZMA=y
> CONFIG_RD_XZ=y
> CONFIG_RD_LZO=y
> CONFIG_RD_LZ4=y
> CONFIG_RD_ZSTD=y
> # CONFIG_BOOT_CONFIG is not set
> CONFIG_INITRAMFS_PRESERVE_MTIME=y
> CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
> # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
> CONFIG_SYSCTL=y
> CONFIG_EXPERT=y
> CONFIG_MULTIUSER=y
> # CONFIG_SGETMASK_SYSCALL is not set
> CONFIG_SYSFS_SYSCALL=y
> CONFIG_FHANDLE=y
> CONFIG_POSIX_TIMERS=y
> CONFIG_PRINTK=y
> CONFIG_BUG=y
> CONFIG_ELF_CORE=y
> CONFIG_BASE_FULL=y
> CONFIG_FUTEX=y
> CONFIG_FUTEX_PI=y
> CONFIG_EPOLL=y
> CONFIG_SIGNALFD=y
> CONFIG_TIMERFD=y
> CONFIG_EVENTFD=y
> CONFIG_SHMEM=y
> CONFIG_AIO=y
> CONFIG_IO_URING=y
> CONFIG_ADVISE_SYSCALLS=y
> CONFIG_MEMBARRIER=y
> CONFIG_KALLSYMS=y
> # CONFIG_KALLSYMS_ALL is not set
> CONFIG_KALLSYMS_BASE_RELATIVE=y
> # CONFIG_KCMP is not set
> CONFIG_EMBEDDED=y
> CONFIG_HAVE_PERF_EVENTS=y
> # CONFIG_PC104 is not set
> 
> #
> # Kernel Performance Events And Counters
> #
> CONFIG_PERF_EVENTS=y
> # CONFIG_DEBUG_PERF_USE_VMALLOC is not set
> # end of Kernel Performance Events And Counters
> 
> # CONFIG_PROFILING is not set
> CONFIG_TRACEPOINTS=y
> # end of General setup
> 
> CONFIG_ARC=y
> CONFIG_LOCKDEP_SUPPORT=y
> CONFIG_SCHED_OMIT_FRAME_POINTER=y
> CONFIG_GENERIC_CSUM=y
> CONFIG_ARCH_FLATMEM_ENABLE=y
> CONFIG_MMU=y
> CONFIG_NO_IOPORT_MAP=y
> CONFIG_GENERIC_CALIBRATE_DELAY=y
> CONFIG_GENERIC_HWEIGHT=y
> CONFIG_STACKTRACE_SUPPORT=y
> 
> #
> # ARC Architecture Configuration
> #
> 
> #
> # ARC Platform/SoC/Board
> #
> # CONFIG_ARC_PLAT_TB10X is not set
> # CONFIG_ARC_PLAT_AXS10X is not set
> # CONFIG_ARC_SOC_HSDK is not set
> # end of ARC Platform/SoC/Board
> 
> # CONFIG_ISA_ARCOMPACT is not set
> CONFIG_ISA_ARCV2=y
> 
> #
> # ARC CPU Configuration
> #
> CONFIG_ARC_CPU_HS=y
> CONFIG_ARC_TUNE_MCPU=""
> # CONFIG_CPU_BIG_ENDIAN is not set
> CONFIG_SMP=y
> CONFIG_NR_CPUS=4
> # CONFIG_ARC_SMP_HALT_ON_RESET is not set
> CONFIG_ARC_MCIP=y
> CONFIG_ARC_CACHE=y
> CONFIG_ARC_CACHE_LINE_SHIFT=6
> CONFIG_ARC_HAS_ICACHE=y
> CONFIG_ARC_HAS_DCACHE=y
> CONFIG_ARC_CACHE_PAGES=y
> # CONFIG_ARC_HAS_ICCM is not set
> # CONFIG_ARC_HAS_DCCM is not set
> CONFIG_ARC_MMU_V4=y
> CONFIG_ARC_PAGE_SIZE_8K=y
> # CONFIG_ARC_PAGE_SIZE_16K is not set
> # CONFIG_ARC_PAGE_SIZE_4K is not set
> CONFIG_PGTABLE_LEVELS=2
> # CONFIG_ARC_FPU_SAVE_RESTORE is not set
> CONFIG_ARC_HAS_LLSC=y
> CONFIG_ARC_HAS_SWAPE=y
> CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS=y
> CONFIG_ARC_HAS_LL64=y
> CONFIG_ARC_HAS_DIV_REM=y
> CONFIG_ARC_HAS_ACCL_REGS=y
> CONFIG_ARC_DSP_NONE=y
> # CONFIG_ARC_DSP_KERNEL is not set
> # CONFIG_ARC_DSP_USERSPACE is not set
> # CONFIG_ARC_DSP_AGU_USERSPACE is not set
> # CONFIG_ARC_IRQ_NO_AUTOSAVE is not set
> # CONFIG_ARC_LPB_DISABLE is not set
> # end of ARC CPU Configuration
> 
> CONFIG_LINUX_LINK_BASE=0x80000000
> CONFIG_LINUX_RAM_BASE=0x80000000
> # CONFIG_HIGHMEM is not set
> # CONFIG_ARC_HAS_PAE40 is not set
> CONFIG_ARC_KVADDR_SIZE=256
> CONFIG_ARC_CURR_IN_REG=y
> CONFIG_HZ=100
> # CONFIG_ARC_METAWARE_HLINK is not set
> CONFIG_ARC_DBG=y
> CONFIG_ARC_DW2_UNWIND=y
> CONFIG_ARC_BUILTIN_DTB_NAME="haps_hs_idu"
> # end of ARC Architecture Configuration
> 
> CONFIG_ARCH_FORCE_MAX_ORDER=11
> # CONFIG_PM is not set
> 
> #
> # General architecture-dependent options
> #
> CONFIG_KPROBES=y
> # CONFIG_JUMP_LABEL is not set
> CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
> CONFIG_KRETPROBES=y
> CONFIG_HAVE_IOREMAP_PROT=y
> CONFIG_HAVE_KPROBES=y
> CONFIG_HAVE_KRETPROBES=y
> CONFIG_TRACE_IRQFLAGS_SUPPORT=y
> CONFIG_HAVE_ARCH_TRACEHOOK=y
> CONFIG_GENERIC_SMP_IDLE_THREAD=y
> CONFIG_ARCH_32BIT_OFF_T=y
> CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
> CONFIG_HAVE_ARCH_JUMP_LABEL=y
> CONFIG_LTO_NONE=y
> CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
> CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
> CONFIG_MODULES_USE_ELF_RELA=y
> CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
> CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
> CONFIG_CLONE_BACKWARDS=y
> CONFIG_COMPAT_32BIT_TIME=y
> 
> #
> # GCOV-based kernel profiling
> #
> # end of GCOV-based kernel profiling
> # end of General architecture-dependent options
> 
> CONFIG_RT_MUTEXES=y
> CONFIG_BASE_SMALL=0
> CONFIG_MODULES=y
> # CONFIG_MODULE_FORCE_LOAD is not set
> # CONFIG_MODULE_UNLOAD is not set
> # CONFIG_MODVERSIONS is not set
> # CONFIG_MODULE_SRCVERSION_ALL is not set
> # CONFIG_MODULE_SIG is not set
> CONFIG_MODULE_COMPRESS_NONE=y
> # CONFIG_MODULE_COMPRESS_GZIP is not set
> # CONFIG_MODULE_COMPRESS_XZ is not set
> # CONFIG_MODULE_COMPRESS_ZSTD is not set
> # CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS is not set
> CONFIG_MODPROBE_PATH="/sbin/modprobe"
> # CONFIG_TRIM_UNUSED_KSYMS is not set
> CONFIG_MODULES_TREE_LOOKUP=y
> CONFIG_BLOCK=y
> CONFIG_BLOCK_LEGACY_AUTOLOAD=y
> # CONFIG_BLK_DEV_BSGLIB is not set
> # CONFIG_BLK_DEV_INTEGRITY is not set
> # CONFIG_BLK_DEV_ZONED is not set
> # CONFIG_BLK_WBT is not set
> # CONFIG_BLK_SED_OPAL is not set
> # CONFIG_BLK_INLINE_ENCRYPTION is not set
> 
> #
> # Partition Types
> #
> # CONFIG_PARTITION_ADVANCED is not set
> CONFIG_MSDOS_PARTITION=y
> CONFIG_EFI_PARTITION=y
> # end of Partition Types
> 
> #
> # IO Schedulers
> #
> CONFIG_MQ_IOSCHED_DEADLINE=y
> CONFIG_MQ_IOSCHED_KYBER=y
> # CONFIG_IOSCHED_BFQ is not set
> # end of IO Schedulers
> 
> 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
> 
> #
> # Executable file formats
> #
> CONFIG_BINFMT_ELF=y
> CONFIG_ELFCORE=y
> CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
> CONFIG_BINFMT_SCRIPT=y
> # CONFIG_BINFMT_MISC is not set
> CONFIG_COREDUMP=y
> # end of Executable file formats
> 
> #
> # Memory Management options
> #
> # CONFIG_SWAP is not set
> 
> #
> # SLAB allocator options
> #
> CONFIG_SLAB=y
> # CONFIG_SLUB is not set
> # CONFIG_SLOB is not set
> CONFIG_SLAB_MERGE_DEFAULT=y
> # CONFIG_SLAB_FREELIST_RANDOM is not set
> # CONFIG_SLAB_FREELIST_HARDENED is not set
> # end of SLAB allocator options
> 
> # CONFIG_SHUFFLE_PAGE_ALLOCATOR is not set
> # CONFIG_COMPAT_BRK is not set
> CONFIG_FLATMEM=y
> CONFIG_SPLIT_PTLOCK_CPUS=4
> # CONFIG_COMPACTION is not set
> # CONFIG_PAGE_REPORTING is not set
> # CONFIG_KSM is not set
> CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
> # CONFIG_TRANSPARENT_HUGEPAGE is not set
> # CONFIG_CMA is not set
> # CONFIG_IDLE_PAGE_TRACKING is not set
> CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
> # CONFIG_VM_EVENT_COUNTERS is not set
> # CONFIG_PERCPU_STATS is not set
> 
> #
> # GUP_TEST needs to have DEBUG_FS enabled
> #
> CONFIG_ARCH_HAS_PTE_SPECIAL=y
> # CONFIG_ANON_VMA_NAME is not set
> # CONFIG_USERFAULTFD is not set
> # CONFIG_LRU_GEN is not set
> 
> #
> # Data Access Monitoring
> #
> # CONFIG_DAMON is not set
> # end of Data Access Monitoring
> # end of Memory Management options
> 
> CONFIG_NET=y
> CONFIG_SKB_EXTENSIONS=y
> 
> #
> # Networking options
> #
> CONFIG_PACKET=y
> CONFIG_PACKET_DIAG=y
> CONFIG_UNIX=y
> CONFIG_UNIX_SCM=y
> CONFIG_AF_UNIX_OOB=y
> CONFIG_UNIX_DIAG=y
> # CONFIG_TLS is not set
> CONFIG_XFRM=y
> CONFIG_XFRM_ALGO=y
> # CONFIG_XFRM_USER is not set
> # CONFIG_XFRM_SUB_POLICY is not set
> # CONFIG_XFRM_MIGRATE is not set
> # CONFIG_XFRM_STATISTICS is not set
> CONFIG_NET_KEY=y
> # CONFIG_NET_KEY_MIGRATE is not set
> CONFIG_INET=y
> # CONFIG_IP_MULTICAST is not set
> # CONFIG_IP_ADVANCED_ROUTER is not set
> # CONFIG_IP_PNP is not set
> # CONFIG_NET_IPIP is not set
> # CONFIG_NET_IPGRE_DEMUX is not set
> # CONFIG_SYN_COOKIES is not set
> # CONFIG_NET_IPVTI is not set
> # CONFIG_NET_FOU is not set
> # CONFIG_INET_AH is not set
> # CONFIG_INET_ESP is not set
> # CONFIG_INET_IPCOMP is not set
> CONFIG_INET_TABLE_PERTURB_ORDER=16
> CONFIG_INET_DIAG=y
> CONFIG_INET_TCP_DIAG=y
> # CONFIG_INET_UDP_DIAG is not set
> # CONFIG_INET_RAW_DIAG is not set
> # CONFIG_INET_DIAG_DESTROY is not set
> # CONFIG_TCP_CONG_ADVANCED is not set
> CONFIG_TCP_CONG_CUBIC=y
> CONFIG_DEFAULT_TCP_CONG="cubic"
> # CONFIG_TCP_MD5SIG is not set
> # CONFIG_IPV6 is not set
> # CONFIG_MPTCP is not set
> # CONFIG_NETWORK_SECMARK is not set
> # CONFIG_NETWORK_PHY_TIMESTAMPING is not set
> # CONFIG_NETFILTER is not set
> # CONFIG_BPFILTER is not set
> # CONFIG_IP_DCCP is not set
> # CONFIG_IP_SCTP is not set
> # CONFIG_RDS is not set
> # CONFIG_TIPC is not set
> # CONFIG_ATM is not set
> # CONFIG_L2TP is not set
> # CONFIG_BRIDGE is not set
> # CONFIG_NET_DSA is not set
> # CONFIG_VLAN_8021Q is not set
> # CONFIG_LLC2 is not set
> # CONFIG_ATALK is not set
> # CONFIG_X25 is not set
> # CONFIG_LAPB is not set
> # CONFIG_PHONET is not set
> # CONFIG_IEEE802154 is not set
> # CONFIG_NET_SCHED is not set
> # CONFIG_DCB is not set
> # CONFIG_BATMAN_ADV is not set
> # CONFIG_OPENVSWITCH is not set
> # CONFIG_VSOCKETS is not set
> # CONFIG_NETLINK_DIAG is not set
> # CONFIG_MPLS is not set
> # CONFIG_NET_NSH is not set
> # CONFIG_HSR is not set
> # CONFIG_NET_SWITCHDEV is not set
> # CONFIG_NET_L3_MASTER_DEV is not set
> # CONFIG_QRTR is not set
> # CONFIG_NET_NCSI is not set
> CONFIG_PCPU_DEV_REFCNT=y
> CONFIG_RPS=y
> CONFIG_RFS_ACCEL=y
> CONFIG_SOCK_RX_QUEUE_MAPPING=y
> CONFIG_XPS=y
> CONFIG_NET_RX_BUSY_POLL=y
> CONFIG_BQL=y
> CONFIG_NET_FLOW_LIMIT=y
> 
> #
> # Network testing
> #
> # CONFIG_NET_PKTGEN is not set
> # CONFIG_NET_DROP_MONITOR is not set
> # end of Network testing
> # end of Networking options
> 
> # CONFIG_HAMRADIO is not set
> # CONFIG_CAN is not set
> # CONFIG_BT is not set
> # CONFIG_AF_RXRPC is not set
> # CONFIG_AF_KCM is not set
> # CONFIG_MCTP is not set
> # CONFIG_WIRELESS is not set
> # CONFIG_RFKILL is not set
> # CONFIG_NET_9P is not set
> # CONFIG_CAIF is not set
> # CONFIG_CEPH_LIB is not set
> # CONFIG_NFC is not set
> # CONFIG_PSAMPLE is not set
> # CONFIG_NET_IFE is not set
> # CONFIG_LWTUNNEL is not set
> CONFIG_GRO_CELLS=y
> # CONFIG_FAILOVER is not set
> CONFIG_ETHTOOL_NETLINK=y
> 
> #
> # Device Drivers
> #
> # CONFIG_PCCARD is not set
> 
> #
> # Generic Driver Options
> #
> # CONFIG_UEVENT_HELPER is not set
> CONFIG_DEVTMPFS=y
> # CONFIG_DEVTMPFS_MOUNT is not set
> # CONFIG_DEVTMPFS_SAFE is not set
> # CONFIG_STANDALONE is not set
> # CONFIG_PREVENT_FIRMWARE_BUILD is not set
> 
> #
> # Firmware loader
> #
> CONFIG_FW_LOADER=y
> CONFIG_EXTRA_FIRMWARE=""
> # CONFIG_FW_LOADER_USER_HELPER is not set
> # CONFIG_FW_LOADER_COMPRESS is not set
> # CONFIG_FW_UPLOAD is not set
> # end of Firmware loader
> 
> CONFIG_ALLOW_DEV_COREDUMP=y
> # CONFIG_DEBUG_DRIVER is not set
> # CONFIG_DEBUG_DEVRES is not set
> # CONFIG_DEBUG_TEST_DRIVER_REMOVE is not set
> # CONFIG_TEST_ASYNC_DRIVER_PROBE is not set
> # end of Generic Driver Options
> 
> #
> # Bus devices
> #
> # CONFIG_MHI_BUS is not set
> # CONFIG_MHI_BUS_EP is not set
> # end of Bus devices
> 
> # CONFIG_CONNECTOR is not set
> 
> #
> # Firmware Drivers
> #
> 
> #
> # ARM System Control and Management Interface Protocol
> #
> # end of ARM System Control and Management Interface Protocol
> 
> # CONFIG_FIRMWARE_MEMMAP is not set
> # CONFIG_GOOGLE_FIRMWARE 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_KOBJ=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
> # CONFIG_BLK_DEV is not set
> 
> #
> # NVME Support
> #
> # CONFIG_NVME_FC is not set
> # CONFIG_NVME_TCP is not set
> # 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_OPEN_DICE is not set
> # CONFIG_VCPU_STALL_DETECTOR 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
> # CONFIG_RAID_ATTRS is not set
> # CONFIG_SCSI is not set
> # end of SCSI device support
> 
> # CONFIG_ATA is not set
> # CONFIG_MD is not set
> # CONFIG_TARGET_CORE is not set
> CONFIG_NETDEVICES=y
> CONFIG_NET_CORE=y
> # CONFIG_BONDING is not set
> # CONFIG_DUMMY is not set
> # CONFIG_WIREGUARD is not set
> # CONFIG_EQUALIZER is not set
> # CONFIG_NET_TEAM is not set
> # CONFIG_MACVLAN is not set
> # CONFIG_IPVLAN is not set
> # CONFIG_VXLAN is not set
> # CONFIG_GENEVE is not set
> # CONFIG_BAREUDP is not set
> # CONFIG_GTP is not set
> # CONFIG_MACSEC is not set
> # CONFIG_NETCONSOLE is not set
> # CONFIG_TUN is not set
> # CONFIG_TUN_VNET_CROSS_LE is not set
> # CONFIG_VETH is not set
> # CONFIG_NLMON is not set
> # CONFIG_ETHERNET is not set
> # CONFIG_PHYLIB is not set
> # CONFIG_PSE_CONTROLLER is not set
> # CONFIG_MDIO_DEVICE is not set
> 
> #
> # PCS device drivers
> #
> # end of PCS device drivers
> 
> # CONFIG_PPP is not set
> # CONFIG_SLIP is not set
> 
> #
> # Host-side USB support is needed for USB Network Adapter support
> #
> # CONFIG_WLAN is not set
> # CONFIG_WAN is not set
> 
> #
> # Wireless WAN
> #
> # CONFIG_WWAN is not set
> # end of Wireless WAN
> 
> # CONFIG_NET_FAILOVER is not set
> # CONFIG_ISDN is not set
> 
> #
> # Input device support
> #
> CONFIG_INPUT=y
> # CONFIG_INPUT_FF_MEMLESS is not set
> # CONFIG_INPUT_SPARSEKMAP is not set
> # CONFIG_INPUT_MATRIXKMAP is not set
> 
> #
> # Userland interfaces
> #
> # CONFIG_INPUT_MOUSEDEV is not set
> # CONFIG_INPUT_JOYDEV is not set
> CONFIG_INPUT_EVDEV=y
> # CONFIG_INPUT_EVBUG is not set
> 
> #
> # Input Device Drivers
> #
> # CONFIG_INPUT_KEYBOARD is not set
> # CONFIG_INPUT_MOUSE is not set
> # CONFIG_INPUT_JOYSTICK is not set
> # CONFIG_INPUT_TABLET is not set
> # CONFIG_INPUT_TOUCHSCREEN is not set
> # CONFIG_INPUT_MISC is not set
> # CONFIG_RMI4_CORE 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=y
> CONFIG_VT=y
> CONFIG_CONSOLE_TRANSLATIONS=y
> CONFIG_VT_CONSOLE=y
> CONFIG_HW_CONSOLE=y
> # CONFIG_VT_HW_CONSOLE_BINDING is not set
> CONFIG_UNIX98_PTYS=y
> # CONFIG_LEGACY_PTYS is not set
> CONFIG_LDISC_AUTOLOAD=y
> 
> #
> # Serial drivers
> #
> CONFIG_SERIAL_EARLYCON=y
> CONFIG_SERIAL_8250=y
> CONFIG_SERIAL_8250_DEPRECATED_OPTIONS=y
> CONFIG_SERIAL_8250_16550A_VARIANTS=y
> # CONFIG_SERIAL_8250_FINTEK is not set
> CONFIG_SERIAL_8250_CONSOLE=y
> CONFIG_SERIAL_8250_NR_UARTS=1
> CONFIG_SERIAL_8250_RUNTIME_UARTS=1
> # CONFIG_SERIAL_8250_EXTENDED is not set
> CONFIG_SERIAL_8250_DWLIB=y
> CONFIG_SERIAL_8250_DW=y
> # CONFIG_SERIAL_8250_RT288X is not set
> CONFIG_SERIAL_OF_PLATFORM=y
> 
> #
> # Non-8250 serial port support
> #
> # CONFIG_SERIAL_UARTLITE is not set
> CONFIG_SERIAL_CORE=y
> CONFIG_SERIAL_CORE_CONSOLE=y
> # CONFIG_SERIAL_SIFIVE is not set
> # CONFIG_SERIAL_SCCNXP is not set
> # CONFIG_SERIAL_ALTERA_JTAGUART is not set
> # CONFIG_SERIAL_ALTERA_UART is not set
> # CONFIG_SERIAL_XILINX_PS_UART is not set
> # CONFIG_SERIAL_ARC is not set
> # CONFIG_SERIAL_FSL_LPUART is not set
> # CONFIG_SERIAL_FSL_LINFLEXUART is not set
> # CONFIG_SERIAL_CONEXANT_DIGICOLOR is not set
> # CONFIG_SERIAL_SPRD is not set
> # end of Serial drivers
> 
> # CONFIG_SERIAL_NONSTANDARD is not set
> # CONFIG_N_GSM is not set
> # CONFIG_NULL_TTY is not set
> # CONFIG_SERIAL_DEV_BUS is not set
> # CONFIG_TTY_PRINTK is not set
> # CONFIG_VIRTIO_CONSOLE is not set
> # CONFIG_IPMI_HANDLER is not set
> # CONFIG_HW_RANDOM is not set
> CONFIG_DEVMEM=y
> # CONFIG_TCG_TPM is not set
> # CONFIG_XILLYBUS is not set
> CONFIG_RANDOM_TRUST_CPU=y
> CONFIG_RANDOM_TRUST_BOOTLOADER=y
> # 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 is not set
> 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 is not set
> # CONFIG_POWER_SUPPLY 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
> # CONFIG_RC_CORE 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
> 
> #
> # Console display driver support
> #
> CONFIG_DUMMY_CONSOLE=y
> CONFIG_DUMMY_CONSOLE_COLUMNS=80
> CONFIG_DUMMY_CONSOLE_ROWS=25
> # end of Console display driver support
> # end of Graphics support
> 
> # CONFIG_SOUND is not set
> 
> #
> # HID support
> #
> # CONFIG_HID is not set
> # end of HID support
> 
> 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_INFINIBAND is not set
> # 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=y
> # CONFIG_VIRTIO_MMIO is not set
> # CONFIG_VDPA is not set
> CONFIG_VHOST_MENU=y
> # CONFIG_VHOST_NET is not set
> # CONFIG_VHOST_CROSS_ENDIAN_LEGACY is not set
> 
> #
> # Microsoft Hyper-V guest support
> #
> # end of Microsoft Hyper-V guest support
> 
> # CONFIG_GREYBUS is not set
> # CONFIG_COMEDI is not set
> # CONFIG_STAGING is not set
> # CONFIG_GOLDFISH is not set
> CONFIG_HAVE_CLK=y
> CONFIG_HAVE_CLK_PREPARE=y
> CONFIG_COMMON_CLK=y
> # CONFIG_COMMON_CLK_AXI_CLKGEN is not set
> # CONFIG_COMMON_CLK_FIXED_MMIO is not set
> # CONFIG_XILINX_VCU is not set
> # CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set
> # CONFIG_HWSPINLOCK is not set
> 
> #
> # Clock Source drivers
> #
> CONFIG_TIMER_OF=y
> CONFIG_TIMER_PROBE=y
> CONFIG_ARC_TIMERS=y
> CONFIG_ARC_TIMERS_64BIT=y
> # 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
> #
> # end of Broadcom SoC drivers
> 
> #
> # NXP/Freescale QorIQ SoC drivers
> #
> # end of NXP/Freescale QorIQ SoC drivers
> 
> #
> # fujitsu SoC drivers
> #
> # end of fujitsu 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_AL_FIC is not set
> # CONFIG_XILINX_INTC is not set
> # 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_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_DPHY_RX is not set
> # CONFIG_PHY_CADENCE_SALVO 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
> 
> #
> # Performance monitor support
> #
> # end of Performance monitor support
> 
> # CONFIG_RAS is not set
> 
> #
> # Android
> #
> # CONFIG_ANDROID_BINDER_IPC 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_SIOX is not set
> # CONFIG_SLIMBUS is not set
> # CONFIG_INTERCONNECT is not set
> # CONFIG_COUNTER is not set
> # CONFIG_PECI is not set
> # CONFIG_HTE is not set
> # end of Device Drivers
> 
> #
> # File systems
> #
> # CONFIG_VALIDATE_FS_PARSER is not set
> CONFIG_FS_IOMAP=y
> CONFIG_EXT2_FS=y
> CONFIG_EXT2_FS_XATTR=y
> # CONFIG_EXT2_FS_POSIX_ACL is not set
> # CONFIG_EXT2_FS_SECURITY is not set
> # CONFIG_EXT3_FS is not set
> # CONFIG_EXT4_FS is not set
> CONFIG_FS_MBCACHE=y
> # CONFIG_REISERFS_FS is not set
> # CONFIG_JFS_FS is not set
> # CONFIG_XFS_FS is not set
> # CONFIG_GFS2_FS is not set
> # CONFIG_BTRFS_FS is not set
> # CONFIG_NILFS2_FS is not set
> # CONFIG_F2FS_FS is not set
> CONFIG_EXPORTFS=y
> # CONFIG_EXPORTFS_BLOCK_OPS is not set
> CONFIG_FILE_LOCKING=y
> # CONFIG_FS_ENCRYPTION is not set
> # CONFIG_FS_VERITY is not set
> CONFIG_FSNOTIFY=y
> CONFIG_DNOTIFY=y
> CONFIG_INOTIFY_USER=y
> # 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
> 
> #
> # CD-ROM/DVD Filesystems
> #
> # CONFIG_ISO9660_FS is not set
> # CONFIG_UDF_FS is not set
> # end of CD-ROM/DVD Filesystems
> 
> #
> # DOS/FAT/EXFAT/NT Filesystems
> #
> # CONFIG_MSDOS_FS is not set
> # CONFIG_VFAT_FS is not set
> # CONFIG_EXFAT_FS is not set
> # CONFIG_NTFS_FS is not set
> # CONFIG_NTFS3_FS is not set
> # end of DOS/FAT/EXFAT/NT Filesystems
> 
> #
> # Pseudo filesystems
> #
> CONFIG_PROC_FS=y
> # CONFIG_PROC_KCORE is not set
> CONFIG_PROC_SYSCTL=y
> CONFIG_PROC_PAGE_MONITOR=y
> # CONFIG_PROC_CHILDREN is not set
> CONFIG_KERNFS=y
> CONFIG_SYSFS=y
> CONFIG_TMPFS=y
> # CONFIG_TMPFS_POSIX_ACL is not set
> # CONFIG_TMPFS_XATTR is not set
> CONFIG_MEMFD_CREATE=y
> # CONFIG_CONFIGFS_FS is not set
> # end of Pseudo filesystems
> 
> # CONFIG_MISC_FILESYSTEMS is not set
> CONFIG_NETWORK_FILESYSTEMS=y
> CONFIG_NFS_FS=y
> CONFIG_NFS_V2=y
> CONFIG_NFS_V3=y
> # CONFIG_NFS_V3_ACL is not set
> # CONFIG_NFS_V4 is not set
> CONFIG_NFS_DISABLE_UDP_SUPPORT=y
> # CONFIG_NFSD is not set
> CONFIG_GRACE_PERIOD=y
> CONFIG_LOCKD=y
> CONFIG_LOCKD_V4=y
> CONFIG_NFS_COMMON=y
> CONFIG_SUNRPC=y
> # CONFIG_SUNRPC_DEBUG is not set
> # CONFIG_CEPH_FS is not set
> # CONFIG_CIFS is not set
> # CONFIG_SMB_SERVER is not set
> # CONFIG_CODA_FS is not set
> # CONFIG_AFS_FS is not set
> # CONFIG_NLS is not set
> # CONFIG_UNICODE is not set
> CONFIG_IO_WQ=y
> # end of File systems
> 
> #
> # Security options
> #
> # CONFIG_KEYS is not set
> # CONFIG_SECURITY_DMESG_RESTRICT is not set
> # CONFIG_SECURITY is not set
> # CONFIG_SECURITYFS is not set
> CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y
> # CONFIG_HARDENED_USERCOPY 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_CC_HAS_AUTO_VAR_INIT_PATTERN=y
> CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO_BARE=y
> CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO=y
> # CONFIG_INIT_STACK_NONE is not set
> # CONFIG_INIT_STACK_ALL_PATTERN is not set
> CONFIG_INIT_STACK_ALL_ZERO=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
> 
> CONFIG_RANDSTRUCT_NONE=y
> # end of Kernel hardening options
> # end of Security options
> 
> CONFIG_CRYPTO=y
> 
> #
> # Crypto core or helper
> #
> CONFIG_CRYPTO_ALGAPI=y
> CONFIG_CRYPTO_ALGAPI2=y
> CONFIG_CRYPTO_SKCIPHER=y
> CONFIG_CRYPTO_SKCIPHER2=y
> CONFIG_CRYPTO_HASH=y
> CONFIG_CRYPTO_HASH2=y
> CONFIG_CRYPTO_RNG2=y
> # CONFIG_CRYPTO_MANAGER is not set
> # CONFIG_CRYPTO_USER is not set
> CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
> # CONFIG_CRYPTO_NULL is not set
> # CONFIG_CRYPTO_PCRYPT is not set
> # CONFIG_CRYPTO_CRYPTD is not set
> # CONFIG_CRYPTO_AUTHENC is not set
> # CONFIG_CRYPTO_TEST is not set
> # end of Crypto core or helper
> 
> #
> # Public-key cryptography
> #
> # CONFIG_CRYPTO_RSA is not set
> # CONFIG_CRYPTO_DH is not set
> # CONFIG_CRYPTO_ECDH is not set
> # CONFIG_CRYPTO_ECDSA is not set
> # CONFIG_CRYPTO_ECRDSA is not set
> # CONFIG_CRYPTO_SM2 is not set
> # CONFIG_CRYPTO_CURVE25519 is not set
> # end of Public-key cryptography
> 
> #
> # Block ciphers
> #
> # CONFIG_CRYPTO_AES is not set
> # CONFIG_CRYPTO_AES_TI is not set
> # CONFIG_CRYPTO_ARIA is not set
> # CONFIG_CRYPTO_BLOWFISH is not set
> # CONFIG_CRYPTO_CAMELLIA is not set
> # CONFIG_CRYPTO_CAST5 is not set
> # CONFIG_CRYPTO_CAST6 is not set
> # CONFIG_CRYPTO_DES is not set
> # CONFIG_CRYPTO_FCRYPT is not set
> # CONFIG_CRYPTO_SERPENT is not set
> # CONFIG_CRYPTO_SM4_GENERIC is not set
> # CONFIG_CRYPTO_TWOFISH is not set
> # end of Block ciphers
> 
> #
> # Length-preserving ciphers and modes
> #
> # CONFIG_CRYPTO_ADIANTUM is not set
> # CONFIG_CRYPTO_CHACHA20 is not set
> # CONFIG_CRYPTO_CBC is not set
> # CONFIG_CRYPTO_CFB is not set
> # CONFIG_CRYPTO_CTR is not set
> # CONFIG_CRYPTO_CTS is not set
> # CONFIG_CRYPTO_ECB is not set
> # CONFIG_CRYPTO_HCTR2 is not set
> # CONFIG_CRYPTO_KEYWRAP is not set
> # CONFIG_CRYPTO_LRW is not set
> # CONFIG_CRYPTO_OFB is not set
> # CONFIG_CRYPTO_PCBC is not set
> # CONFIG_CRYPTO_XTS is not set
> # end of Length-preserving ciphers and modes
> 
> #
> # AEAD (authenticated encryption with associated data) ciphers
> #
> # CONFIG_CRYPTO_AEGIS128 is not set
> # CONFIG_CRYPTO_CHACHA20POLY1305 is not set
> # CONFIG_CRYPTO_CCM is not set
> # CONFIG_CRYPTO_GCM is not set
> # CONFIG_CRYPTO_SEQIV is not set
> # CONFIG_CRYPTO_ECHAINIV is not set
> # CONFIG_CRYPTO_ESSIV is not set
> # end of AEAD (authenticated encryption with associated data) ciphers
> 
> #
> # Hashes, digests, and MACs
> #
> # CONFIG_CRYPTO_BLAKE2B is not set
> # CONFIG_CRYPTO_CMAC is not set
> # CONFIG_CRYPTO_GHASH is not set
> # CONFIG_CRYPTO_HMAC is not set
> # CONFIG_CRYPTO_MD4 is not set
> # CONFIG_CRYPTO_MD5 is not set
> # CONFIG_CRYPTO_MICHAEL_MIC is not set
> # CONFIG_CRYPTO_POLY1305 is not set
> # CONFIG_CRYPTO_RMD160 is not set
> # CONFIG_CRYPTO_SHA1 is not set
> # CONFIG_CRYPTO_SHA256 is not set
> # CONFIG_CRYPTO_SHA512 is not set
> # CONFIG_CRYPTO_SHA3 is not set
> # CONFIG_CRYPTO_SM3_GENERIC is not set
> # CONFIG_CRYPTO_STREEBOG is not set
> # CONFIG_CRYPTO_VMAC is not set
> # CONFIG_CRYPTO_WP512 is not set
> # CONFIG_CRYPTO_XCBC is not set
> # CONFIG_CRYPTO_XXHASH is not set
> # end of Hashes, digests, and MACs
> 
> #
> # CRCs (cyclic redundancy checks)
> #
> # CONFIG_CRYPTO_CRC32C is not set
> # CONFIG_CRYPTO_CRC32 is not set
> # CONFIG_CRYPTO_CRCT10DIF is not set
> # end of CRCs (cyclic redundancy checks)
> 
> #
> # Compression
> #
> # CONFIG_CRYPTO_DEFLATE is not set
> # CONFIG_CRYPTO_LZO is not set
> # CONFIG_CRYPTO_842 is not set
> # CONFIG_CRYPTO_LZ4 is not set
> # CONFIG_CRYPTO_LZ4HC is not set
> # CONFIG_CRYPTO_ZSTD is not set
> # end of Compression
> 
> #
> # Random number generation
> #
> # CONFIG_CRYPTO_ANSI_CPRNG is not set
> # CONFIG_CRYPTO_DRBG_MENU is not set
> # CONFIG_CRYPTO_JITTERENTROPY is not set
> # end of Random number generation
> 
> #
> # Userspace interface
> #
> # CONFIG_CRYPTO_USER_API_HASH is not set
> # CONFIG_CRYPTO_USER_API_SKCIPHER is not set
> # CONFIG_CRYPTO_USER_API_RNG is not set
> # CONFIG_CRYPTO_USER_API_AEAD is not set
> # end of Userspace interface
> 
> CONFIG_CRYPTO_HW=y
> # CONFIG_CRYPTO_DEV_SAFEXCEL is not set
> # CONFIG_CRYPTO_DEV_CCREE is not set
> # CONFIG_CRYPTO_DEV_AMLOGIC_GXL is not set
> 
> #
> # Certificates for signature checking
> #
> # end of Certificates for signature checking
> 
> CONFIG_BINARY_PRINTF=y
> 
> #
> # Library routines
> #
> # CONFIG_PACKING is not set
> CONFIG_BITREVERSE=y
> CONFIG_GENERIC_STRNCPY_FROM_USER=y
> CONFIG_GENERIC_STRNLEN_USER=y
> CONFIG_GENERIC_NET_UTILS=y
> # CONFIG_CORDIC is not set
> # CONFIG_PRIME_NUMBERS is not set
> CONFIG_RATIONAL=y
> CONFIG_GENERIC_PCI_IOMAP=y
> 
> #
> # Crypto library routines
> #
> CONFIG_CRYPTO_LIB_UTILS=y
> CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
> # CONFIG_CRYPTO_LIB_CHACHA is not set
> # CONFIG_CRYPTO_LIB_CURVE25519 is not set
> CONFIG_CRYPTO_LIB_POLY1305_RSIZE=1
> # CONFIG_CRYPTO_LIB_POLY1305 is not set
> # CONFIG_CRYPTO_LIB_CHACHA20POLY1305 is not set
> CONFIG_CRYPTO_LIB_SHA1=y
> # end of Crypto library routines
> 
> # CONFIG_CRC_CCITT is not set
> # CONFIG_CRC16 is not set
> # CONFIG_CRC_T10DIF is not set
> # CONFIG_CRC64_ROCKSOFT 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_XXHASH=y
> # CONFIG_RANDOM32_SELFTEST is not set
> CONFIG_ZLIB_INFLATE=y
> CONFIG_LZO_DECOMPRESS=y
> CONFIG_LZ4_DECOMPRESS=y
> CONFIG_ZSTD_COMMON=y
> CONFIG_ZSTD_DECOMPRESS=y
> CONFIG_XZ_DEC=y
> CONFIG_XZ_DEC_X86=y
> CONFIG_XZ_DEC_POWERPC=y
> CONFIG_XZ_DEC_IA64=y
> CONFIG_XZ_DEC_ARM=y
> CONFIG_XZ_DEC_ARMTHUMB=y
> CONFIG_XZ_DEC_SPARC=y
> # CONFIG_XZ_DEC_MICROLZMA is not set
> CONFIG_XZ_DEC_BCJ=y
> # CONFIG_XZ_DEC_TEST is not set
> CONFIG_DECOMPRESS_GZIP=y
> CONFIG_DECOMPRESS_BZIP2=y
> CONFIG_DECOMPRESS_LZMA=y
> CONFIG_DECOMPRESS_XZ=y
> CONFIG_DECOMPRESS_LZO=y
> CONFIG_DECOMPRESS_LZ4=y
> CONFIG_DECOMPRESS_ZSTD=y
> CONFIG_GENERIC_ALLOCATOR=y
> CONFIG_HAS_IOMEM=y
> CONFIG_HAS_DMA=y
> CONFIG_NEED_DMA_MAP_STATE=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_DMA_NONCOHERENT_MMAP=y
> CONFIG_DMA_COHERENT_POOL=y
> CONFIG_DMA_DIRECT_REMAP=y
> # CONFIG_DMA_API_DEBUG is not set
> # CONFIG_FORCE_NR_CPUS is not set
> CONFIG_CPU_RMAP=y
> CONFIG_DQL=y
> CONFIG_GLOB=y
> # CONFIG_GLOB_SELFTEST is not set
> CONFIG_NLATTR=y
> # CONFIG_IRQ_POLL is not set
> CONFIG_LIBFDT=y
> CONFIG_SBITMAP=y
> # end of Library routines
> 
> #
> # Kernel hacking
> #
> 
> #
> # printk and dmesg options
> #
> # CONFIG_PRINTK_TIME is not set
> # CONFIG_PRINTK_CALLER is not set
> # CONFIG_STACKTRACE_BUILD_ID is not set
> CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
> CONFIG_CONSOLE_LOGLEVEL_QUIET=4
> CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
> # CONFIG_BOOT_PRINTK_DELAY is not set
> # CONFIG_DYNAMIC_DEBUG is not set
> # CONFIG_DYNAMIC_DEBUG_CORE is not set
> CONFIG_SYMBOLIC_ERRNAME=y
> # end of printk and dmesg options
> 
> CONFIG_DEBUG_KERNEL=y
> CONFIG_DEBUG_MISC=y
> 
> #
> # Compile-time checks and compiler options
> #
> CONFIG_AS_HAS_NON_CONST_LEB128=y
> CONFIG_DEBUG_INFO_NONE=y
> # CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is not set
> # CONFIG_DEBUG_INFO_DWARF4 is not set
> # CONFIG_DEBUG_INFO_DWARF5 is not set
> CONFIG_FRAME_WARN=1024
> # CONFIG_STRIP_ASM_SYMS is not set
> # CONFIG_READABLE_ASM is not set
> # CONFIG_HEADERS_INSTALL is not set
> CONFIG_DEBUG_SECTION_MISMATCH=y
> CONFIG_SECTION_MISMATCH_WARN_ONLY=y
> # CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B is not set
> # 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_UBSAN is not set
> CONFIG_HAVE_KCSAN_COMPILER=y
> # end of Generic Kernel Debugging Instruments
> 
> #
> # Networking Debugging
> #
> # CONFIG_NET_DEV_REFCNT_TRACKER is not set
> # CONFIG_NET_NS_REFCNT_TRACKER is not set
> # CONFIG_DEBUG_NET is not set
> # end of Networking Debugging
> 
> #
> # Memory Debugging
> #
> # CONFIG_PAGE_EXTENSION is not set
> # CONFIG_DEBUG_PAGEALLOC is not set
> # CONFIG_DEBUG_SLAB is not set
> # CONFIG_PAGE_OWNER is not set
> # CONFIG_PAGE_POISONING is not set
> # CONFIG_DEBUG_PAGE_REF is not set
> # 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_DEBUG_MEMORY_INIT is not set
> # CONFIG_DEBUG_PER_CPU_MAPS is not set
> CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
> # CONFIG_DEBUG_STACKOVERFLOW is not set
> CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=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_LOCKUP_DETECTOR=y
> CONFIG_SOFTLOCKUP_DETECTOR=y
> # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
> CONFIG_DETECT_HUNG_TASK=y
> CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
> # CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
> # CONFIG_WQ_WATCHDOG is not set
> # CONFIG_TEST_LOCKUP is not set
> # end of Debug Oops, Lockups and Hangs
> 
> #
> # Scheduler Debugging
> #
> CONFIG_SCHED_DEBUG=y
> # CONFIG_SCHEDSTATS is not set
> # end of Scheduler Debugging
> 
> # CONFIG_DEBUG_TIMEKEEPING is not set
> # CONFIG_DEBUG_PREEMPT is not set
> 
> #
> # Lock Debugging (spinlocks, mutexes, etc...)
> #
> CONFIG_LOCK_DEBUGGING_SUPPORT=y
> # CONFIG_PROVE_LOCKING is not set
> # CONFIG_LOCK_STAT is not set
> # CONFIG_DEBUG_RT_MUTEXES 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
> # end of Lock Debugging (spinlocks, mutexes, etc...)
> 
> # CONFIG_DEBUG_IRQFLAGS is not set
> CONFIG_STACKTRACE=y
> # 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
> # CONFIG_DEBUG_MAPLE_TREE 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_EXP_CPU_STALL_TIMEOUT=0
> CONFIG_RCU_TRACE=y
> # CONFIG_RCU_EQS_DEBUG is not set
> # end of RCU Debugging
> 
> # CONFIG_DEBUG_WQ_FORCE_RR_CPU is not set
> # CONFIG_LATENCYTOP is not set
> CONFIG_NOP_TRACER=y
> CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
> CONFIG_TRACE_CLOCK=y
> CONFIG_RING_BUFFER=y
> CONFIG_EVENT_TRACING=y
> CONFIG_CONTEXT_SWITCH_TRACER=y
> CONFIG_TRACING=y
> CONFIG_TRACING_SUPPORT=y
> CONFIG_FTRACE=y
> # CONFIG_BOOTTIME_TRACING is not set
> # CONFIG_IRQSOFF_TRACER is not set
> # CONFIG_PREEMPT_TRACER is not set
> # CONFIG_SCHED_TRACER is not set
> # CONFIG_HWLAT_TRACER is not set
> # CONFIG_OSNOISE_TRACER is not set
> # CONFIG_TIMERLAT_TRACER is not set
> # CONFIG_ENABLE_DEFAULT_TRACERS is not set
> # CONFIG_FTRACE_SYSCALLS is not set
> # CONFIG_TRACER_SNAPSHOT is not set
> CONFIG_BRANCH_PROFILE_NONE=y
> # CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
> # CONFIG_PROFILE_ALL_BRANCHES is not set
> # CONFIG_BLK_DEV_IO_TRACE is not set
> CONFIG_KPROBE_EVENTS=y
> CONFIG_DYNAMIC_EVENTS=y
> CONFIG_PROBE_EVENTS=y
> # CONFIG_SYNTH_EVENTS is not set
> # CONFIG_TRACE_EVENT_INJECT is not set
> # CONFIG_TRACEPOINT_BENCHMARK is not set
> # CONFIG_RING_BUFFER_BENCHMARK is not set
> # CONFIG_TRACE_EVAL_MAP_FILE is not set
> # CONFIG_RING_BUFFER_STARTUP_TEST is not set
> # CONFIG_RING_BUFFER_VALIDATE_TIME_DELTAS is not set
> # CONFIG_PREEMPTIRQ_DELAY_TEST is not set
> # CONFIG_KPROBE_EVENT_GEN_TEST is not set
> # CONFIG_RV is not set
> # CONFIG_SAMPLES is not set
> 
> #
> # arc Debugging
> #
> # CONFIG_16KSTACKS is not set
> # end of arc Debugging
> 
> #
> # Kernel Testing and Coverage
> #
> # CONFIG_KUNIT is not set
> # CONFIG_NOTIFIER_ERROR_INJECTION is not set
> # CONFIG_FAULT_INJECTION is not set
> CONFIG_CC_HAS_SANCOV_TRACE_PC=y
> CONFIG_RUNTIME_TESTING_MENU=y
> # CONFIG_TEST_MIN_HEAP is not set
> # CONFIG_TEST_DIV64 is not set
> # CONFIG_BACKTRACE_SELF_TEST is not set
> # CONFIG_TEST_REF_TRACKER is not set
> # CONFIG_RBTREE_TEST is not set
> # CONFIG_REED_SOLOMON_TEST is not set
> # CONFIG_INTERVAL_TREE_TEST is not set
> # CONFIG_PERCPU_TEST is not set
> # CONFIG_ATOMIC64_SELFTEST is not set
> # CONFIG_TEST_HEXDUMP is not set
> # CONFIG_STRING_SELFTEST is not set
> # CONFIG_TEST_STRING_HELPERS is not set
> # CONFIG_TEST_STRSCPY is not set
> # CONFIG_TEST_KSTRTOX is not set
> # CONFIG_TEST_PRINTF is not set
> # CONFIG_TEST_SCANF is not set
> # CONFIG_TEST_BITMAP is not set
> # CONFIG_TEST_UUID is not set
> # CONFIG_TEST_XARRAY is not set
> # CONFIG_TEST_MAPLE_TREE is not set
> # CONFIG_TEST_RHASHTABLE is not set
> # CONFIG_TEST_SIPHASH is not set
> # CONFIG_TEST_IDA is not set
> # CONFIG_TEST_LKM is not set
> # CONFIG_TEST_BITOPS is not set
> # CONFIG_TEST_VMALLOC is not set
> # CONFIG_TEST_USER_COPY is not set
> # CONFIG_TEST_BPF is not set
> # CONFIG_TEST_BLACKHOLE_DEV is not set
> # CONFIG_FIND_BIT_BENCHMARK is not set
> # CONFIG_TEST_FIRMWARE is not set
> # CONFIG_TEST_SYSCTL is not set
> # CONFIG_TEST_UDELAY is not set
> # CONFIG_TEST_STATIC_KEYS is not set
> # CONFIG_TEST_KMOD is not set
> # CONFIG_TEST_MEMCAT_P is not set
> # CONFIG_TEST_MEMINIT is not set
> # CONFIG_TEST_FREE_PAGES is not set
> # end of Kernel Testing and Coverage
> 
> #
> # Rust hacking
> #
> # end of Rust hacking
> # end of Kernel hacking
diff mbox series

Patch

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 8bbcccbc5565..2d3a49ba2261 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -664,16 +664,16 @@  static inline bool vma_is_accessible(struct vm_area_struct *vma)
 static inline
 struct vm_area_struct *vma_find(struct vma_iterator *vmi, unsigned long max)
 {
-	return mas_find(&vmi->mas, max);
+	return mas_find(&vmi->mas, max - 1);
 }
 
 static inline struct vm_area_struct *vma_next(struct vma_iterator *vmi)
 {
 	/*
-	 * Uses vma_find() to get the first VMA when the iterator starts.
+	 * Uses mas_find() to get the first VMA when the iterator starts.
 	 * Calling mas_next() could skip the first entry.
 	 */
-	return vma_find(vmi, ULONG_MAX);
+	return mas_find(&vmi->mas, ULONG_MAX);
 }
 
 static inline struct vm_area_struct *vma_prev(struct vma_iterator *vmi)
@@ -686,12 +686,50 @@  static inline unsigned long vma_iter_addr(struct vma_iterator *vmi)
 	return vmi->mas.index;
 }
 
+static inline unsigned long vma_iter_end(struct vma_iterator *vmi)
+{
+	return vmi->mas.last + 1;
+}
+static inline int vma_iter_bulk_alloc(struct vma_iterator *vmi,
+				      unsigned long count)
+{
+	return mas_expected_entries(&vmi->mas, count);
+}
+
+/* Free any unused preallocations */
+static inline void vma_iter_free(struct vma_iterator *vmi)
+{
+	mas_destroy(&vmi->mas);
+}
+
+static inline int vma_iter_bulk_store(struct vma_iterator *vmi,
+				      struct vm_area_struct *vma)
+{
+	vmi->mas.index = vma->vm_start;
+	vmi->mas.last = vma->vm_end - 1;
+	mas_store(&vmi->mas, vma);
+	if (unlikely(mas_is_err(&vmi->mas)))
+		return -ENOMEM;
+
+	return 0;
+}
+
+static inline void vma_iter_invalidate(struct vma_iterator *vmi)
+{
+	mas_pause(&vmi->mas);
+}
+
+static inline void vma_iter_set(struct vma_iterator *vmi, unsigned long addr)
+{
+	mas_set(&vmi->mas, addr);
+}
+
 #define for_each_vma(__vmi, __vma)					\
 	while (((__vma) = vma_next(&(__vmi))) != NULL)
 
 /* The MM code likes to work with exclusive end addresses */
 #define for_each_vma_range(__vmi, __vma, __end)				\
-	while (((__vma) = vma_find(&(__vmi), (__end) - 1)) != NULL)
+	while (((__vma) = vma_find(&(__vmi), (__end))) != NULL)
 
 #ifdef CONFIG_SHMEM
 /*
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 500e536796ca..faff2cc005c9 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -819,9 +819,7 @@  struct vma_iterator {
 static inline void vma_iter_init(struct vma_iterator *vmi,
 		struct mm_struct *mm, unsigned long addr)
 {
-	vmi->mas.tree = &mm->mm_mt;
-	vmi->mas.index = addr;
-	vmi->mas.node = MAS_START;
+	mas_init(&vmi->mas, &mm->mm_mt, addr);
 }
 
 struct mmu_gather;
diff --git a/mm/mmap.c b/mm/mmap.c
index c3c5c1d6103d..8f24021ef5b5 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -144,6 +144,80 @@  static void remove_vma(struct vm_area_struct *vma)
 	vm_area_free(vma);
 }
 
+static inline struct vm_area_struct *vma_iter_load(struct vma_iterator *vmi)
+{
+	return mas_walk(&vmi->mas);
+}
+
+static inline struct vm_area_struct *vma_prev_limit(struct vma_iterator *vmi,
+						    unsigned long min)
+{
+	return mas_prev(&vmi->mas, min);
+}
+
+static inline int vma_iter_prealloc(struct vma_iterator *vmi,
+				    struct vm_area_struct *vma)
+{
+	return mas_preallocate(&vmi->mas, vma, GFP_KERNEL);
+}
+
+/* Store a VMA with preallocated memory */
+static inline void vma_iter_store(struct vma_iterator *vmi,
+				  struct vm_area_struct *vma)
+{
+	if (WARN_ON(vmi->mas.node != MAS_START && vmi->mas.index > vma->vm_start)) {
+		printk("%lu > %lu\n", vmi->mas.index, vma->vm_start);
+		printk("store of vma %lu-%lu", vma->vm_start, vma->vm_end);
+		printk("into slot    %lu-%lu", vmi->mas.index, vmi->mas.last);
+		mt_dump(vmi->mas.tree);
+	}
+	if (WARN_ON(vmi->mas.node != MAS_START && vmi->mas.last <  vma->vm_start)) {
+		printk("%lu < %lu\n", vmi->mas.last, vma->vm_start);
+		printk("store of vma %lu-%lu", vma->vm_start, vma->vm_end);
+		printk("into slot    %lu-%lu", vmi->mas.index, vmi->mas.last);
+		mt_dump(vmi->mas.tree);
+	}
+
+	if (vmi->mas.node != MAS_START &&
+	    ((vmi->mas.index > vma->vm_start) || (vmi->mas.last < vma->vm_start)))
+		vma_iter_invalidate(vmi);
+
+	vmi->mas.index = vma->vm_start;
+	vmi->mas.last = vma->vm_end - 1;
+	mas_store_prealloc(&vmi->mas, vma);
+}
+
+static inline void vma_iter_clear(struct vma_iterator *vmi,
+				  unsigned long start, unsigned long end)
+{
+	mas_set_range(&vmi->mas, start, end - 1);
+	mas_store_prealloc(&vmi->mas, NULL);
+}
+
+static inline int vma_iter_store_gfp(struct vma_iterator *vmi,
+			struct vm_area_struct *vma, gfp_t gfp)
+{
+	vmi->mas.index = vma->vm_start;
+	vmi->mas.last = vma->vm_end - 1;
+	mas_store_gfp(&vmi->mas, vma, gfp);
+	if (unlikely(mas_is_err(&vmi->mas)))
+		return -ENOMEM;
+
+	return 0;
+}
+
+static inline int vma_iter_clear_gfp(struct vma_iterator *vmi,
+			unsigned long start, unsigned long end, gfp_t gfp)
+{
+	vmi->mas.index = start;
+	vmi->mas.last = end - 1;
+	mas_store_gfp(&vmi->mas, NULL, gfp);
+	if (unlikely(mas_is_err(&vmi->mas)))
+		return -ENOMEM;
+
+	return 0;
+}
+
 /*
  * check_brk_limits() - Use platform specific check of range & verify mlock
  * limits.