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From:   Andrey Konovalov <andreyknvl@gmail.com>
Date:   Mon, 6 Dec 2021 22:10:10 +0100
Message-ID: <CA+fCnZf08U_nZzR2snKs_SBXjB8WhSDARNpP3d+wMwgFvDgoHg@mail.gmail.com>
Subject: Re: [PATCH 23/31] kasan, arm64: allow KASAN_VMALLOC with SW_TAGS
To:     Marco Elver <elver@google.com>
Cc:     andrey.konovalov@linux.dev,
        Alexander Potapenko <glider@google.com>,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Peter Collingbourne <pcc@google.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        kasan-dev <kasan-dev@googlegroups.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        Will Deacon <will@kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Evgenii Stepanov <eugenis@google.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Andrey Konovalov <andreyknvl@google.com>
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On Fri, Dec 3, 2021 at 1:38 PM Marco Elver <elver@google.com> wrote:
>
> On Tue, Nov 30, 2021 at 11:07PM +0100, andrey.konovalov@linux.dev wrote:
> > From: Andrey Konovalov <andreyknvl@google.com>
> >
> > vmalloc support for SW_TAGS KASAN is now complete.
> >
> > Allow enabling CONFIG_KASAN_VMALLOC.
> >
> > Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
>
> This change is small enough that I would have expected the
> lib/Kconfig.kasan change to appear in "kasan, vmalloc: add vmalloc
> support to SW_TAGS" because that sounds like it would fully unlock
> core KASAN support.
>
> However, the arm64 change could be in its own patch, since there may be
> conflicts with arm64 tree or during backports, and only dropping that
> may be ok.
>
> I've been backporting too many patches lately, that I feel that would
> help.

Sounds good, will do in v2. Thanks!