* [PATCH] ubsan: cosmetic fix to Kconfig text
@ 2016-02-06 0:05 Yang Shi
2016-02-08 7:48 ` Andrey Ryabinin
0 siblings, 1 reply; 2+ messages in thread
From: Yang Shi @ 2016-02-06 0:05 UTC (permalink / raw)
To: aryabinin; +Cc: linux-kernel, linaro-kernel, yang.shi
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>
---
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.
--
2.0.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ubsan: cosmetic fix to Kconfig text
2016-02-06 0:05 [PATCH] ubsan: cosmetic fix to Kconfig text Yang Shi
@ 2016-02-08 7:48 ` Andrey Ryabinin
0 siblings, 0 replies; 2+ messages in thread
From: Andrey Ryabinin @ 2016-02-08 7:48 UTC (permalink / raw)
To: Yang Shi; +Cc: linux-kernel, linaro-kernel, Andrew Morton
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.
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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