Merge tag 'iommu-updates-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro...

[deliverable/linux.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index 684eb5af439dc5cee005f51675c2db814a29bf38..8c3d957fa8e2f6b7794223791136c75d6a66b412 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -76,6 +76,23 @@ config OPTPROBES
        depends on KPROBES && HAVE_OPTPROBES
        depends on !PREEMPT
 
+config UPROBES
+       bool "Transparent user-space probes (EXPERIMENTAL)"
+       depends on UPROBE_EVENT && PERF_EVENTS
+       default n
+       help
+         Uprobes is the user-space counterpart to kprobes: they
+         enable instrumentation applications (such as 'perf probe')
+         to establish unintrusive probes in user-space binaries and
+         libraries, by executing handler functions when the probes
+         are hit by user-space applications.
+
+         ( These probes come in the form of single-byte breakpoints,
+           managed by the kernel and kept transparent to the probed
+           application. )
+
+         If in doubt, say "N".
+
 config HAVE_EFFICIENT_UNALIGNED_ACCESS
        bool
        help
@@ -142,9 +159,27 @@ config HAVE_ARCH_TRACEHOOK
 config HAVE_DMA_ATTRS
        bool
 
+config HAVE_DMA_CONTIGUOUS
+       bool
+
 config USE_GENERIC_SMP_HELPERS
        bool
 
+config GENERIC_SMP_IDLE_THREAD
+       bool
+
+# Select if arch init_task initializer is different to init/init_task.c
+config ARCH_INIT_TASK
+       bool
+
+# Select if arch has its private alloc_task_struct() function
+config ARCH_TASK_STRUCT_ALLOCATOR
+       bool
+
+# Select if arch has its private alloc_thread_info() function
+config ARCH_THREAD_INFO_ALLOCATOR
+       bool
+
 config HAVE_REGS_AND_STACK_ACCESS_API
        bool
        help
@@ -216,4 +251,27 @@ config HAVE_CMPXCHG_DOUBLE
 config ARCH_WANT_OLD_COMPAT_IPC
        bool
 
+config HAVE_ARCH_SECCOMP_FILTER
+       bool
+       help
+         An arch should select this symbol if it provides all of these things:
+         - syscall_get_arch()
+         - syscall_get_arguments()
+         - syscall_rollback()
+         - syscall_set_return_value()
+         - SIGSYS siginfo_t support
+         - secure_computing is called from a ptrace_event()-safe context
+         - secure_computing return value is checked and a return value of -1
+           results in the system call being skipped immediately.
+
+config SECCOMP_FILTER
+       def_bool y
+       depends on HAVE_ARCH_SECCOMP_FILTER && SECCOMP && NET
+       help
+         Enable tasks to build secure computing environments defined
+         in terms of Berkeley Packet Filter programs which implement
+         task-defined system call filtering polices.
+
+         See Documentation/prctl/seccomp_filter.txt for details.
+
 source "kernel/gcov/Kconfig"