context_tracking: New context tracking susbsystem

[linux-2.6-block.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index a79a1ad8bb960a1d2aead851018fd2496c231d12..cc74aaea116c8cf7176725b937ee9e2cb2ce374b 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -300,15 +300,16 @@ config SECCOMP_FILTER
 
          See Documentation/prctl/seccomp_filter.txt for details.
 
-config HAVE_RCU_USER_QS
+config HAVE_CONTEXT_TRACKING
        bool
        help
-         Provide kernel entry/exit hooks necessary for userspace
-         RCU extended quiescent state. Syscalls need to be wrapped inside
-         rcu_user_exit()-rcu_user_enter() through the slow path using
-         TIF_NOHZ flag. Exceptions handlers must be wrapped as well. Irqs
-         are already protected inside rcu_irq_enter/rcu_irq_exit() but
-         preemption or signal handling on irq exit still need to be protected.
+         Provide kernel/user boundaries probes necessary for subsystems
+         that need it, such as userspace RCU extended quiescent state.
+         Syscalls need to be wrapped inside user_exit()-user_enter() through
+         the slow path using TIF_NOHZ flag. Exceptions handlers must be
+         wrapped as well. Irqs are already protected inside
+         rcu_irq_enter/rcu_irq_exit() but preemption or signal handling on
+         irq exit still need to be protected.
 
 config HAVE_VIRT_CPU_ACCOUNTING
        bool
@@ -322,4 +323,23 @@ config HAVE_IRQ_TIME_ACCOUNTING
 config HAVE_ARCH_TRANSPARENT_HUGEPAGE
        bool
 
+config HAVE_MOD_ARCH_SPECIFIC
+       bool
+       help
+         The arch uses struct mod_arch_specific to store data.  Many arches
+         just need a simple module loader without arch specific data - those
+         should not enable this.
+
+config MODULES_USE_ELF_RELA
+       bool
+       help
+         Modules only use ELF RELA relocations.  Modules with ELF REL
+         relocations will give an error.
+
+config MODULES_USE_ELF_REL
+       bool
+       help
+         Modules only use ELF REL relocations.  Modules with ELF RELA
+         relocations will give an error.
+
 source "kernel/gcov/Kconfig"