Messages in this thread | | | Subject | Re: [PATCH] ubsan: cosmetic fix to Kconfig text | From | Andrey Ryabinin <> | Date | Mon, 8 Feb 2016 10:48:17 +0300 |
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On 02/06/2016 03:05 AM, Yang Shi wrote: > 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>
> lib/Kconfig.ubsan | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan > index 49518fb..e07c1ba 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. >
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