X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=init%2FKconfig;h=3f42cd66f0f87a25510dd000aed37de5c0d5cc71;hb=c75d5c5d82146636560ad5b91f3544ae60fc1c57;hp=43298f9810fba87bdf0083ac1fa5401b0819c4cb;hpb=d756bd2d9339447c29bde950910586df8f8941ec;p=firefly-linux-kernel-4.4.55.git

diff --git a/init/Kconfig b/init/Kconfig
index 43298f9810fb..3f42cd66f0f8 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -355,7 +355,7 @@ config AUDIT
 
 config AUDITSYSCALL
 	bool "Enable system-call auditing support"
-	depends on AUDIT && (X86 || PPC || S390 || IA64 || UML || SPARC64 || SUPERH)
+	depends on AUDIT && (X86 || PPC || S390 || IA64 || UML || SPARC64 || SUPERH || ARM)
 	default y if SECURITY_SELINUX
 	help
 	  Enable low-overhead system-call auditing infrastructure that
@@ -372,6 +372,20 @@ config AUDIT_TREE
 	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"
 
 menu "RCU Subsystem"
@@ -469,14 +483,14 @@ config RCU_FANOUT_EXACT
 
 config RCU_FAST_NO_HZ
 	bool "Accelerate last non-dyntick-idle CPU's grace periods"
-	depends on TREE_RCU && NO_HZ && SMP
+	depends on NO_HZ && SMP
 	default n
 	help
 	  This option causes RCU to attempt to accelerate grace periods
-	  in order to allow the final CPU to enter dynticks-idle state
-	  more quickly.  On the other hand, this option increases the
-	  overhead of the dynticks-idle checking, particularly on systems
-	  with large numbers of CPUs.
+	  in order to allow CPUs to enter dynticks-idle state more
+	  quickly.  On the other hand, this option increases the overhead
+	  of the dynticks-idle checking, particularly on systems with
+	  large numbers of CPUs.
 
 	  Say Y if energy efficiency is critically important, particularly
 	  	if you have relatively few CPUs.
@@ -689,6 +703,17 @@ config CGROUP_MEM_RES_CTLR_SWAP_ENABLED
 	  For those who want to have the feature enabled by default should
 	  select this option (if, for some reason, they need to disable it
 	  then swapaccount=0 does the trick).
+config CGROUP_MEM_RES_CTLR_KMEM
+	bool "Memory Resource Controller Kernel Memory accounting (EXPERIMENTAL)"
+	depends on CGROUP_MEM_RES_CTLR && EXPERIMENTAL
+	default n
+	help
+	  The Kernel Memory extension for Memory Resource Controller can limit
+	  the amount of memory used by kernel objects in the system. Those are
+	  fundamentally different from the entities handled by the standard
+	  Memory Controller, which are page-based, and can be swapped. Users of
+	  the kmem extension can use it to guarantee that no group of processes
+	  will ever exhaust kernel resources alone.
 
 config CGROUP_PERF
 	bool "Enable perf_event per-cpu per-container group (cgroup) monitoring"
@@ -702,7 +727,6 @@ config CGROUP_PERF
 
 menuconfig CGROUP_SCHED
 	bool "Group CPU scheduler"
-	depends on EXPERIMENTAL
 	default n
 	help
 	  This feature lets CPU scheduler recognize task groups and control CPU
@@ -773,6 +797,17 @@ config DEBUG_BLK_CGROUP
 
 endif # CGROUPS
 
+config CHECKPOINT_RESTORE
+	bool "Checkpoint/restore support" if EXPERT
+	default n
+	help
+	  Enables additional kernel features in a sake of checkpoint/restore.
+	  In particular it adds auxiliary prctl codes to setup process text,
+	  data and heap segment sizes, and a few additional /proc filesystem
+	  entries.
+
+	  If unsure, say N here.
+
 menuconfig NAMESPACES
 	bool "Namespaces support" if EXPERT
 	default !EXPERT