samples: move blackfin gptimers-example from Documentation

[cascardo/linux.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index f07842e..a662083 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -709,6 +709,8 @@ config KCOV
        bool "Code coverage for fuzzing"
        depends on ARCH_HAS_KCOV
        select DEBUG_FS
+       select GCC_PLUGINS if !COMPILE_TEST
+       select GCC_PLUGIN_SANCOV if !COMPILE_TEST
        help
          KCOV exposes kernel code coverage information in a form suitable
          for coverage-guided fuzzing (randomized testing).
@@ -719,6 +721,17 @@ config KCOV
 
          For more details, see Documentation/kcov.txt.
 
+config KCOV_INSTRUMENT_ALL
+       bool "Instrument all code by default"
+       depends on KCOV
+       default y if KCOV
+       help
+         If you are doing generic system call fuzzing (like e.g. syzkaller),
+         then you will want to instrument the whole kernel and you should
+         say y here. If you are doing more targeted fuzzing (like e.g.
+         filesystem fuzzing with AFL) then you will want to enable coverage
+         for more specific subsets of files, and should say n here.
+
 config DEBUG_SHIRQ
        bool "Debug shared IRQ handlers"
        depends on DEBUG_KERNEL
@@ -1862,15 +1875,6 @@ config PROVIDE_OHCI1394_DMA_INIT
 
          See Documentation/debugging-via-ohci1394.txt for more information.
 
-config BUILD_DOCSRC
-       bool "Build targets in Documentation/ tree"
-       depends on HEADERS_CHECK
-       help
-         This option attempts to build objects from the source files in the
-         kernel Documentation/ tree.
-
-         Say N if you are unsure.
-
 config DMA_API_DEBUG
        bool "Enable debugging of DMA-API usage"
        depends on HAVE_DMA_API_DEBUG