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References: <cover.1544099024.git.andreyknvl@google.com> <20181211151829.GB11718@edgewater-inn.cambridge.arm.com>
In-Reply-To: <20181211151829.GB11718@edgewater-inn.cambridge.arm.com>
From: Andrey Konovalov <andreyknvl@google.com>
Date: Tue, 11 Dec 2018 16:57:27 +0100
Message-ID: <CAAeHK+xxNsOfaUZhcErc+fjEEv0YZ-dbQ0fTXzQUO4dZbM-GgA@mail.gmail.com>
Subject: Re: [PATCH v13 00/25] kasan: add software tag-based mode for arm64
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To: Will Deacon <will.deacon@arm.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Dmitry Vyukov <dvyukov@google.com>, Catalin Marinas <catalin.marinas@arm.com>, Christoph Lameter <cl@linux.com>, Andrew Morton <akpm@linux-foundation.org>, Mark Rutland <mark.rutland@arm.com>, Nick Desaulniers <ndesaulniers@google.com>, Marc Zyngier <marc.zyngier@arm.com>, Dave Martin <dave.martin@arm.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, "Eric W . Biederman" <ebiederm@xmission.com>, Ingo Molnar <mingo@kernel.org>, Paul Lawrence <paullawrence@google.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Arnd Bergmann <arnd@arndb.de>, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Kate Stewart <kstewart@linuxfoundation.org>, Mike Rapoport <rppt@linux.vnet.ibm.com>, kasan-dev <kasan-dev@googlegroups.com>, "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>, Linux ARM <linux-arm-kernel@lists.infradead.org>, linux-sparse@vger.kernel.org, Linux Memory Management List <linux-mm@kvack.org>, Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>, Kostya Serebryany <kcc@google.com>, Evgenii Stepanov <eugenis@google.com>, Lee Smith <Lee.Smith@arm.com>, Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>, Jacob Bramley <Jacob.Bramley@arm.com>, Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>, Jann Horn <jannh@google.com>, Mark Brand <markbrand@google.com>, Chintan Pandya <cpandya@codeaurora.org>, Vishwath Mohan <vishwath@google.com>

On Tue, Dec 11, 2018 at 4:18 PM Will Deacon <will.deacon@arm.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@arm.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!