| Kconfig (11126c611e10abb18b6f1ed0300c0548c3906b54) | Kconfig (4520c6a49af833c83de6c74525ce8e07bbe6d783) |
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| 1config ARCH 2 string 3 option env="ARCH" 4 5config KERNELVERSION 6 string 7 option env="KERNELVERSION" 8 --- 253 unchanged lines hidden (view full) --- 262 If unsure, say Y. 263 264config POSIX_MQUEUE_SYSCTL 265 bool 266 depends on POSIX_MQUEUE 267 depends on SYSCTL 268 default y 269 | 1config ARCH 2 string 3 option env="ARCH" 4 5config KERNELVERSION 6 string 7 option env="KERNELVERSION" 8 --- 253 unchanged lines hidden (view full) --- 262 If unsure, say Y. 263 264config POSIX_MQUEUE_SYSCTL 265 bool 266 depends on POSIX_MQUEUE 267 depends on SYSCTL 268 default y 269 |
| 270config FHANDLE 271 bool "open by fhandle syscalls" 272 select EXPORTFS 273 help 274 If you say Y here, a user level program will be able to map 275 file names to handle and then later use the handle for 276 different file system operations. This is useful in implementing 277 userspace file servers, which now track files using handles instead 278 of names. The handle would remain the same even if file names 279 get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2) 280 syscalls. 281 282config AUDIT 283 bool "Auditing support" 284 depends on NET 285 help 286 Enable auditing infrastructure that can be used with another 287 kernel subsystem, such as SELinux (which requires this for 288 logging of avc messages output). Does not do system-call 289 auditing without CONFIG_AUDITSYSCALL. 290 291config AUDITSYSCALL 292 bool "Enable system-call auditing support" 293 depends on AUDIT && (X86 || PPC || S390 || IA64 || UML || SPARC64 || SUPERH || (ARM && AEABI && !OABI_COMPAT)) 294 default y if SECURITY_SELINUX 295 help 296 Enable low-overhead system-call auditing infrastructure that 297 can be used independently or with another kernel subsystem, 298 such as SELinux. 299 300config AUDIT_WATCH 301 def_bool y 302 depends on AUDITSYSCALL 303 select FSNOTIFY 304 305config AUDIT_TREE 306 def_bool y 307 depends on AUDITSYSCALL 308 select FSNOTIFY 309 310config AUDIT_LOGINUID_IMMUTABLE 311 bool "Make audit loginuid immutable" 312 depends on AUDIT 313 help 314 The config option toggles if a task setting its loginuid requires 315 CAP_SYS_AUDITCONTROL or if that task should require no special permissions 316 but should instead only allow setting its loginuid if it was never 317 previously set. On systems which use systemd or a similar central 318 process to restart login services this should be set to true. On older 319 systems in which an admin would typically have to directly stop and 320 start processes this should be set to false. Setting this to true allows 321 one to drop potentially dangerous capabilites from the login tasks, 322 but may not be backwards compatible with older init systems. 323 324source "kernel/irq/Kconfig" 325source "kernel/time/Kconfig" 326 327menu "CPU/Task time and stats accounting" 328 329choice 330 prompt "Cputime accounting" 331 default TICK_CPU_ACCOUNTING if !PPC64 332 default VIRT_CPU_ACCOUNTING if PPC64 333 334# Kind of a stub config for the pure tick based cputime accounting 335config TICK_CPU_ACCOUNTING 336 bool "Simple tick based cputime accounting" 337 depends on !S390 338 help 339 This is the basic tick based cputime accounting that maintains 340 statistics about user, system and idle time spent on per jiffies 341 granularity. 342 343 If unsure, say Y. 344 345config VIRT_CPU_ACCOUNTING 346 bool "Deterministic task and CPU time accounting" 347 depends on HAVE_VIRT_CPU_ACCOUNTING 348 help 349 Select this option to enable more accurate task and CPU time 350 accounting. This is done by reading a CPU counter on each 351 kernel entry and exit and on transitions within the kernel 352 between system, softirq and hardirq state, so there is a 353 small performance impact. In the case of s390 or IBM POWER > 5, 354 this also enables accounting of stolen time on logically-partitioned 355 systems. 356 357config IRQ_TIME_ACCOUNTING 358 bool "Fine granularity task level IRQ time accounting" 359 depends on HAVE_IRQ_TIME_ACCOUNTING 360 help 361 Select this option to enable fine granularity task irq time 362 accounting. This is done by reading a timestamp on each 363 transitions between softirq and hardirq state, so there can be a 364 small performance impact. 365 366 If in doubt, say N here. 367 368endchoice 369 | |
| 370config BSD_PROCESS_ACCT 371 bool "BSD Process Accounting" 372 help 373 If you say Y here, a user level program will be able to instruct the 374 kernel (via a special system call) to write process accounting 375 information to a file: whenever a process exits, information about 376 that process will be appended to the file by the kernel. The 377 information includes things such as creation time, owning user, --- 9 unchanged lines hidden (view full) --- 387 help 388 If you say Y here, the process accounting information is written 389 in a new file format that also logs the process IDs of each 390 process and it's parent. Note that this file format is incompatible 391 with previous v0/v1/v2 file formats, so you will need updated tools 392 for processing it. A preliminary version of these tools is available 393 at <http://www.gnu.org/software/acct/>. 394 | 270config BSD_PROCESS_ACCT 271 bool "BSD Process Accounting" 272 help 273 If you say Y here, a user level program will be able to instruct the 274 kernel (via a special system call) to write process accounting 275 information to a file: whenever a process exits, information about 276 that process will be appended to the file by the kernel. The 277 information includes things such as creation time, owning user, --- 9 unchanged lines hidden (view full) --- 287 help 288 If you say Y here, the process accounting information is written 289 in a new file format that also logs the process IDs of each 290 process and it's parent. Note that this file format is incompatible 291 with previous v0/v1/v2 file formats, so you will need updated tools 292 for processing it. A preliminary version of these tools is available 293 at <http://www.gnu.org/software/acct/>. 294 |
| 295config FHANDLE 296 bool "open by fhandle syscalls" 297 select EXPORTFS 298 help 299 If you say Y here, a user level program will be able to map 300 file names to handle and then later use the handle for 301 different file system operations. This is useful in implementing 302 userspace file servers, which now track files using handles instead 303 of names. The handle would remain the same even if file names 304 get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2) 305 syscalls. 306 |
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| 395config TASKSTATS 396 bool "Export task/process statistics through netlink (EXPERIMENTAL)" 397 depends on NET 398 default n 399 help 400 Export selected statistics for tasks/processes through the 401 generic netlink interface. Unlike BSD process accounting, the 402 statistics are available during the lifetime of tasks/processes as --- 26 unchanged lines hidden (view full) --- 429 bool "Enable per-task storage I/O accounting (EXPERIMENTAL)" 430 depends on TASK_XACCT 431 help 432 Collect information on the number of bytes of storage I/O which this 433 task has caused. 434 435 Say N if unsure. 436 | 307config TASKSTATS 308 bool "Export task/process statistics through netlink (EXPERIMENTAL)" 309 depends on NET 310 default n 311 help 312 Export selected statistics for tasks/processes through the 313 generic netlink interface. Unlike BSD process accounting, the 314 statistics are available during the lifetime of tasks/processes as --- 26 unchanged lines hidden (view full) --- 341 bool "Enable per-task storage I/O accounting (EXPERIMENTAL)" 342 depends on TASK_XACCT 343 help 344 Collect information on the number of bytes of storage I/O which this 345 task has caused. 346 347 Say N if unsure. 348 |
| 437endmenu # "CPU/Task time and stats accounting" | 349config AUDIT 350 bool "Auditing support" 351 depends on NET 352 help 353 Enable auditing infrastructure that can be used with another 354 kernel subsystem, such as SELinux (which requires this for 355 logging of avc messages output). Does not do system-call 356 auditing without CONFIG_AUDITSYSCALL. |
| 438 | 357 |
| 358config AUDITSYSCALL 359 bool "Enable system-call auditing support" 360 depends on AUDIT && (X86 || PPC || S390 || IA64 || UML || SPARC64 || SUPERH || (ARM && AEABI && !OABI_COMPAT)) 361 default y if SECURITY_SELINUX 362 help 363 Enable low-overhead system-call auditing infrastructure that 364 can be used independently or with another kernel subsystem, 365 such as SELinux. 366 367config AUDIT_WATCH 368 def_bool y 369 depends on AUDITSYSCALL 370 select FSNOTIFY 371 372config AUDIT_TREE 373 def_bool y 374 depends on AUDITSYSCALL 375 select FSNOTIFY 376 377config AUDIT_LOGINUID_IMMUTABLE 378 bool "Make audit loginuid immutable" 379 depends on AUDIT 380 help 381 The config option toggles if a task setting its loginuid requires 382 CAP_SYS_AUDITCONTROL or if that task should require no special permissions 383 but should instead only allow setting its loginuid if it was never 384 previously set. On systems which use systemd or a similar central 385 process to restart login services this should be set to true. On older 386 systems in which an admin would typically have to directly stop and 387 start processes this should be set to false. Setting this to true allows 388 one to drop potentially dangerous capabilites from the login tasks, 389 but may not be backwards compatible with older init systems. 390 391source "kernel/irq/Kconfig" 392source "kernel/time/Kconfig" 393 |
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| 439menu "RCU Subsystem" 440 441choice 442 prompt "RCU Implementation" 443 default TREE_RCU 444 445config TREE_RCU 446 bool "Tree-based hierarchical RCU" --- 34 unchanged lines hidden (view full) --- 481endchoice 482 483config PREEMPT_RCU 484 def_bool ( TREE_PREEMPT_RCU || TINY_PREEMPT_RCU ) 485 help 486 This option enables preemptible-RCU code that is common between 487 the TREE_PREEMPT_RCU and TINY_PREEMPT_RCU implementations. 488 | 394menu "RCU Subsystem" 395 396choice 397 prompt "RCU Implementation" 398 default TREE_RCU 399 400config TREE_RCU 401 bool "Tree-based hierarchical RCU" --- 34 unchanged lines hidden (view full) --- 436endchoice 437 438config PREEMPT_RCU 439 def_bool ( TREE_PREEMPT_RCU || TINY_PREEMPT_RCU ) 440 help 441 This option enables preemptible-RCU code that is common between 442 the TREE_PREEMPT_RCU and TINY_PREEMPT_RCU implementations. 443 |
| 489config RCU_USER_QS 490 bool "Consider userspace as in RCU extended quiescent state" 491 depends on HAVE_RCU_USER_QS && SMP 492 help 493 This option sets hooks on kernel / userspace boundaries and 494 puts RCU in extended quiescent state when the CPU runs in 495 userspace. It means that when a CPU runs in userspace, it is 496 excluded from the global RCU state machine and thus doesn't 497 to keep the timer tick on for RCU. 498 499config RCU_USER_QS_FORCE 500 bool "Force userspace extended QS by default" 501 depends on RCU_USER_QS 502 help 503 Set the hooks in user/kernel boundaries by default in order to 504 test this feature that treats userspace as an extended quiescent 505 state until we have a real user like a full adaptive nohz option. 506 | |
| 507config RCU_FANOUT 508 int "Tree-based hierarchical RCU fanout value" 509 range 2 64 if 64BIT 510 range 2 32 if !64BIT 511 depends on TREE_RCU || TREE_PREEMPT_RCU 512 default 64 if 64BIT 513 default 32 if !64BIT 514 help --- 466 unchanged lines hidden (view full) --- 981config UIDGID_CONVERTED 982 # True if all of the selected software conmponents are known 983 # to have uid_t and gid_t converted to kuid_t and kgid_t 984 # where appropriate and are otherwise safe to use with 985 # the user namespace. 986 bool 987 default y 988 | 444config RCU_FANOUT 445 int "Tree-based hierarchical RCU fanout value" 446 range 2 64 if 64BIT 447 range 2 32 if !64BIT 448 depends on TREE_RCU || TREE_PREEMPT_RCU 449 default 64 if 64BIT 450 default 32 if !64BIT 451 help --- 466 unchanged lines hidden (view full) --- 918config UIDGID_CONVERTED 919 # True if all of the selected software conmponents are known 920 # to have uid_t and gid_t converted to kuid_t and kgid_t 921 # where appropriate and are otherwise safe to use with 922 # the user namespace. 923 bool 924 default y 925 |
| 926 # List of kernel pieces that need user namespace work 927 # Features 928 depends on SYSVIPC = n 929 depends on IMA = n 930 depends on EVM = n 931 depends on KEYS = n 932 depends on AUDIT = n 933 depends on AUDITSYSCALL = n 934 depends on TASKSTATS = n 935 depends on TRACING = n 936 depends on FS_POSIX_ACL = n 937 depends on QUOTA = n 938 depends on QUOTACTL = n 939 depends on DEBUG_CREDENTIALS = n 940 depends on BSD_PROCESS_ACCT = n 941 depends on DRM = n 942 depends on PROC_EVENTS = n 943 |
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| 989 # Networking | 944 # Networking |
| 945 depends on NET = n |
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| 990 depends on NET_9P = n | 946 depends on NET_9P = n |
| 947 depends on IPX = n 948 depends on PHONET = n 949 depends on NET_CLS_FLOW = n 950 depends on NETFILTER_XT_MATCH_OWNER = n 951 depends on NETFILTER_XT_MATCH_RECENT = n 952 depends on NETFILTER_XT_TARGET_LOG = n 953 depends on NETFILTER_NETLINK_LOG = n 954 depends on INET = n 955 depends on IPV6 = n 956 depends on IP_SCTP = n 957 depends on AF_RXRPC = n 958 depends on LLC2 = n 959 depends on NET_KEY = n 960 depends on INET_DIAG = n 961 depends on DNS_RESOLVER = n 962 depends on AX25 = n 963 depends on ATALK = n |
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| 991 992 # Filesystems | 964 965 # Filesystems |
| 966 depends on USB_DEVICEFS = n 967 depends on USB_GADGETFS = n 968 depends on USB_FUNCTIONFS = n 969 depends on DEVTMPFS = n 970 depends on XENFS = n 971 |
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| 993 depends on 9P_FS = n | 972 depends on 9P_FS = n |
| 973 depends on ADFS_FS = n 974 depends on AFFS_FS = n |
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| 994 depends on AFS_FS = n 995 depends on AUTOFS4_FS = n | 975 depends on AFS_FS = n 976 depends on AUTOFS4_FS = n |
| 977 depends on BEFS_FS = n 978 depends on BFS_FS = n 979 depends on BTRFS_FS = n |
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| 996 depends on CEPH_FS = n 997 depends on CIFS = n 998 depends on CODA_FS = n | 980 depends on CEPH_FS = n 981 depends on CIFS = n 982 depends on CODA_FS = n |
| 983 depends on CONFIGFS_FS = n 984 depends on CRAMFS = n 985 depends on DEBUG_FS = n 986 depends on ECRYPT_FS = n 987 depends on EFS_FS = n 988 depends on EXOFS_FS = n 989 depends on FAT_FS = n |
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| 999 depends on FUSE_FS = n 1000 depends on GFS2_FS = n | 990 depends on FUSE_FS = n 991 depends on GFS2_FS = n |
| 992 depends on HFS_FS = n 993 depends on HFSPLUS_FS = n 994 depends on HPFS_FS = n 995 depends on HUGETLBFS = n 996 depends on ISO9660_FS = n 997 depends on JFFS2_FS = n 998 depends on JFS_FS = n 999 depends on LOGFS = n 1000 depends on MINIX_FS = n |
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| 1001 depends on NCP_FS = n 1002 depends on NFSD = n 1003 depends on NFS_FS = n | 1001 depends on NCP_FS = n 1002 depends on NFSD = n 1003 depends on NFS_FS = n |
| 1004 depends on NILFS2_FS = n 1005 depends on NTFS_FS = n |
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| 1004 depends on OCFS2_FS = n | 1006 depends on OCFS2_FS = n |
| 1007 depends on OMFS_FS = n 1008 depends on QNX4FS_FS = n 1009 depends on QNX6FS_FS = n 1010 depends on REISERFS_FS = n 1011 depends on SQUASHFS = n 1012 depends on SYSV_FS = n 1013 depends on UBIFS_FS = n 1014 depends on UDF_FS = n 1015 depends on UFS_FS = n 1016 depends on VXFS_FS = n |
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| 1005 depends on XFS_FS = n 1006 | 1017 depends on XFS_FS = n 1018 |
| 1019 depends on !UML || HOSTFS = n 1020 1021 # The rare drivers that won't build 1022 depends on AIRO = n 1023 depends on AIRO_CS = n 1024 depends on TUN = n 1025 depends on INFINIBAND_QIB = n 1026 depends on BLK_DEV_LOOP = n 1027 depends on ANDROID_BINDER_IPC = n 1028 1029 # Security modules 1030 depends on SECURITY_TOMOYO = n 1031 depends on SECURITY_APPARMOR = n 1032 |
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| 1007config UIDGID_STRICT_TYPE_CHECKS 1008 bool "Require conversions between uid/gids and their internal representation" 1009 depends on UIDGID_CONVERTED 1010 default n 1011 help 1012 While the nececessary conversions are being added to all subsystems this option allows 1013 the code to continue to build for unconverted subsystems. 1014 --- 107 unchanged lines hidden (view full) --- 1122 help 1123 This option allows certain base kernel options and settings 1124 to be disabled or tweaked. This is for specialized 1125 environments which can tolerate a "non-standard" kernel. 1126 Only use this if you really know what you are doing. 1127 1128config UID16 1129 bool "Enable 16-bit UID system calls" if EXPERT | 1033config UIDGID_STRICT_TYPE_CHECKS 1034 bool "Require conversions between uid/gids and their internal representation" 1035 depends on UIDGID_CONVERTED 1036 default n 1037 help 1038 While the nececessary conversions are being added to all subsystems this option allows 1039 the code to continue to build for unconverted subsystems. 1040 --- 107 unchanged lines hidden (view full) --- 1148 help 1149 This option allows certain base kernel options and settings 1150 to be disabled or tweaked. This is for specialized 1151 environments which can tolerate a "non-standard" kernel. 1152 Only use this if you really know what you are doing. 1153 1154config UID16 1155 bool "Enable 16-bit UID system calls" if EXPERT |
| 1130 depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION) \ 1131 || AARCH32_EMULATION | 1156 depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION) |
| 1132 default y 1133 help 1134 This enables the legacy 16-bit UID syscall wrappers. 1135 1136config SYSCTL_SYSCALL 1137 bool "Sysctl syscall support" if EXPERT 1138 depends on PROC_SYSCTL 1139 default n --- 31 unchanged lines hidden (view full) --- 1171 This option makes sure that all symbols are loaded into the kernel 1172 image (i.e., symbols from all sections) in cost of increased kernel 1173 size (depending on the kernel configuration, it may be 300KiB or 1174 something like this). 1175 1176 Say N unless you really need all symbols. 1177 1178config HOTPLUG | 1157 default y 1158 help 1159 This enables the legacy 16-bit UID syscall wrappers. 1160 1161config SYSCTL_SYSCALL 1162 bool "Sysctl syscall support" if EXPERT 1163 depends on PROC_SYSCTL 1164 default n --- 31 unchanged lines hidden (view full) --- 1196 This option makes sure that all symbols are loaded into the kernel 1197 image (i.e., symbols from all sections) in cost of increased kernel 1198 size (depending on the kernel configuration, it may be 300KiB or 1199 something like this). 1200 1201 Say N unless you really need all symbols. 1202 1203config HOTPLUG |
| 1179 def_bool y | 1204 bool "Support for hot-pluggable devices" if EXPERT 1205 default y 1206 help 1207 This option is provided for the case where no hotplug or uevent 1208 capabilities is wanted by the kernel. You should only consider 1209 disabling this option for embedded systems that do not use modules, a 1210 dynamic /dev tree, or dynamic device discovery. Just say Y. |
| 1180 1181config PRINTK 1182 default y 1183 bool "Enable support for printk" if EXPERT 1184 help 1185 This option enables normal printk support. Removing it 1186 eliminates most of the message strings from the kernel image 1187 and makes the kernel more or less silent. As this makes it --- 6 unchanged lines hidden (view full) --- 1194 help 1195 Disabling this option eliminates support for BUG and WARN, reducing 1196 the size of your kernel image and potentially quietly ignoring 1197 numerous fatal conditions. You should only consider disabling this 1198 option for embedded systems with no facilities for reporting errors. 1199 Just say Y. 1200 1201config ELF_CORE | 1211 1212config PRINTK 1213 default y 1214 bool "Enable support for printk" if EXPERT 1215 help 1216 This option enables normal printk support. Removing it 1217 eliminates most of the message strings from the kernel image 1218 and makes the kernel more or less silent. As this makes it --- 6 unchanged lines hidden (view full) --- 1225 help 1226 Disabling this option eliminates support for BUG and WARN, reducing 1227 the size of your kernel image and potentially quietly ignoring 1228 numerous fatal conditions. You should only consider disabling this 1229 option for embedded systems with no facilities for reporting errors. 1230 Just say Y. 1231 1232config ELF_CORE |
| 1202 depends on COREDUMP | |
| 1203 default y 1204 bool "Enable ELF core dumps" if EXPERT 1205 help 1206 Enable support for generating core dumps. Disabling saves about 4k. 1207 1208 1209config PCSPKR_PLATFORM 1210 bool "Enable PC-Speaker support" if EXPERT --- 366 unchanged lines hidden (view full) --- 1577 1578config PREEMPT_NOTIFIERS 1579 bool 1580 1581config PADATA 1582 depends on SMP 1583 bool 1584 | 1233 default y 1234 bool "Enable ELF core dumps" if EXPERT 1235 help 1236 Enable support for generating core dumps. Disabling saves about 4k. 1237 1238 1239config PCSPKR_PLATFORM 1240 bool "Enable PC-Speaker support" if EXPERT --- 366 unchanged lines hidden (view full) --- 1607 1608config PREEMPT_NOTIFIERS 1609 bool 1610 1611config PADATA 1612 depends on SMP 1613 bool 1614 |
| 1585# Can be selected by architectures with broken toolchains 1586# that get confused by correct const<->read_only section 1587# mappings 1588config BROKEN_RODATA 1589 bool | 1615config ASN1 1616 tristate 1617 help 1618 Build a simple ASN.1 grammar compiler that produces a bytecode output 1619 that can be interpreted by the ASN.1 stream decoder and used to 1620 inform it as to what tags are to be expected in a stream and what 1621 functions to call on what tags. |
| 1590 1591source "kernel/Kconfig.locks" | 1622 1623source "kernel/Kconfig.locks" |