linux-kernel - Re: [PATCH 29/31] kasan, arm64: allow KASAN_VMALLOC with HW

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Message-ID: <CA+fCnZcv+cAhNY4N5z+=5Pa9sbTXtr4fMU_23OA_-T4nsYqvjQ@mail.gmail.com>
Date:   Mon, 6 Dec 2021 22:10:40 +0100
From:   Andrey Konovalov <andreyknvl@...il.com>
To:     Marco Elver <elver@...gle.com>
Cc:     andrey.konovalov@...ux.dev,
        Alexander Potapenko <glider@...gle.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Peter Collingbourne <pcc@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Will Deacon <will@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Evgenii Stepanov <eugenis@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: Re: [PATCH 29/31] kasan, arm64: allow KASAN_VMALLOC with HW_TAGS

On Fri, Dec 3, 2021 at 1:40 PM Marco Elver <elver@...gle.com> wrote:
>
> On Tue, Nov 30, 2021 at 11:08PM +0100, andrey.konovalov@...ux.dev wrote:
> > From: Andrey Konovalov <andreyknvl@...gle.com>
> >
> > vmalloc tagging support for HW_TAGS KASAN is now complete.
> >
> > Allow enabling CONFIG_KASAN_VMALLOC.
> >
> > Also adjust CONFIG_KASAN_VMALLOC description:
> >
> > - Mention HW_TAGS support.
> > - Remove unneeded internal details: they have no place in Kconfig
> >   description and are already explained in the documentation.
> >
> > Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
> > ---
> >  arch/arm64/Kconfig |  3 +--
> >  lib/Kconfig.kasan  | 20 ++++++++++----------
>
> Like in the SW_TAGS case, consider moving the lib/Kconfig.kasan change
> to the final "kasan, vmalloc: add vmalloc support to HW_TAGS" and only
> leave the arm64 in its own patch.

Will do in v2. Thanks!