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

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Message-Id: <20210111221820.b252f44de1e0bf4add506776@linux-foundation.org>
Date:   Mon, 11 Jan 2021 22:18:20 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     hailong <hailongliiu@...h.net>,
        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>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] arm/kasan:fix the arry size of kasan_early_shadow_pte

On Sun, 10 Jan 2021 13:03:49 +0100 Linus Walleij <linus.walleij@...aro.org> wrote:

> 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!
> 

This code is 2+ years old.  Do we think it warrants a cc:stable?