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

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Message-ID: <YaoQM7xWVKISa5Yb@elver.google.com>
Date:   Fri, 3 Dec 2021 13:40:19 +0100
From:   Marco Elver <elver@...gle.com>
To:     andrey.konovalov@...ux.dev
Cc:     Alexander Potapenko <glider@...gle.com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Peter Collingbourne <pcc@...gle.com>,
        Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>, kasan-dev@...glegroups.com,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Will Deacon <will@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Evgenii Stepanov <eugenis@...gle.com>,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: Re: [PATCH 29/31] kasan, arm64: allow KASAN_VMALLOC with HW_TAGS

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.