X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=init%2FKconfig;h=6fdd6e339326a079a2b6b5a3a1d2940b2bd81bd8;hb=8fcff5f13773aa3898df1d13a1615d468079cb15;hp=00d45799dee1150370ed67669b5ffb319c95594f;hpb=ea0b6dcf71d216dc11733ac19b26df0f5d0fd6c2;p=~andy%2Flinux

diff --git a/init/Kconfig b/init/Kconfig
index 00d45799dee..6fdd6e33932 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -267,6 +267,106 @@ config POSIX_MQUEUE_SYSCTL
 	depends on SYSCTL
 	default y
 
+config FHANDLE
+	bool "open by fhandle syscalls"
+	select EXPORTFS
+	help
+	  If you say Y here, a user level program will be able to map
+	  file names to handle and then later use the handle for
+	  different file system operations. This is useful in implementing
+	  userspace file servers, which now track files using handles instead
+	  of names. The handle would remain the same even if file names
+	  get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2)
+	  syscalls.
+
+config AUDIT
+	bool "Auditing support"
+	depends on NET
+	help
+	  Enable auditing infrastructure that can be used with another
+	  kernel subsystem, such as SELinux (which requires this for
+	  logging of avc messages output).  Does not do system-call
+	  auditing without CONFIG_AUDITSYSCALL.
+
+config AUDITSYSCALL
+	bool "Enable system-call auditing support"
+	depends on AUDIT && (X86 || PPC || S390 || IA64 || UML || SPARC64 || SUPERH || (ARM && AEABI && !OABI_COMPAT))
+	default y if SECURITY_SELINUX
+	help
+	  Enable low-overhead system-call auditing infrastructure that
+	  can be used independently or with another kernel subsystem,
+	  such as SELinux.
+
+config AUDIT_WATCH
+	def_bool y
+	depends on AUDITSYSCALL
+	select FSNOTIFY
+
+config AUDIT_TREE
+	def_bool y
+	depends on AUDITSYSCALL
+	select FSNOTIFY
+
+config AUDIT_LOGINUID_IMMUTABLE
+	bool "Make audit loginuid immutable"
+	depends on AUDIT
+	help
+	  The config option toggles if a task setting its loginuid requires
+	  CAP_SYS_AUDITCONTROL or if that task should require no special permissions
+	  but should instead only allow setting its loginuid if it was never
+	  previously set.  On systems which use systemd or a similar central
+	  process to restart login services this should be set to true.  On older
+	  systems in which an admin would typically have to directly stop and
+	  start processes this should be set to false.  Setting this to true allows
+	  one to drop potentially dangerous capabilites from the login tasks,
+	  but may not be backwards compatible with older init systems.
+
+source "kernel/irq/Kconfig"
+source "kernel/time/Kconfig"
+
+menu "CPU/Task time and stats accounting"
+
+choice
+	prompt "Cputime accounting"
+	default TICK_CPU_ACCOUNTING if !PPC64
+	default VIRT_CPU_ACCOUNTING if PPC64
+
+# Kind of a stub config for the pure tick based cputime accounting
+config TICK_CPU_ACCOUNTING
+	bool "Simple tick based cputime accounting"
+	depends on !S390
+	help
+	  This is the basic tick based cputime accounting that maintains
+	  statistics about user, system and idle time spent on per jiffies
+	  granularity.
+
+	  If unsure, say Y.
+
+config VIRT_CPU_ACCOUNTING
+	bool "Deterministic task and CPU time accounting"
+	depends on HAVE_VIRT_CPU_ACCOUNTING
+	help
+	  Select this option to enable more accurate task and CPU time
+	  accounting.  This is done by reading a CPU counter on each
+	  kernel entry and exit and on transitions within the kernel
+	  between system, softirq and hardirq state, so there is a
+	  small performance impact.  In the case of s390 or IBM POWER > 5,
+	  this also enables accounting of stolen time on logically-partitioned
+	  systems.
+
+config IRQ_TIME_ACCOUNTING
+	bool "Fine granularity task level IRQ time accounting"
+	depends on HAVE_IRQ_TIME_ACCOUNTING
+	help
+	  Select this option to enable fine granularity task irq time
+	  accounting. This is done by reading a timestamp on each
+	  transitions between softirq and hardirq state, so there can be a
+	  small performance impact.
+
+	  If in doubt, say N here.
+
+endchoice
+
 config BSD_PROCESS_ACCT
 	bool "BSD Process Accounting"
 	help
@@ -292,18 +392,6 @@ config BSD_PROCESS_ACCT_V3
 	  for processing it. A preliminary version of these tools is available
 	  at <http://www.gnu.org/software/acct/>.
 
-config FHANDLE
-	bool "open by fhandle syscalls"
-	select EXPORTFS
-	help
-	  If you say Y here, a user level program will be able to map
-	  file names to handle and then later use the handle for
-	  different file system operations. This is useful in implementing
-	  userspace file servers, which now track files using handles instead
-	  of names. The handle would remain the same even if file names
-	  get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2)
-	  syscalls.
-
 config TASKSTATS
 	bool "Export task/process statistics through netlink (EXPERIMENTAL)"
 	depends on NET
@@ -346,50 +434,7 @@ config TASK_IO_ACCOUNTING
 
 	  Say N if unsure.
 
-config AUDIT
-	bool "Auditing support"
-	depends on NET
-	help
-	  Enable auditing infrastructure that can be used with another
-	  kernel subsystem, such as SELinux (which requires this for
-	  logging of avc messages output).  Does not do system-call
-	  auditing without CONFIG_AUDITSYSCALL.
-
-config AUDITSYSCALL
-	bool "Enable system-call auditing support"
-	depends on AUDIT && (X86 || PPC || S390 || IA64 || UML || SPARC64 || SUPERH || (ARM && AEABI && !OABI_COMPAT))
-	default y if SECURITY_SELINUX
-	help
-	  Enable low-overhead system-call auditing infrastructure that
-	  can be used independently or with another kernel subsystem,
-	  such as SELinux.
-
-config AUDIT_WATCH
-	def_bool y
-	depends on AUDITSYSCALL
-	select FSNOTIFY
-
-config AUDIT_TREE
-	def_bool y
-	depends on AUDITSYSCALL
-	select FSNOTIFY
-
-config AUDIT_LOGINUID_IMMUTABLE
-	bool "Make audit loginuid immutable"
-	depends on AUDIT
-	help
-	  The config option toggles if a task setting its loginuid requires
-	  CAP_SYS_AUDITCONTROL or if that task should require no special permissions
-	  but should instead only allow setting its loginuid if it was never
-	  previously set.  On systems which use systemd or a similar central
-	  process to restart login services this should be set to true.  On older
-	  systems in which an admin would typically have to directly stop and
-	  start processes this should be set to false.  Setting this to true allows
-	  one to drop potentially dangerous capabilites from the login tasks,
-	  but may not be backwards compatible with older init systems.
-
-source "kernel/irq/Kconfig"
-source "kernel/time/Kconfig"
+endmenu # "CPU/Task time and stats accounting"
 
 menu "RCU Subsystem"
 
@@ -441,6 +486,36 @@ config PREEMPT_RCU
 	  This option enables preemptible-RCU code that is common between
 	  the TREE_PREEMPT_RCU and TINY_PREEMPT_RCU implementations.
 
+config RCU_USER_QS
+	bool "Consider userspace as in RCU extended quiescent state"
+	depends on HAVE_RCU_USER_QS && SMP
+	help
+	  This option sets hooks on kernel / userspace boundaries and
+	  puts RCU in extended quiescent state when the CPU runs in
+	  userspace. It means that when a CPU runs in userspace, it is
+	  excluded from the global RCU state machine and thus doesn't
+	  to keep the timer tick on for RCU.
+
+	  Unless you want to hack and help the development of the full
+	  tickless feature, you shouldn't enable this option. It adds
+	  unnecessary overhead.
+
+	  If unsure say N
+
+config RCU_USER_QS_FORCE
+	bool "Force userspace extended QS by default"
+	depends on RCU_USER_QS
+	help
+	  Set the hooks in user/kernel boundaries by default in order to
+	  test this feature that treats userspace as an extended quiescent
+	  state until we have a real user like a full adaptive nohz option.
+
+	  Unless you want to hack and help the development of the full
+	  tickless feature, you shouldn't enable this option. It adds
+	  unnecessary overhead.
+
+	  If unsure say N
+
 config RCU_FANOUT
 	int "Tree-based hierarchical RCU fanout value"
 	range 2 64 if 64BIT
@@ -923,113 +998,24 @@ config UIDGID_CONVERTED
 	bool
 	default y
 
-	# List of kernel pieces that need user namespace work
-	# Features
-	depends on SYSVIPC = n
-	depends on IMA = n
-	depends on EVM = n
-	depends on KEYS = n
-	depends on AUDIT = n
-	depends on AUDITSYSCALL = n
-	depends on TASKSTATS = n
-	depends on TRACING = n
-	depends on FS_POSIX_ACL = n
-	depends on QUOTA = n
-	depends on QUOTACTL = n
-	depends on DEBUG_CREDENTIALS = n
-	depends on BSD_PROCESS_ACCT = n
-	depends on DRM = n
-	depends on PROC_EVENTS = n
-
 	# Networking
-	depends on NET = n
 	depends on NET_9P = n
-	depends on IPX = n
-	depends on PHONET = n
-	depends on NET_CLS_FLOW = n
-	depends on NETFILTER_XT_MATCH_OWNER = n
-	depends on NETFILTER_XT_MATCH_RECENT = n
-	depends on NETFILTER_XT_TARGET_LOG = n
-	depends on NETFILTER_NETLINK_LOG = n
-	depends on INET = n
-	depends on IPV6 = n
-	depends on IP_SCTP = n
-	depends on AF_RXRPC = n
-	depends on LLC2 = n
-	depends on NET_KEY = n
-	depends on INET_DIAG = n
-	depends on DNS_RESOLVER = n
-	depends on AX25 = n
-	depends on ATALK = n
 
 	# Filesystems
-	depends on USB_DEVICEFS = n
-	depends on USB_GADGETFS = n
-	depends on USB_FUNCTIONFS = n
-	depends on DEVTMPFS = n
-	depends on XENFS = n
-
 	depends on 9P_FS = n
-	depends on ADFS_FS = n
-	depends on AFFS_FS = n
 	depends on AFS_FS = n
 	depends on AUTOFS4_FS = n
-	depends on BEFS_FS = n
-	depends on BFS_FS = n
-	depends on BTRFS_FS = n
 	depends on CEPH_FS = n
 	depends on CIFS = n
 	depends on CODA_FS = n
-	depends on CONFIGFS_FS = n
-	depends on CRAMFS = n
-	depends on DEBUG_FS = n
-	depends on ECRYPT_FS = n
-	depends on EFS_FS = n
-	depends on EXOFS_FS = n
-	depends on FAT_FS = n
 	depends on FUSE_FS = n
 	depends on GFS2_FS = n
-	depends on HFS_FS = n
-	depends on HFSPLUS_FS = n
-	depends on HPFS_FS = n
-	depends on HUGETLBFS = n
-	depends on ISO9660_FS = n
-	depends on JFFS2_FS = n
-	depends on JFS_FS = n
-	depends on LOGFS = n
-	depends on MINIX_FS = n
 	depends on NCP_FS = n
 	depends on NFSD = n
 	depends on NFS_FS = n
-	depends on NILFS2_FS = n
-	depends on NTFS_FS = n
 	depends on OCFS2_FS = n
-	depends on OMFS_FS = n
-	depends on QNX4FS_FS = n
-	depends on QNX6FS_FS = n
-	depends on REISERFS_FS = n
-	depends on SQUASHFS = n
-	depends on SYSV_FS = n
-	depends on UBIFS_FS = n
-	depends on UDF_FS = n
-	depends on UFS_FS = n
-	depends on VXFS_FS = n
 	depends on XFS_FS = n
 
-	depends on !UML || HOSTFS = n
-
-	# The rare drivers that won't build
-	depends on AIRO = n
-	depends on AIRO_CS = n
-	depends on TUN = n
-	depends on INFINIBAND_QIB = n
-	depends on BLK_DEV_LOOP = n
-	depends on ANDROID_BINDER_IPC = n
-
-	# Security modules
-	depends on SECURITY_TOMOYO = n
-	depends on SECURITY_APPARMOR = n
-
 config UIDGID_STRICT_TYPE_CHECKS
 	bool "Require conversions between uid/gids and their internal representation"
 	depends on UIDGID_CONVERTED
@@ -1151,9 +1137,12 @@ menuconfig EXPERT
           environments which can tolerate a "non-standard" kernel.
           Only use this if you really know what you are doing.
 
+config HAVE_UID16
+	bool
+
 config UID16
 	bool "Enable 16-bit UID system calls" if EXPERT
-	depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION)
+	depends on HAVE_UID16
 	default y
 	help
 	  This enables the legacy 16-bit UID syscall wrappers.
@@ -1175,6 +1164,11 @@ config SYSCTL_SYSCALL
 
 	  If unsure say N here.
 
+config SYSCTL_EXCEPTION_TRACE
+	bool
+	help
+	  Enable support for /proc/sys/debug/exception-trace.
+
 config KALLSYMS
 	 bool "Load all symbols for debugging/ksymoops" if EXPERT
 	 default y
@@ -1201,13 +1195,7 @@ config KALLSYMS_ALL
 	   Say N unless you really need all symbols.
 
 config HOTPLUG
-	bool "Support for hot-pluggable devices" if EXPERT
-	default y
-	help
-	  This option is provided for the case where no hotplug or uevent
-	  capabilities is wanted by the kernel.  You should only consider
-	  disabling this option for embedded systems that do not use modules, a
-	  dynamic /dev tree, or dynamic device discovery.  Just say Y.
+	def_bool y
 
 config PRINTK
 	default y
@@ -1230,6 +1218,7 @@ config BUG
           Just say Y.
 
 config ELF_CORE
+	depends on COREDUMP
 	default y
 	bool "Enable ELF core dumps" if EXPERT
 	help
@@ -1588,6 +1577,14 @@ config MODULE_SRCVERSION_ALL
 config MODULE_SIG
 	bool "Module signature verification"
 	depends on MODULES
+	select KEYS
+	select CRYPTO
+	select ASYMMETRIC_KEY_TYPE
+	select ASYMMETRIC_PUBLIC_KEY_SUBTYPE
+	select PUBLIC_KEY_ALGO_RSA
+	select ASN1
+	select OID_REGISTRY
+	select X509_CERTIFICATE_PARSER
 	help
 	  Check modules for valid signatures upon load: the signature
 	  is simply appended to the module. For more information see
@@ -1664,6 +1661,12 @@ config PADATA
 	depends on SMP
 	bool
 
+# Can be selected by architectures with broken toolchains
+# that get confused by correct const<->read_only section
+# mappings
+config BROKEN_RODATA
+	bool
+
 config ASN1
 	tristate
 	help