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authorYang Shi <yang.shi@linaro.org>2016-02-12 03:12:55 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-02-12 05:35:48 +0300
commit7707535ab95e2231b6d7f2bfb4f27558e83c4dc2 (patch)
tree818d530013add9054b2382f1d301dc72d5bd8dea /lib/Kconfig.ubsan
parentc05235d50f681bf685e7290cae05ab3b4fa493f3 (diff)
downloadlinux-7707535ab95e2231b6d7f2bfb4f27558e83c4dc2.tar.xz
ubsan: cosmetic fix to Kconfig text
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>
Diffstat (limited to 'lib/Kconfig.ubsan')
-rw-r--r--lib/Kconfig.ubsan4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 49518fb48cab..e07c1ba9ba13 100644
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -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.