linux-kernel - Re: [PATCH v4] kasan: remove redundant config option

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Message-ID: <CAAeHK+xBcFgft9yqNMEKs42tEWEDt4Za9n1_t95PAEiS7Cqibw@mail.gmail.com>
Date:   Fri, 12 Mar 2021 15:31:12 +0100
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Walter Wu <walter-zh.wu@...iatek.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        wsd_upstream <wsd_upstream@...iatek.com>,
        "moderated list:ARM/Mediatek SoC..." 
        <linux-mediatek@...ts.infradead.org>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>
Subject: Re: [PATCH v4] kasan: remove redundant config option

On Thu, Mar 11, 2021 at 6:45 AM Andrew Morton <akpm@...ux-foundation.org> wrote:
>
> On Thu, 11 Mar 2021 09:32:45 +0800 Walter Wu <walter-zh.wu@...iatek.com> wrote:
>
> >
> > Hi Andrew,
> >
> > I see my v4 patch is different in the next tree now. please see below
> > information.
> > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ebced5fb0ef969620ecdc4011f600f9e7c229a3c
> > The different is in lib/Kconfig.kasan.
> > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/diff/lib/Kconfig.kasan?id=ebced5fb0ef969620ecdc4011f600f9e7c229a3c
> >
>
> They look the same to me.  I did have `int' for KASAN_STACK due to a
> merging mess, but I changed that to bool quite quickly.

There's still something wrong with this patch in the mm tree. The
KASAN_STACK option is duplicated in lib/Kconfig.kasan. Badly resolved
conflict with "kasan: fix KASAN_STACK dependency for HW_TAGS"?