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SubjectRe: [PATCH v7 01/12] Add kernel address sanitizer infrastructure.
On 11/25/2014 03:40 PM, Dmitry Chernenkov wrote:
> I'm a little concerned with how enabling/disabling works. If an
> enable() is forgotten once, it's disabled forever. If disable() is
> forgotten once, the toggle is reversed for the forseable future. MB
> check for inequality in kasan_enabled()? like current->kasan_depth >=
> 0 (will need a signed int for the field). Do you think it's going to
> decrease performance?

I think that check in kasan_enabled shouldn't hurt much.
But it also doesn't look very useful for me.

There are only few user of kasan_disable_local/kasan_enable_local, it's easy to review them.
And in future we also shouldn't have a lot of new users of those functions.


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