FROMLIST: [PATCH v5 12/12] lib: vdso: do not expose gettimeofday, if no arch supporte...

[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 63d14d9b51d889dceffc1492d4e72b220fae47cc..7a51dfe5daa39c9476fdd50522a9097f336f430e 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -15,6 +15,13 @@ config PRINTK_TIME
          The behavior is also controlled by the kernel command line
          parameter printk.time=1. See Documentation/kernel-parameters.txt
 
+config PRINTK_PROCESS
+       bool "Show process information on printks"
+       depends on PRINTK
+       help
+         Selecting this option causes process to be
+         included in printk output. Or add printk.process=1 at boot-time.
+
 config MESSAGE_LOGLEVEL_DEFAULT
        int "Default message log level (1-7)"
        range 1 7
@@ -145,7 +152,7 @@ config DEBUG_INFO_REDUCED
 
 config DEBUG_INFO_SPLIT
        bool "Produce split debuginfo in .dwo files"
-       depends on DEBUG_INFO
+       depends on DEBUG_INFO && !FRV
        help
          Generate debug info into separate .dwo files. This significantly
          reduces the build directory size for builds with DEBUG_INFO,
@@ -676,6 +683,27 @@ source "lib/Kconfig.kasan"
 
 endmenu # "Memory Debugging"
 
+config ARCH_HAS_KCOV
+       bool
+       help
+         KCOV does not have any arch-specific code, but currently it is enabled
+         only for x86_64. KCOV requires testing on other archs, and most likely
+         disabling of instrumentation for some early boot code.
+
+config KCOV
+       bool "Code coverage for fuzzing"
+       depends on ARCH_HAS_KCOV
+       select DEBUG_FS
+       help
+         KCOV exposes kernel code coverage information in a form suitable
+         for coverage-guided fuzzing (randomized testing).
+
+         If RANDOMIZE_BASE is enabled, PC values will not be stable across
+         different machines and across reboots. If you need stable PC values,
+         disable RANDOMIZE_BASE.
+
+         For more details, see Documentation/kcov.txt.
+
 config DEBUG_SHIRQ
        bool "Debug shared IRQ handlers"
        depends on DEBUG_KERNEL