crash: move crashkernel parsing and vmcore related code under CONFIG_CRASH_CORE

[mirror_ubuntu-bionic-kernel.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index cd211a14a88f7774bec3abbe3b371f0302e624a0..dcbd462b68b1c97debee940e0aec6154113142ae 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -2,7 +2,11 @@
 # General architecture dependent options
 #
 
+config CRASH_CORE
+       bool
+
 config KEXEC_CORE
+       select CRASH_CORE
        bool
 
 config HAVE_IMA_KEXEC
@@ -700,6 +704,13 @@ config ARCH_MMAP_RND_COMPAT_BITS
          This value can be changed after boot using the
          /proc/sys/vm/mmap_rnd_compat_bits tunable
 
+config HAVE_ARCH_COMPAT_MMAP_BASES
+       bool
+       help
+         This allows 64bit applications to invoke 32-bit mmap() syscall
+         and vice-versa 32-bit applications to call 64-bit mmap().
+         Required for applications doing different bitness syscalls.
+
 config HAVE_COPY_THREAD_TLS
        bool
        help
@@ -713,6 +724,12 @@ config HAVE_STACK_VALIDATION
          Architecture supports the 'objtool check' host tool command, which
          performs compile-time stack metadata validation.
 
+config HAVE_RELIABLE_STACKTRACE
+       bool
+       help
+         Architecture has a save_stack_trace_tsk_reliable() function which
+         only returns a stack trace if it can guarantee the trace is reliable.
+
 config HAVE_ARCH_HASH
        bool
        default n