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ubsan: cosmetic fix to Kconfig text

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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>
This commit is contained in:
Yang Shi 2016-02-11 16:12:55 -08:00 committed by Linus Torvalds
parent c05235d50f
commit 7707535ab9
1 changed files with 3 additions and 1 deletions
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4
lib/Kconfig.ubsan
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@ -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.