linux-kernel - Re: Re: [PATCH] arm/kasan:fix the arry size of kasan_early_shadow

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Message-ID: <CACRpkdY7eYyVNvqMRYvTQsLNrXa+fzPsWA5JHDuS4nqry+CHcw@mail.gmail.com>
Date:   Sun, 10 Jan 2021 13:03:49 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     hailong <hailongliiu@...h.net>
Cc:     Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Ziliang Guo <guo.ziliang@....com.cn>,
        Hailong Liu <liu.hailong6@....com.cn>,
        Russell King <linux@...linux.org.uk>,
        kasan-dev <kasan-dev@...glegroups.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: Re: [PATCH] arm/kasan:fix the arry size of kasan_early_shadow_pte

On Sun, Jan 10, 2021 at 11:21 AM hailong <hailongliiu@...h.net> wrote:

> >> +#ifndef PTE_HWTABLE_PTRS
> >> +#define PTE_HWTABLE_PTRS 0
> >> +#endif
> >
> >Can this even happen? We have either pgtable-2level.h or
> >pgtable-3level.h, both of which define PTE_HWTABLE_PTRS.
> >
>
> I guess not for arm. But I'm not sure for other ARCHs.

Oh it's a generic include. Sorry for the confusion.

All good then!

Yours,
Linus Walleij