ubsan: cosmetic fix to Kconfig text
authorYang Shi <yang.shi@linaro.org>
Fri, 12 Feb 2016 00:12:55 +0000 (16:12 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 12 Feb 2016 02:35:48 +0000 (18:35 -0800)
When enabling UBSAN_SANITIZE_ALL, the kernel image size gets increased
significantly (~3x).  So, it sounds better to have some note in Kconfig.

And, fixed a typo.

Signed-off-by: Yang Shi <yang.shi@linaro.org>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
lib/Kconfig.ubsan

index 49518fb48cabb6d8c35b4a90b7d17917ebbfb211..e07c1ba9ba1339a80dac79d59255d80d600b096e 100644 (file)
@@ -18,6 +18,8 @@ config UBSAN_SANITIZE_ALL
          This option activates instrumentation for the entire kernel.
          If you don't enable this option, you have to explicitly specify
          UBSAN_SANITIZE := y for the files/directories you want to check for UB.
+         Enabling this option will get kernel image size increased
+         significantly.
 
 config UBSAN_ALIGNMENT
        bool "Enable checking of pointers alignment"
@@ -25,5 +27,5 @@ config UBSAN_ALIGNMENT
        default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS
        help
          This option enables detection of unaligned memory accesses.
-         Enabling this option on architectures that support unalligned
+         Enabling this option on architectures that support unaligned
          accesses may produce a lot of false positives.