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From:   Andrey Konovalov <andreyknvl@google.com>
Date:   Thu, 6 Dec 2018 11:19:57 +0100
Message-ID: <CAAeHK+yN6Jrk6G6OjbkMHwCxkuQHfrz8PXtPTUdrfsHaru_eKA@mail.gmail.com>
Subject: Re: [PATCH v12 23/25] kasan, arm64: select HAVE_ARCH_KASAN_SW_TAGS
To:     Will Deacon <will.deacon@arm.com>
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On Thu, Nov 29, 2018 at 7:01 PM Will Deacon <will.deacon@arm.com> wrote:
>
> On Tue, Nov 27, 2018 at 05:55:41PM +0100, Andrey Konovalov wrote:
> > Now, that all the necessary infrastructure code has been introduced,
> > select HAVE_ARCH_KASAN_SW_TAGS for arm64 to enable software tag-based
> > KASAN mode.
> >
> > Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> > ---
> >  arch/arm64/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> > index 787d7850e064..8b331dcfb48e 100644
> > --- a/arch/arm64/Kconfig
> > +++ b/arch/arm64/Kconfig
> > @@ -111,6 +111,7 @@ config ARM64
> >       select HAVE_ARCH_JUMP_LABEL
> >       select HAVE_ARCH_JUMP_LABEL_RELATIVE
> >       select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
> > +     select HAVE_ARCH_KASAN_SW_TAGS if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
>
> Can you do if HAVE_ARCH_KASAN instead?

Will do in v13, thanks!

>
> Will