linux-kernel - Re: [PATCH v13 00/25] kasan: add software tag-based mode for arm64

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Date:   Tue, 11 Dec 2018 16:57:27 +0100
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     Will Deacon <will.deacon@....com>
Cc:     Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Christoph Lameter <cl@...ux.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Marc Zyngier <marc.zyngier@....com>,
        Dave Martin <dave.martin@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Ingo Molnar <mingo@...nel.org>,
        Paul Lawrence <paullawrence@...gle.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Arnd Bergmann <arnd@...db.de>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        kasan-dev <kasan-dev@...glegroups.com>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-sparse@...r.kernel.org,
        Linux Memory Management List <linux-mm@...ck.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Kostya Serebryany <kcc@...gle.com>,
        Evgenii Stepanov <eugenis@...gle.com>,
        Lee Smith <Lee.Smith@....com>,
        Ramana Radhakrishnan <Ramana.Radhakrishnan@....com>,
        Jacob Bramley <Jacob.Bramley@....com>,
        Ruben Ayrapetyan <Ruben.Ayrapetyan@....com>,
        Jann Horn <jannh@...gle.com>,
        Mark Brand <markbrand@...gle.com>,
        Chintan Pandya <cpandya@...eaurora.org>,
        Vishwath Mohan <vishwath@...gle.com>
Subject: Re: [PATCH v13 00/25] kasan: add software tag-based mode for arm64

On Tue, Dec 11, 2018 at 4:18 PM Will Deacon <will.deacon@....com> wrote:
>
> Hi Andrey,
>
> On Thu, Dec 06, 2018 at 01:24:18PM +0100, Andrey Konovalov wrote:
> > This patchset adds a new software tag-based mode to KASAN [1].
> > (Initially this mode was called KHWASAN, but it got renamed,
> >  see the naming rationale at the end of this section).
> >
> > The plan is to implement HWASan [2] for the kernel with the incentive,
> > that it's going to have comparable to KASAN performance, but in the same
> > time consume much less memory, trading that off for somewhat imprecise
> > bug detection and being supported only for arm64.
>
> For the arm64 parts:
>
> Acked-by: Will Deacon <will.deacon@....com>
>
> I assume that you plan to replace the current patches in -mm with this
> series?
>
> Cheers,
>
> Will

Hi Will,

Yes, that was the intention of sending v13. Should have I sent a
separate patch with v12->v13 fixes instead? I don't know what's the
usual way to make changes to the patchset once it's in the mm tree.

Thanks!