The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/conf/options

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    1 # $FreeBSD: releng/11.0/sys/conf/options 302163 2016-06-23 23:20:58Z imp $
    2 #
    3 #        On the handling of kernel options
    4 #
    5 # All kernel options should be listed in NOTES, with suitable
    6 # descriptions.  Negative options (options that make some code not
    7 # compile) should be commented out; LINT (generated from NOTES) should
    8 # compile as much code as possible.  Try to structure option-using
    9 # code so that a single option only switch code on, or only switch
   10 # code off, to make it possible to have a full compile-test.  If
   11 # necessary, you can check for COMPILING_LINT to get maximum code
   12 # coverage.
   13 #
   14 # All new options shall also be listed in either "conf/options" or
   15 # "conf/options.<machine>".  Options that affect a single source-file
   16 # <xxx>.[c|s] should be directed into "opt_<xxx>.h", while options
   17 # that affect multiple files should either go in "opt_global.h" if
   18 # this is a kernel-wide option (used just about everywhere), or in
   19 # "opt_<option-name-in-lower-case>.h" if it affects only some files.
   20 # Note that the effect of listing only an option without a
   21 # header-file-name in conf/options (and cousins) is that the last
   22 # convention is followed.
   23 #
   24 # This handling scheme is not yet fully implemented.
   25 #
   26 #
   27 # Format of this file:
   28 # Option name   filename
   29 #
   30 # If filename is missing, the default is
   31 # opt_<name-of-option-in-lower-case>.h
   32 
   33 AAC_DEBUG               opt_aac.h
   34 AACRAID_DEBUG           opt_aacraid.h
   35 AHC_ALLOW_MEMIO         opt_aic7xxx.h
   36 AHC_TMODE_ENABLE        opt_aic7xxx.h
   37 AHC_DUMP_EEPROM         opt_aic7xxx.h
   38 AHC_DEBUG               opt_aic7xxx.h
   39 AHC_DEBUG_OPTS          opt_aic7xxx.h
   40 AHC_REG_PRETTY_PRINT    opt_aic7xxx.h
   41 AHD_DEBUG               opt_aic79xx.h
   42 AHD_DEBUG_OPTS          opt_aic79xx.h
   43 AHD_TMODE_ENABLE        opt_aic79xx.h   
   44 AHD_REG_PRETTY_PRINT    opt_aic79xx.h
   45 ADW_ALLOW_MEMIO         opt_adw.h
   46 
   47 TWA_DEBUG               opt_twa.h
   48 TWA_FLASH_FIRMWARE      opt_twa.h
   49 
   50 # Debugging options.
   51 ALT_BREAK_TO_DEBUGGER   opt_kdb.h
   52 BREAK_TO_DEBUGGER       opt_kdb.h
   53 DDB
   54 DDB_BUFR_SIZE   opt_ddb.h
   55 DDB_CAPTURE_DEFAULTBUFSIZE      opt_ddb.h
   56 DDB_CAPTURE_MAXBUFSIZE  opt_ddb.h
   57 DDB_CTF         opt_ddb.h
   58 DDB_NUMSYM      opt_ddb.h
   59 GDB
   60 KDB             opt_global.h
   61 KDB_TRACE       opt_kdb.h
   62 KDB_UNATTENDED  opt_kdb.h
   63 KLD_DEBUG       opt_kld.h
   64 SYSCTL_DEBUG    opt_sysctl.h
   65 EARLY_PRINTF    opt_global.h
   66 TEXTDUMP_PREFERRED      opt_ddb.h
   67 TEXTDUMP_VERBOSE        opt_ddb.h
   68 
   69 # Miscellaneous options.
   70 ADAPTIVE_LOCKMGRS
   71 ALQ
   72 ALTERA_SDCARD_FAST_SIM  opt_altera_sdcard.h
   73 ATSE_CFI_HACK   opt_cfi.h
   74 AUDIT           opt_global.h
   75 BOOTHOWTO       opt_global.h
   76 BOOTVERBOSE     opt_global.h
   77 CALLOUT_PROFILING
   78 CAPABILITIES    opt_capsicum.h
   79 CAPABILITY_MODE opt_capsicum.h
   80 COMPAT_43       opt_compat.h
   81 COMPAT_43TTY    opt_compat.h
   82 COMPAT_FREEBSD4 opt_compat.h
   83 COMPAT_FREEBSD5 opt_compat.h
   84 COMPAT_FREEBSD6 opt_compat.h
   85 COMPAT_FREEBSD7 opt_compat.h
   86 COMPAT_FREEBSD9 opt_compat.h
   87 COMPAT_FREEBSD10        opt_compat.h
   88 COMPAT_CLOUDABI64       opt_dontuse.h
   89 COMPAT_LINUXKPI opt_compat.h
   90 COMPILING_LINT  opt_global.h
   91 CY_PCI_FASTINTR
   92 DEADLKRES       opt_watchdog.h
   93 DEVICE_NUMA
   94 EXT_RESOURCES   opt_global.h
   95 DIRECTIO
   96 FILEMON         opt_dontuse.h
   97 FFCLOCK
   98 FULL_PREEMPTION opt_sched.h
   99 GZIO            opt_gzio.h
  100 IMAGACT_BINMISC         opt_dontuse.h
  101 IPI_PREEMPTION  opt_sched.h
  102 GEOM_AES        opt_geom.h
  103 GEOM_BDE        opt_geom.h
  104 GEOM_BSD        opt_geom.h
  105 GEOM_CACHE      opt_geom.h
  106 GEOM_CONCAT     opt_geom.h
  107 GEOM_ELI        opt_geom.h
  108 GEOM_FOX        opt_geom.h
  109 GEOM_GATE       opt_geom.h
  110 GEOM_JOURNAL    opt_geom.h
  111 GEOM_LABEL      opt_geom.h
  112 GEOM_LABEL_GPT  opt_geom.h
  113 GEOM_LINUX_LVM  opt_geom.h
  114 GEOM_MAP        opt_geom.h
  115 GEOM_MBR        opt_geom.h
  116 GEOM_MIRROR     opt_geom.h
  117 GEOM_MOUNTVER   opt_geom.h
  118 GEOM_MULTIPATH  opt_geom.h
  119 GEOM_NOP        opt_geom.h
  120 GEOM_PART_APM   opt_geom.h
  121 GEOM_PART_BSD   opt_geom.h
  122 GEOM_PART_BSD64 opt_geom.h
  123 GEOM_PART_EBR   opt_geom.h
  124 GEOM_PART_EBR_COMPAT    opt_geom.h
  125 GEOM_PART_GPT   opt_geom.h
  126 GEOM_PART_LDM   opt_geom.h
  127 GEOM_PART_MBR   opt_geom.h
  128 GEOM_PART_PC98  opt_geom.h
  129 GEOM_PART_VTOC8 opt_geom.h
  130 GEOM_PC98       opt_geom.h
  131 GEOM_RAID       opt_geom.h
  132 GEOM_RAID3      opt_geom.h
  133 GEOM_SHSEC      opt_geom.h
  134 GEOM_STRIPE     opt_geom.h
  135 GEOM_SUNLABEL   opt_geom.h
  136 GEOM_UZIP       opt_geom.h
  137 GEOM_UZIP_DEBUG opt_geom.h
  138 GEOM_VINUM      opt_geom.h
  139 GEOM_VIRSTOR    opt_geom.h
  140 GEOM_VOL        opt_geom.h
  141 GEOM_ZERO       opt_geom.h
  142 IFLIB           opt_iflib.h
  143 KDTRACE_HOOKS   opt_global.h
  144 KDTRACE_FRAME   opt_kdtrace.h
  145 KN_HASHSIZE     opt_kqueue.h
  146 KSTACK_MAX_PAGES
  147 KSTACK_PAGES
  148 KSTACK_USAGE_PROF
  149 KTRACE
  150 KTRACE_REQUEST_POOL     opt_ktrace.h
  151 LIBICONV
  152 MAC             opt_global.h
  153 MAC_BIBA        opt_dontuse.h
  154 MAC_BSDEXTENDED opt_dontuse.h
  155 MAC_IFOFF       opt_dontuse.h
  156 MAC_LOMAC       opt_dontuse.h
  157 MAC_MLS         opt_dontuse.h
  158 MAC_NONE        opt_dontuse.h
  159 MAC_PARTITION   opt_dontuse.h
  160 MAC_PORTACL     opt_dontuse.h
  161 MAC_SEEOTHERUIDS        opt_dontuse.h
  162 MAC_STATIC      opt_mac.h
  163 MAC_STUB        opt_dontuse.h
  164 MAC_TEST        opt_dontuse.h
  165 MD_ROOT         opt_md.h
  166 MD_ROOT_FSTYPE  opt_md.h
  167 MD_ROOT_SIZE    opt_md.h
  168 MFI_DEBUG       opt_mfi.h
  169 MFI_DECODE_LOG  opt_mfi.h
  170 MPROF_BUFFERS   opt_mprof.h
  171 MPROF_HASH_SIZE opt_mprof.h
  172 NEW_PCIB        opt_global.h
  173 NO_ADAPTIVE_MUTEXES     opt_adaptive_mutexes.h
  174 NO_ADAPTIVE_RWLOCKS
  175 NO_ADAPTIVE_SX
  176 NO_EVENTTIMERS          opt_timer.h
  177 NO_SYSCTL_DESCR opt_global.h
  178 NSWBUF_MIN      opt_swap.h
  179 MBUF_PACKET_ZONE_DISABLE        opt_global.h
  180 PANIC_REBOOT_WAIT_TIME  opt_panic.h
  181 PCI_HP          opt_pci.h
  182 PCI_IOV         opt_global.h
  183 PPC_DEBUG       opt_ppc.h
  184 PPC_PROBE_CHIPSET       opt_ppc.h
  185 PPS_SYNC        opt_ntp.h
  186 PREEMPTION      opt_sched.h
  187 QUOTA
  188 SCHED_4BSD      opt_sched.h
  189 SCHED_STATS     opt_sched.h
  190 SCHED_ULE       opt_sched.h
  191 SLEEPQUEUE_PROFILING
  192 SLHCI_DEBUG     opt_slhci.h
  193 SPX_HACK
  194 STACK           opt_stack.h
  195 SUIDDIR
  196 MSGMNB          opt_sysvipc.h
  197 MSGMNI          opt_sysvipc.h
  198 MSGSEG          opt_sysvipc.h
  199 MSGSSZ          opt_sysvipc.h
  200 MSGTQL          opt_sysvipc.h
  201 SEMMNI          opt_sysvipc.h
  202 SEMMNS          opt_sysvipc.h
  203 SEMMNU          opt_sysvipc.h
  204 SEMMSL          opt_sysvipc.h
  205 SEMOPM          opt_sysvipc.h
  206 SEMUME          opt_sysvipc.h
  207 SHMALL          opt_sysvipc.h
  208 SHMMAX          opt_sysvipc.h
  209 SHMMAXPGS       opt_sysvipc.h
  210 SHMMIN          opt_sysvipc.h
  211 SHMMNI          opt_sysvipc.h
  212 SHMSEG          opt_sysvipc.h
  213 SYSVMSG         opt_sysvipc.h
  214 SYSVSEM         opt_sysvipc.h
  215 SYSVSHM         opt_sysvipc.h
  216 SW_WATCHDOG     opt_watchdog.h
  217 TURNSTILE_PROFILING
  218 UMTX_PROFILING
  219 VERBOSE_SYSINIT
  220 WLCACHE         opt_wavelan.h
  221 WLDEBUG         opt_wavelan.h
  222 
  223 # POSIX kernel options
  224 P1003_1B_MQUEUE                 opt_posix.h
  225 P1003_1B_SEMAPHORES             opt_posix.h
  226 _KPOSIX_PRIORITY_SCHEDULING     opt_posix.h
  227 
  228 # Do we want the config file compiled into the kernel?
  229 INCLUDE_CONFIG_FILE     opt_config.h
  230 
  231 # Options for static filesystems.  These should only be used at config
  232 # time, since the corresponding lkms cannot work if there are any static
  233 # dependencies.  Unusability is enforced by hiding the defines for the
  234 # options in a never-included header.
  235 AUTOFS          opt_dontuse.h
  236 CD9660          opt_dontuse.h
  237 EXT2FS          opt_dontuse.h
  238 FDESCFS         opt_dontuse.h
  239 FFS             opt_dontuse.h
  240 FUSE            opt_dontuse.h
  241 MSDOSFS         opt_dontuse.h
  242 NANDFS          opt_dontuse.h
  243 NULLFS          opt_dontuse.h
  244 PROCFS          opt_dontuse.h
  245 PSEUDOFS        opt_dontuse.h
  246 SMBFS           opt_dontuse.h
  247 TMPFS           opt_dontuse.h
  248 UDF             opt_dontuse.h
  249 UNIONFS         opt_dontuse.h
  250 ZFS             opt_dontuse.h
  251 
  252 # Pseudofs debugging
  253 PSEUDOFS_TRACE  opt_pseudofs.h
  254 
  255 # In-kernel GSS-API
  256 KGSSAPI         opt_kgssapi.h
  257 KGSSAPI_DEBUG   opt_kgssapi.h
  258 
  259 # These static filesystems have one slightly bogus static dependency in
  260 # sys/i386/i386/autoconf.c.  If any of these filesystems are
  261 # statically compiled into the kernel, code for mounting them as root
  262 # filesystems will be enabled - but look below.
  263 # NFSCL - client
  264 # NFSD - server
  265 NFSCL           opt_nfs.h
  266 NFSD            opt_nfs.h
  267 
  268 # filesystems and libiconv bridge
  269 CD9660_ICONV    opt_dontuse.h
  270 MSDOSFS_ICONV   opt_dontuse.h
  271 UDF_ICONV       opt_dontuse.h
  272 
  273 # If you are following the conditions in the copyright,
  274 # you can enable soft-updates which will speed up a lot of thigs
  275 # and make the system safer from crashes at the same time.
  276 # otherwise a STUB module will be compiled in.
  277 SOFTUPDATES     opt_ffs.h
  278 
  279 # On small, embedded systems, it can be useful to turn off support for
  280 # snapshots.  It saves about 30-40k for a feature that would be lightly
  281 # used, if it is used at all.
  282 NO_FFS_SNAPSHOT opt_ffs.h
  283 
  284 # Enabling this option turns on support for Access Control Lists in UFS,
  285 # which can be used to support high security configurations.  Depends on
  286 # UFS_EXTATTR.
  287 UFS_ACL         opt_ufs.h
  288 
  289 # Enabling this option turns on support for extended attributes in UFS-based
  290 # filesystems, which can be used to support high security configurations
  291 # as well as new filesystem features.
  292 UFS_EXTATTR     opt_ufs.h
  293 UFS_EXTATTR_AUTOSTART   opt_ufs.h
  294 
  295 # Enable fast hash lookups for large directories on UFS-based filesystems.
  296 UFS_DIRHASH     opt_ufs.h
  297 
  298 # Enable gjournal-based UFS journal.
  299 UFS_GJOURNAL    opt_ufs.h
  300 
  301 # The below sentence is not in English, and neither is this one.
  302 # We plan to remove the static dependences above, with a
  303 # <filesystem>_ROOT option to control if it usable as root.  This list
  304 # allows these options to be present in config files already (though
  305 # they won't make any difference yet).
  306 NFS_ROOT        opt_nfsroot.h
  307 
  308 # SMB/CIFS requester
  309 NETSMB          opt_netsmb.h
  310 
  311 # Options used only in subr_param.c.
  312 HZ              opt_param.h
  313 MAXFILES        opt_param.h
  314 NBUF            opt_param.h
  315 NSFBUFS         opt_param.h
  316 VM_BCACHE_SIZE_MAX      opt_param.h
  317 VM_SWZONE_SIZE_MAX      opt_param.h
  318 MAXUSERS
  319 DFLDSIZ         opt_param.h
  320 MAXDSIZ         opt_param.h
  321 MAXSSIZ         opt_param.h
  322 
  323 # Generic SCSI options.
  324 CAM_MAX_HIGHPOWER       opt_cam.h
  325 CAMDEBUG                opt_cam.h
  326 CAM_DEBUG_COMPILE       opt_cam.h
  327 CAM_DEBUG_DELAY         opt_cam.h
  328 CAM_DEBUG_BUS           opt_cam.h
  329 CAM_DEBUG_TARGET        opt_cam.h
  330 CAM_DEBUG_LUN           opt_cam.h
  331 CAM_DEBUG_FLAGS         opt_cam.h
  332 CAM_BOOT_DELAY          opt_cam.h
  333 CAM_IOSCHED_DYNAMIC     opt_cam.h
  334 SCSI_DELAY              opt_scsi.h
  335 SCSI_NO_SENSE_STRINGS   opt_scsi.h
  336 SCSI_NO_OP_STRINGS      opt_scsi.h
  337 
  338 # Options used only in cam/ata/ata_da.c
  339 ADA_TEST_FAILURE        opt_ada.h
  340 ATA_STATIC_ID           opt_ada.h
  341 
  342 # Options used only in cam/scsi/scsi_cd.c
  343 CHANGER_MIN_BUSY_SECONDS        opt_cd.h
  344 CHANGER_MAX_BUSY_SECONDS        opt_cd.h
  345 
  346 # Options used only in cam/scsi/scsi_sa.c.
  347 SA_IO_TIMEOUT           opt_sa.h
  348 SA_SPACE_TIMEOUT        opt_sa.h
  349 SA_REWIND_TIMEOUT       opt_sa.h
  350 SA_ERASE_TIMEOUT        opt_sa.h
  351 SA_1FM_AT_EOD           opt_sa.h
  352 
  353 # Options used only in cam/scsi/scsi_pt.c
  354 SCSI_PT_DEFAULT_TIMEOUT opt_pt.h
  355 
  356 # Options used only in cam/scsi/scsi_ses.c
  357 SES_ENABLE_PASSTHROUGH  opt_ses.h
  358 
  359 # Options used in dev/sym/ (Symbios SCSI driver).
  360 SYM_SETUP_LP_PROBE_MAP  opt_sym.h       #-Low Priority Probe Map (bits)
  361                                         # Allows the ncr to take precedence
  362                                         # 1 (1<<0) -> 810a, 860
  363                                         # 2 (1<<1) -> 825a, 875, 885, 895
  364                                         # 4 (1<<2) -> 895a, 896, 1510d 
  365 SYM_SETUP_SCSI_DIFF     opt_sym.h       #-HVD support for 825a, 875, 885
  366                                         # disabled:0 (default), enabled:1
  367 SYM_SETUP_PCI_PARITY    opt_sym.h       #-PCI parity checking
  368                                         # disabled:0, enabled:1 (default)
  369 SYM_SETUP_MAX_LUN       opt_sym.h       #-Number of LUNs supported
  370                                         # default:8, range:[1..64]
  371 
  372 # Options used only in dev/ncr/*
  373 SCSI_NCR_DEBUG          opt_ncr.h
  374 SCSI_NCR_MAX_SYNC       opt_ncr.h
  375 SCSI_NCR_MAX_WIDE       opt_ncr.h
  376 SCSI_NCR_MYADDR         opt_ncr.h
  377 
  378 # Options used only in dev/isp/*
  379 ISP_TARGET_MODE         opt_isp.h
  380 ISP_FW_CRASH_DUMP       opt_isp.h
  381 ISP_DEFAULT_ROLES       opt_isp.h
  382 ISP_INTERNAL_TARGET     opt_isp.h
  383 
  384 # Options used only in dev/iscsi
  385 ISCSI_INITIATOR_DEBUG   opt_iscsi_initiator.h
  386 
  387 # Net stuff.
  388 ACCEPT_FILTER_DATA
  389 ACCEPT_FILTER_DNS
  390 ACCEPT_FILTER_HTTP
  391 ALTQ                    opt_global.h
  392 ALTQ_CBQ                opt_altq.h
  393 ALTQ_CDNR               opt_altq.h
  394 ALTQ_CODEL              opt_altq.h
  395 ALTQ_DEBUG              opt_altq.h
  396 ALTQ_HFSC               opt_altq.h
  397 ALTQ_FAIRQ              opt_altq.h
  398 ALTQ_NOPCC              opt_altq.h
  399 ALTQ_PRIQ               opt_altq.h
  400 ALTQ_RED                opt_altq.h
  401 ALTQ_RIO                opt_altq.h
  402 BOOTP                   opt_bootp.h
  403 BOOTP_BLOCKSIZE         opt_bootp.h
  404 BOOTP_COMPAT            opt_bootp.h
  405 BOOTP_NFSROOT           opt_bootp.h
  406 BOOTP_NFSV3             opt_bootp.h
  407 BOOTP_WIRED_TO          opt_bootp.h
  408 DEVICE_POLLING
  409 DUMMYNET                opt_ipdn.h
  410 INET                    opt_inet.h
  411 INET6                   opt_inet6.h
  412 IPDIVERT
  413 IPFILTER                opt_ipfilter.h
  414 IPFILTER_DEFAULT_BLOCK  opt_ipfilter.h
  415 IPFILTER_LOG            opt_ipfilter.h
  416 IPFILTER_LOOKUP         opt_ipfilter.h
  417 IPFIREWALL              opt_ipfw.h
  418 IPFIREWALL_DEFAULT_TO_ACCEPT    opt_ipfw.h
  419 IPFIREWALL_NAT          opt_ipfw.h
  420 IPFIREWALL_VERBOSE      opt_ipfw.h
  421 IPFIREWALL_VERBOSE_LIMIT        opt_ipfw.h
  422 IPSEC                   opt_ipsec.h
  423 IPSEC_DEBUG             opt_ipsec.h
  424 IPSEC_FILTERTUNNEL      opt_ipsec.h
  425 IPSEC_NAT_T             opt_ipsec.h
  426 IPSTEALTH
  427 KRPC
  428 LIBALIAS
  429 LIBMBPOOL
  430 LIBMCHAIN
  431 MBUF_PROFILING
  432 MBUF_STRESS_TEST
  433 MROUTING                opt_mrouting.h
  434 NFSLOCKD
  435 PCBGROUP                opt_pcbgroup.h
  436 PF_DEFAULT_TO_DROP      opt_pf.h
  437 RADIX_MPATH             opt_mpath.h
  438 ROUTETABLES             opt_route.h
  439 RSS                     opt_rss.h
  440 SLIP_IFF_OPTS           opt_slip.h
  441 TCPDEBUG
  442 TCPPCAP         opt_global.h
  443 SIFTR
  444 TCP_OFFLOAD             opt_inet.h # Enable code to dispatch TCP offloading
  445 TCP_RFC7413             opt_inet.h
  446 TCP_RFC7413_MAX_KEYS    opt_inet.h
  447 TCP_SIGNATURE           opt_inet.h
  448 VLAN_ARRAY              opt_vlan.h
  449 XBONEHACK
  450 FLOWTABLE               opt_route.h
  451 FLOWTABLE_HASH_ALL      opt_route.h
  452 
  453 #
  454 # SCTP
  455 #
  456 SCTP                    opt_sctp.h
  457 SCTP_DEBUG              opt_sctp.h # Enable debug printfs
  458 SCTP_WITH_NO_CSUM       opt_sctp.h # Use this at your peril
  459 SCTP_LOCK_LOGGING       opt_sctp.h # Log to KTR lock activity
  460 SCTP_MBUF_LOGGING       opt_sctp.h # Log to KTR general mbuf aloc/free
  461 SCTP_MBCNT_LOGGING      opt_sctp.h # Log to KTR mbcnt activity
  462 SCTP_PACKET_LOGGING     opt_sctp.h # Log to a packet buffer last N packets
  463 SCTP_LTRACE_CHUNKS      opt_sctp.h # Log to KTR chunks processed
  464 SCTP_LTRACE_ERRORS      opt_sctp.h # Log to KTR error returns.
  465 SCTP_USE_PERCPU_STAT    opt_sctp.h # Use per cpu stats.
  466 SCTP_MCORE_INPUT        opt_sctp.h # Have multiple input threads for input mbufs
  467 SCTP_LOCAL_TRACE_BUF    opt_sctp.h # Use tracebuffer exported via sysctl
  468 SCTP_DETAILED_STR_STATS opt_sctp.h # Use per PR-SCTP policy stream stats
  469 #
  470 #
  471 #
  472 
  473 # Netgraph(4). Use option NETGRAPH to enable the base netgraph code.
  474 # Each netgraph node type can be either be compiled into the kernel
  475 # or loaded dynamically. To get the former, include the corresponding
  476 # option below. Each type has its own man page, e.g. ng_async(4).
  477 NETGRAPH
  478 NETGRAPH_DEBUG          opt_netgraph.h
  479 NETGRAPH_ASYNC          opt_netgraph.h
  480 NETGRAPH_ATMLLC         opt_netgraph.h
  481 NETGRAPH_ATM_ATMPIF     opt_netgraph.h
  482 NETGRAPH_BLUETOOTH      opt_netgraph.h
  483 NETGRAPH_BLUETOOTH_BT3C opt_netgraph.h
  484 NETGRAPH_BLUETOOTH_H4   opt_netgraph.h
  485 NETGRAPH_BLUETOOTH_HCI  opt_netgraph.h
  486 NETGRAPH_BLUETOOTH_L2CAP        opt_netgraph.h
  487 NETGRAPH_BLUETOOTH_SOCKET       opt_netgraph.h
  488 NETGRAPH_BLUETOOTH_UBT  opt_netgraph.h
  489 NETGRAPH_BLUETOOTH_UBTBCMFW     opt_netgraph.h
  490 NETGRAPH_BPF            opt_netgraph.h
  491 NETGRAPH_BRIDGE         opt_netgraph.h
  492 NETGRAPH_CAR            opt_netgraph.h
  493 NETGRAPH_CISCO          opt_netgraph.h
  494 NETGRAPH_DEFLATE        opt_netgraph.h
  495 NETGRAPH_DEVICE         opt_netgraph.h
  496 NETGRAPH_ECHO           opt_netgraph.h
  497 NETGRAPH_EIFACE         opt_netgraph.h
  498 NETGRAPH_ETHER          opt_netgraph.h
  499 NETGRAPH_ETHER_ECHO     opt_netgraph.h
  500 NETGRAPH_FEC            opt_netgraph.h
  501 NETGRAPH_FRAME_RELAY    opt_netgraph.h
  502 NETGRAPH_GIF            opt_netgraph.h
  503 NETGRAPH_GIF_DEMUX      opt_netgraph.h
  504 NETGRAPH_HOLE           opt_netgraph.h
  505 NETGRAPH_IFACE          opt_netgraph.h
  506 NETGRAPH_IP_INPUT       opt_netgraph.h
  507 NETGRAPH_IPFW           opt_netgraph.h
  508 NETGRAPH_KSOCKET        opt_netgraph.h
  509 NETGRAPH_L2TP           opt_netgraph.h
  510 NETGRAPH_LMI            opt_netgraph.h
  511 # MPPC compression requires proprietary files (not included)
  512 NETGRAPH_MPPC_COMPRESSION       opt_netgraph.h
  513 NETGRAPH_MPPC_ENCRYPTION        opt_netgraph.h
  514 NETGRAPH_NAT            opt_netgraph.h
  515 NETGRAPH_NETFLOW        opt_netgraph.h
  516 NETGRAPH_ONE2MANY       opt_netgraph.h
  517 NETGRAPH_PATCH          opt_netgraph.h
  518 NETGRAPH_PIPE           opt_netgraph.h
  519 NETGRAPH_PPP            opt_netgraph.h
  520 NETGRAPH_PPPOE          opt_netgraph.h
  521 NETGRAPH_PPTPGRE        opt_netgraph.h
  522 NETGRAPH_PRED1          opt_netgraph.h
  523 NETGRAPH_RFC1490        opt_netgraph.h
  524 NETGRAPH_SOCKET         opt_netgraph.h
  525 NETGRAPH_SPLIT          opt_netgraph.h
  526 NETGRAPH_SPPP           opt_netgraph.h
  527 NETGRAPH_TAG            opt_netgraph.h
  528 NETGRAPH_TCPMSS         opt_netgraph.h
  529 NETGRAPH_TEE            opt_netgraph.h
  530 NETGRAPH_TTY            opt_netgraph.h
  531 NETGRAPH_UI             opt_netgraph.h
  532 NETGRAPH_VJC            opt_netgraph.h
  533 NETGRAPH_VLAN           opt_netgraph.h
  534 
  535 # NgATM options
  536 NGATM_ATM               opt_netgraph.h
  537 NGATM_ATMBASE           opt_netgraph.h
  538 NGATM_SSCOP             opt_netgraph.h
  539 NGATM_SSCFU             opt_netgraph.h
  540 NGATM_UNI               opt_netgraph.h
  541 NGATM_CCATM             opt_netgraph.h
  542 
  543 # DRM options
  544 DRM_DEBUG               opt_drm.h
  545 
  546 TI_SF_BUF_JUMBO         opt_ti.h
  547 TI_JUMBO_HDRSPLIT       opt_ti.h
  548 
  549 # XXX Conflict: # of devices vs network protocol (Native ATM).
  550 # This makes "atm.h" unusable.
  551 NATM
  552 
  553 # DPT driver debug flags
  554 DPT_MEASURE_PERFORMANCE opt_dpt.h
  555 DPT_RESET_HBA           opt_dpt.h
  556 
  557 # Misc debug flags.  Most of these should probably be replaced with
  558 # 'DEBUG', and then let people recompile just the interesting modules
  559 # with 'make CC="cc -DDEBUG"'.
  560 CLUSTERDEBUG            opt_debug_cluster.h
  561 DEBUG_1284              opt_ppb_1284.h
  562 VP0_DEBUG               opt_vpo.h
  563 LPT_DEBUG               opt_lpt.h
  564 PLIP_DEBUG              opt_plip.h
  565 LOCKF_DEBUG             opt_debug_lockf.h
  566 SI_DEBUG                opt_debug_si.h
  567 IFMEDIA_DEBUG           opt_ifmedia.h
  568 
  569 # Fb options
  570 FB_DEBUG                opt_fb.h
  571 FB_INSTALL_CDEV         opt_fb.h
  572 
  573 # ppbus related options
  574 PERIPH_1284             opt_ppb_1284.h
  575 DONTPROBE_1284          opt_ppb_1284.h
  576 
  577 # smbus related options
  578 ENABLE_ALART            opt_intpm.h
  579 
  580 # These cause changes all over the kernel
  581 BLKDEV_IOSIZE           opt_global.h
  582 BURN_BRIDGES            opt_global.h
  583 DEBUG                   opt_global.h
  584 DEBUG_LOCKS             opt_global.h
  585 DEBUG_VFS_LOCKS         opt_global.h
  586 DFLTPHYS                opt_global.h
  587 DIAGNOSTIC              opt_global.h
  588 INVARIANT_SUPPORT       opt_global.h
  589 INVARIANTS              opt_global.h
  590 MAXCPU                  opt_global.h
  591 MAXMEMDOM               opt_global.h
  592 MAXPHYS                 opt_global.h
  593 MCLSHIFT                opt_global.h
  594 MUTEX_NOINLINE          opt_global.h
  595 LOCK_PROFILING          opt_global.h
  596 LOCK_PROFILING_FAST     opt_global.h
  597 MSIZE                   opt_global.h
  598 REGRESSION              opt_global.h
  599 RWLOCK_NOINLINE         opt_global.h
  600 SX_NOINLINE             opt_global.h
  601 VFS_BIO_DEBUG           opt_global.h
  602 
  603 # These are VM related options
  604 VM_KMEM_SIZE            opt_vm.h
  605 VM_KMEM_SIZE_SCALE      opt_vm.h
  606 VM_KMEM_SIZE_MAX        opt_vm.h
  607 VM_NRESERVLEVEL         opt_vm.h
  608 VM_NUMA_ALLOC           opt_vm.h
  609 VM_LEVEL_0_ORDER        opt_vm.h
  610 NO_SWAPPING             opt_vm.h
  611 MALLOC_MAKE_FAILURES    opt_vm.h
  612 MALLOC_PROFILE          opt_vm.h
  613 MALLOC_DEBUG_MAXZONES   opt_vm.h
  614 
  615 # The MemGuard replacement allocator used for tamper-after-free detection
  616 DEBUG_MEMGUARD          opt_vm.h
  617 
  618 # The RedZone malloc(9) protection
  619 DEBUG_REDZONE           opt_vm.h
  620 
  621 # Standard SMP options
  622 EARLY_AP_STARTUP        opt_global.h
  623 SMP                     opt_global.h
  624 
  625 # Size of the kernel message buffer
  626 MSGBUF_SIZE             opt_msgbuf.h
  627 
  628 # NFS options
  629 NFS_MINATTRTIMO         opt_nfs.h
  630 NFS_MAXATTRTIMO         opt_nfs.h
  631 NFS_MINDIRATTRTIMO      opt_nfs.h
  632 NFS_MAXDIRATTRTIMO      opt_nfs.h
  633 NFS_DEBUG               opt_nfs.h
  634 
  635 # For the Bt848/Bt848A/Bt849/Bt878/Bt879 driver
  636 OVERRIDE_CARD                   opt_bktr.h
  637 OVERRIDE_TUNER                  opt_bktr.h
  638 OVERRIDE_DBX                    opt_bktr.h
  639 OVERRIDE_MSP                    opt_bktr.h
  640 BROOKTREE_SYSTEM_DEFAULT        opt_bktr.h
  641 BROOKTREE_ALLOC_PAGES           opt_bktr.h
  642 BKTR_OVERRIDE_CARD              opt_bktr.h
  643 BKTR_OVERRIDE_TUNER             opt_bktr.h
  644 BKTR_OVERRIDE_DBX               opt_bktr.h
  645 BKTR_OVERRIDE_MSP               opt_bktr.h
  646 BKTR_SYSTEM_DEFAULT             opt_bktr.h
  647 BKTR_ALLOC_PAGES                opt_bktr.h
  648 BKTR_USE_PLL                    opt_bktr.h      
  649 BKTR_GPIO_ACCESS                opt_bktr.h
  650 BKTR_NO_MSP_RESET               opt_bktr.h
  651 BKTR_430_FX_MODE                opt_bktr.h
  652 BKTR_SIS_VIA_MODE               opt_bktr.h
  653 BKTR_USE_FREEBSD_SMBUS          opt_bktr.h
  654 BKTR_NEW_MSP34XX_DRIVER         opt_bktr.h
  655 
  656 # Options for uart(4)
  657 UART_PPS_ON_CTS         opt_uart.h
  658 UART_POLL_FREQ          opt_uart.h
  659 UART_DEV_TOLERANCE_PCT  opt_uart.h
  660 
  661 # options for bus/device framework
  662 BUS_DEBUG               opt_bus.h
  663 
  664 # options for USB support
  665 USB_DEBUG               opt_usb.h
  666 USB_HOST_ALIGN          opt_usb.h
  667 USB_REQ_DEBUG           opt_usb.h
  668 USB_TEMPLATE            opt_usb.h
  669 USB_VERBOSE             opt_usb.h
  670 USB_DMA_SINGLE_ALLOC    opt_usb.h
  671 USB_EHCI_BIG_ENDIAN_DESC        opt_usb.h
  672 U3G_DEBUG               opt_u3g.h
  673 UKBD_DFLT_KEYMAP        opt_ukbd.h
  674 UPLCOM_INTR_INTERVAL    opt_uplcom.h
  675 UVSCOM_DEFAULT_OPKTSIZE opt_uvscom.h
  676 UVSCOM_INTR_INTERVAL    opt_uvscom.h
  677 
  678 # options for the Realtek RTL8188*U/RTL8192CU driver (urtwn)
  679 URTWN_WITHOUT_UCODE     opt_urtwn.h
  680 
  681 # Embedded system options
  682 INIT_PATH
  683 
  684 ROOTDEVNAME
  685 
  686 FDC_DEBUG               opt_fdc.h
  687 PCFCLOCK_VERBOSE        opt_pcfclock.h
  688 PCFCLOCK_MAX_RETRIES    opt_pcfclock.h
  689 
  690 KTR                     opt_global.h
  691 KTR_ALQ                 opt_ktr.h
  692 KTR_MASK                opt_ktr.h
  693 KTR_CPUMASK             opt_ktr.h
  694 KTR_COMPILE             opt_global.h
  695 KTR_BOOT_ENTRIES        opt_global.h
  696 KTR_ENTRIES             opt_global.h
  697 KTR_VERBOSE             opt_ktr.h
  698 WITNESS                 opt_global.h
  699 WITNESS_KDB             opt_witness.h
  700 WITNESS_NO_VNODE        opt_witness.h
  701 WITNESS_SKIPSPIN        opt_witness.h
  702 WITNESS_COUNT           opt_witness.h
  703 OPENSOLARIS_WITNESS     opt_global.h
  704 
  705 # options for ACPI support
  706 ACPI_DEBUG              opt_acpi.h
  707 ACPI_MAX_TASKS          opt_acpi.h
  708 ACPI_MAX_THREADS        opt_acpi.h
  709 ACPI_DMAR               opt_acpi.h
  710 DEV_ACPI                opt_acpi.h
  711 
  712 # ISA support
  713 DEV_ISA                 opt_isa.h
  714 ISAPNP                  opt_isa.h
  715 
  716 # various 'device presence' options.
  717 DEV_BPF                 opt_bpf.h
  718 DEV_CARP                opt_carp.h
  719 DEV_MCA                 opt_mca.h
  720 DEV_NETMAP              opt_global.h
  721 DEV_PCI                 opt_pci.h
  722 DEV_PF                  opt_pf.h
  723 DEV_PFLOG               opt_pf.h
  724 DEV_PFSYNC              opt_pf.h
  725 DEV_RANDOM              opt_global.h
  726 DEV_SPLASH              opt_splash.h
  727 DEV_VLAN                opt_vlan.h
  728 
  729 # EISA support
  730 DEV_EISA                opt_eisa.h
  731 EISA_SLOTS              opt_eisa.h
  732 
  733 # ed driver
  734 ED_HPP                  opt_ed.h
  735 ED_3C503                opt_ed.h
  736 ED_SIC                  opt_ed.h
  737 
  738 # bce driver
  739 BCE_DEBUG               opt_bce.h
  740 BCE_NVRAM_WRITE_SUPPORT opt_bce.h
  741 
  742 SOCKBUF_DEBUG           opt_global.h
  743 
  744 
  745 # options for ubsec driver
  746 UBSEC_DEBUG             opt_ubsec.h
  747 UBSEC_RNDTEST           opt_ubsec.h
  748 UBSEC_NO_RNG            opt_ubsec.h
  749 
  750 # options for hifn driver
  751 HIFN_DEBUG              opt_hifn.h
  752 HIFN_RNDTEST            opt_hifn.h
  753 
  754 # options for safenet driver
  755 SAFE_DEBUG              opt_safe.h
  756 SAFE_NO_RNG             opt_safe.h
  757 SAFE_RNDTEST            opt_safe.h
  758 
  759 # syscons/vt options
  760 MAXCONS                 opt_syscons.h
  761 SC_ALT_MOUSE_IMAGE      opt_syscons.h
  762 SC_CUT_SPACES2TABS      opt_syscons.h
  763 SC_CUT_SEPCHARS         opt_syscons.h
  764 SC_DEBUG_LEVEL          opt_syscons.h
  765 SC_DFLT_FONT            opt_syscons.h
  766 SC_DISABLE_KDBKEY       opt_syscons.h
  767 SC_DISABLE_REBOOT       opt_syscons.h
  768 SC_HISTORY_SIZE         opt_syscons.h
  769 SC_KERNEL_CONS_ATTR     opt_syscons.h
  770 SC_KERNEL_CONS_REV_ATTR opt_syscons.h
  771 SC_MOUSE_CHAR           opt_syscons.h
  772 SC_NO_CUTPASTE          opt_syscons.h
  773 SC_NO_FONT_LOADING      opt_syscons.h
  774 SC_NO_HISTORY           opt_syscons.h
  775 SC_NO_MODE_CHANGE       opt_syscons.h
  776 SC_NO_SUSPEND_VTYSWITCH opt_syscons.h
  777 SC_NO_SYSMOUSE          opt_syscons.h
  778 SC_NORM_ATTR            opt_syscons.h
  779 SC_NORM_REV_ATTR        opt_syscons.h
  780 SC_PIXEL_MODE           opt_syscons.h
  781 SC_RENDER_DEBUG         opt_syscons.h
  782 SC_TWOBUTTON_MOUSE      opt_syscons.h
  783 VT_ALT_TO_ESC_HACK      opt_syscons.h
  784 VT_FB_DEFAULT_WIDTH     opt_syscons.h
  785 VT_FB_DEFAULT_HEIGHT    opt_syscons.h
  786 VT_MAXWINDOWS           opt_syscons.h
  787 VT_TWOBUTTON_MOUSE      opt_syscons.h
  788 DEV_SC                  opt_syscons.h
  789 DEV_VT                  opt_syscons.h
  790 
  791 # teken terminal emulator options
  792 TEKEN_CONS25            opt_teken.h
  793 TEKEN_UTF8              opt_teken.h
  794 TERMINAL_KERN_ATTR      opt_teken.h
  795 TERMINAL_NORM_ATTR      opt_teken.h
  796 
  797 # options for printf
  798 PRINTF_BUFR_SIZE        opt_printf.h
  799 
  800 # kbd options
  801 KBD_DISABLE_KEYMAP_LOAD opt_kbd.h
  802 KBD_INSTALL_CDEV        opt_kbd.h
  803 KBD_MAXRETRY            opt_kbd.h
  804 KBD_MAXWAIT             opt_kbd.h
  805 KBD_RESETDELAY          opt_kbd.h
  806 KBDIO_DEBUG             opt_kbd.h
  807 
  808 KBDMUX_DFLT_KEYMAP      opt_kbdmux.h
  809 
  810 # options for the Atheros driver
  811 ATH_DEBUG               opt_ath.h
  812 ATH_TXBUF               opt_ath.h
  813 ATH_RXBUF               opt_ath.h
  814 ATH_DIAGAPI             opt_ath.h
  815 ATH_TX99_DIAG           opt_ath.h
  816 ATH_ENABLE_11N          opt_ath.h
  817 ATH_ENABLE_DFS          opt_ath.h
  818 ATH_EEPROM_FIRMWARE     opt_ath.h
  819 ATH_ENABLE_RADIOTAP_VENDOR_EXT  opt_ath.h
  820 ATH_DEBUG_ALQ           opt_ath.h
  821 ATH_KTR_INTR_DEBUG      opt_ath.h
  822 
  823 # options for the Atheros hal
  824 AH_SUPPORT_AR5416       opt_ah.h
  825 # XXX For now, this breaks non-AR9130 chipsets, so only use it
  826 # XXX when actually targeting AR9130.
  827 AH_SUPPORT_AR9130       opt_ah.h
  828 
  829 # This is required for AR933x SoC support
  830 AH_SUPPORT_AR9330       opt_ah.h
  831 AH_SUPPORT_AR9340       opt_ah.h
  832 AH_SUPPORT_QCA9530      opt_ah.h
  833 AH_SUPPORT_QCA9550      opt_ah.h
  834 
  835 AH_DEBUG                opt_ah.h
  836 AH_ASSERT               opt_ah.h
  837 AH_DEBUG_ALQ            opt_ah.h
  838 AH_REGOPS_FUNC          opt_ah.h
  839 AH_WRITE_REGDOMAIN      opt_ah.h
  840 AH_DEBUG_COUNTRY        opt_ah.h
  841 AH_WRITE_EEPROM         opt_ah.h
  842 AH_PRIVATE_DIAG         opt_ah.h
  843 AH_NEED_DESC_SWAP       opt_ah.h
  844 AH_USE_INIPDGAIN        opt_ah.h
  845 AH_MAXCHAN              opt_ah.h
  846 AH_RXCFG_SDMAMW_4BYTES  opt_ah.h
  847 AH_INTERRUPT_DEBUGGING  opt_ah.h
  848 # AR5416 and later interrupt mitigation
  849 # XXX do not use this for AR9130
  850 AH_AR5416_INTERRUPT_MITIGATION  opt_ah.h
  851 
  852 # options for the Broadcom BCM43xx driver (bwi)
  853 BWI_DEBUG               opt_bwi.h
  854 BWI_DEBUG_VERBOSE       opt_bwi.h
  855 
  856 # options for the Brodacom BCM43xx driver (bwn)
  857 BWN_DEBUG               opt_bwn.h
  858 BWN_GPL_PHY             opt_bwn.h
  859 
  860 # Options for the SIBA driver
  861 SIBA_DEBUG              opt_siba.h
  862 
  863 # options for the Marvell 8335 wireless driver
  864 MALO_DEBUG              opt_malo.h
  865 MALO_TXBUF              opt_malo.h
  866 MALO_RXBUF              opt_malo.h
  867 
  868 # options for the Marvell wireless driver
  869 MWL_DEBUG               opt_mwl.h
  870 MWL_TXBUF               opt_mwl.h
  871 MWL_RXBUF               opt_mwl.h
  872 MWL_DIAGAPI             opt_mwl.h
  873 MWL_AGGR_SIZE           opt_mwl.h
  874 MWL_TX_NODROP           opt_mwl.h
  875 
  876 # Options for the Intel 802.11ac wireless driver
  877 IWM_DEBUG               opt_iwm.h
  878 
  879 # Options for the Intel 802.11n wireless driver
  880 IWN_DEBUG               opt_iwn.h
  881 
  882 # Options for the Intel 3945ABG wireless driver
  883 WPI_DEBUG               opt_wpi.h
  884 
  885 # dcons options 
  886 DCONS_BUF_SIZE          opt_dcons.h
  887 DCONS_POLL_HZ           opt_dcons.h
  888 DCONS_FORCE_CONSOLE     opt_dcons.h
  889 DCONS_FORCE_GDB         opt_dcons.h
  890 
  891 # HWPMC options
  892 HWPMC_DEBUG             opt_global.h
  893 HWPMC_HOOKS
  894 HWPMC_MIPS_BACKTRACE    opt_hwpmc_hooks.h
  895 
  896 # XBOX options for FreeBSD/i386, but some files are MI
  897 XBOX                    opt_xbox.h
  898 
  899 # Interrupt filtering
  900 INTR_FILTER
  901 
  902 # 802.11 support layer
  903 IEEE80211_DEBUG         opt_wlan.h
  904 IEEE80211_DEBUG_REFCNT  opt_wlan.h
  905 IEEE80211_AMPDU_AGE     opt_wlan.h
  906 IEEE80211_SUPPORT_MESH  opt_wlan.h
  907 IEEE80211_SUPPORT_SUPERG        opt_wlan.h
  908 IEEE80211_SUPPORT_TDMA  opt_wlan.h
  909 IEEE80211_ALQ           opt_wlan.h
  910 IEEE80211_DFS_DEBUG     opt_wlan.h
  911 
  912 # 802.11 TDMA support
  913 TDMA_SLOTLEN_DEFAULT    opt_tdma.h
  914 TDMA_SLOTCNT_DEFAULT    opt_tdma.h
  915 TDMA_BINTVAL_DEFAULT    opt_tdma.h
  916 TDMA_TXRATE_11B_DEFAULT opt_tdma.h
  917 TDMA_TXRATE_11G_DEFAULT opt_tdma.h
  918 TDMA_TXRATE_11A_DEFAULT opt_tdma.h
  919 TDMA_TXRATE_TURBO_DEFAULT       opt_tdma.h
  920 TDMA_TXRATE_HALF_DEFAULT        opt_tdma.h
  921 TDMA_TXRATE_QUARTER_DEFAULT     opt_tdma.h
  922 TDMA_TXRATE_11NA_DEFAULT        opt_tdma.h
  923 TDMA_TXRATE_11NG_DEFAULT        opt_tdma.h
  924 
  925 # VideoMode
  926 PICKMODE_DEBUG                  opt_videomode.h
  927 
  928 # Network stack virtualization options
  929 VIMAGE                  opt_global.h
  930 VNET_DEBUG              opt_global.h
  931 
  932 # Common Flash Interface (CFI) options
  933 CFI_SUPPORT_STRATAFLASH opt_cfi.h
  934 CFI_ARMEDANDDANGEROUS   opt_cfi.h
  935 CFI_HARDWAREBYTESWAP    opt_cfi.h
  936 
  937 # Sound options
  938 SND_DEBUG               opt_snd.h
  939 SND_DIAGNOSTIC          opt_snd.h
  940 SND_FEEDER_MULTIFORMAT  opt_snd.h
  941 SND_FEEDER_FULL_MULTIFORMAT     opt_snd.h
  942 SND_FEEDER_RATE_HP      opt_snd.h
  943 SND_PCM_64              opt_snd.h
  944 SND_OLDSTEREO           opt_snd.h
  945 
  946 X86BIOS
  947 
  948 # Flattened device tree options
  949 FDT             opt_platform.h
  950 FDT_DTB_STATIC  opt_platform.h
  951 
  952 # OFED Infiniband stack
  953 OFED            opt_ofed.h
  954 OFED_DEBUG_INIT opt_ofed.h
  955 SDP             opt_ofed.h
  956 SDP_DEBUG       opt_ofed.h
  957 IPOIB           opt_ofed.h
  958 IPOIB_DEBUG     opt_ofed.h
  959 IPOIB_CM        opt_ofed.h
  960 
  961 # Resource Accounting
  962 RACCT           opt_global.h
  963 RACCT_DEFAULT_TO_DISABLED       opt_global.h
  964 
  965 # Resource Limits
  966 RCTL            opt_global.h
  967 
  968 # Random number generator(s)
  969 # Which CSPRNG hash we get.
  970 # If Yarrow is not chosen, Fortuna is selected.
  971 RANDOM_YARROW   opt_global.h
  972 # With this, no entropy processor is loaded, but the entropy
  973 # harvesting infrastructure is present. This means an entropy
  974 # processor may be loaded as a module.
  975 RANDOM_LOADABLE opt_global.h
  976 # This turns on high-rate and potentially expensive harvesting in
  977 # the uma slab allocator.
  978 RANDOM_ENABLE_UMA       opt_global.h
  979 
  980 # Intel em(4) driver
  981 EM_MULTIQUEUE   opt_em.h
  982 
  983 # BHND(4) driver
  984 BHND_LOGLEVEL   opt_global.h
  985 
  986 # GPIO and child devices
  987 GPIO_SPI_DEBUG  opt_gpio.h

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