3 files changed, 15 insertions, 2 deletions

diff --git a/lib/Kconfig b/lib/Kconfig
index 2e491ac15622..f0df318104e7 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -220,6 +220,7 @@ config ZLIB_INFLATE
 
 config ZLIB_DEFLATE
 	tristate
+	select BITREVERSE
 
 config LZO_COMPRESS
 	tristate
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ab76b99adc85..8c15b29d5adc 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -197,6 +197,7 @@ config ENABLE_MUST_CHECK
 config FRAME_WARN
 	int "Warn for stack frames larger than (needs gcc 4.4)"
 	range 0 8192
+	default 0 if KASAN
 	default 1024 if !64BIT
 	default 2048 if 64BIT
 	help
@@ -311,6 +312,15 @@ config DEBUG_SECTION_MISMATCH
 	  - Enable verbose reporting from modpost in order to help resolve
 	    the section mismatches that are reported.
 
+config SECTION_MISMATCH_WARN_ONLY
+	bool "Make section mismatch errors non-fatal"
+	default y
+	help
+	  If you say N here, the build process will fail if there are any
+	  section mismatch, instead of just throwing warnings.
+
+	  If unsure, say Y.
+
 #
 # Select this config option from the architecture Kconfig, if it
 # is preferred to always offer frame pointers as a config
@@ -1685,6 +1695,9 @@ config TEST_STRING_HELPERS
 config TEST_KSTRTOX
 	tristate "Test kstrto*() family of functions at runtime"
 
+config TEST_PRINTF
+	tristate "Test printf() family of functions at runtime"
+
 config TEST_RHASHTABLE
 	tristate "Perform selftest on resizable hash table"
 	default n
diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 39f24d6721e5..0fee5acd5aa0 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -15,8 +15,7 @@ config KASAN
 	  global variables requires gcc 5.0 or later.
 	  This feature consumes about 1/8 of available memory and brings about
 	  ~x3 performance slowdown.
-	  For better error detection enable CONFIG_STACKTRACE,
-	  and add slub_debug=U to boot cmdline.
+	  For better error detection enable CONFIG_STACKTRACE.
 
 choice
 	prompt "Instrumentation type"