[PATCH v6 20/40] kasan: don't duplicate config dependencies

Andrey Konovalov andreyknvl at google.com
Thu Oct 29 15:25:41 EDT 2020


Both KASAN_GENERIC and KASAN_SW_TAGS have common dependencies, move
those to KASAN.

Signed-off-by: Andrey Konovalov <andreyknvl at google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino at arm.com>
Reviewed-by: Marco Elver <elver at google.com>
---
Change-Id: I77e475802e8f1750b9154fe4a6e6da4456054fcd
---
 lib/Kconfig.kasan | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 8f0742a0f23e..ec59a0e26d09 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -24,6 +24,8 @@ menuconfig KASAN
 		   (HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS)
 	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
 	depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS
+	select CONSTRUCTORS
+	select STACKDEPOT
 	help
 	  Enables KASAN (KernelAddressSANitizer) - runtime memory debugger,
 	  designed to find out-of-bounds accesses and use-after-free bugs.
@@ -46,10 +48,7 @@ choice
 config KASAN_GENERIC
 	bool "Generic mode"
 	depends on HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC
-	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
 	select SLUB_DEBUG if SLUB
-	select CONSTRUCTORS
-	select STACKDEPOT
 	help
 	  Enables generic KASAN mode.
 
@@ -70,10 +69,7 @@ config KASAN_GENERIC
 config KASAN_SW_TAGS
 	bool "Software tag-based mode"
 	depends on HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS
-	depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
 	select SLUB_DEBUG if SLUB
-	select CONSTRUCTORS
-	select STACKDEPOT
 	help
 	  Enables software tag-based KASAN mode.
 
-- 
2.29.1.341.ge80a0c044ae-goog




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