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Commit 7707535a authored by Yang Shi's avatar Yang Shi Committed by Linus Torvalds
Browse files

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: default avatarYang Shi <yang.shi@linaro.org>
Acked-by: default avatarAndrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c05235d5

lib/Kconfig.ubsan

+3 −1
Original line number Diff line number Diff line
@@ -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.