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From: Ard Biesheuvel <ardb@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Ziliang Guo <guo.ziliang@zte.com.cn>,
	 "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Hailong Liu <liu.hailong6@zte.com.cn>,
	 Russell King <linux@armlinux.org.uk>,
	kasan-dev <kasan-dev@googlegroups.com>,
	 hailong <hailongliiu@yeah.net>,
	Linux Memory Management List <linux-mm@kvack.org>,
	 Alexander Potapenko <glider@google.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	 Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Dmitry Vyukov <dvyukov@google.com>
Subject: Re: [PATCH] arm/kasan:fix the arry size of kasan_early_shadow_pte
Date: Tue, 12 Jan 2021 10:05:28 +0100	[thread overview]
Message-ID: <CAMj1kXHengoRaQFVPmbH2hNdLK_-pLuiL6Aqcg8a=1CDvU+HpQ@mail.gmail.com> (raw)
In-Reply-To: <20210111221820.b252f44de1e0bf4add506776@linux-foundation.org>

On Tue, 12 Jan 2021 at 07:19, Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Sun, 10 Jan 2021 13:03:49 +0100 Linus Walleij <linus.walleij@linaro.org> wrote:
>
> > On Sun, Jan 10, 2021 at 11:21 AM hailong <hailongliiu@yeah.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?
>

Not needed - ARM only gained Kasan support this cycle, and this patch
does not affect any other architectures


      reply	other threads:[~2021-01-12  9:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-09  4:46 [PATCH] arm/kasan:fix the arry size of kasan_early_shadow_pte Hailong liu
2021-01-09  8:51 ` Ard Biesheuvel
2021-01-09 21:26 ` Linus Walleij
2021-01-10 10:20   ` hailong
2021-01-10 12:03     ` Linus Walleij
2021-01-12  6:18       ` Andrew Morton
2021-01-12  9:05         ` Ard Biesheuvel [this message]

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