From: Andrew Morton <akpm@linux-foundation.org>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Steven Price <steven.price@arm.com>,
linux-mm@kvack.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
dja@axtens.net, "Oliver O'Halloran" <oohall@gmail.com>,
linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] mm: pagewalk: Fix walk for hugepage tables
Date: Sun, 27 Jun 2021 18:12:26 -0700 [thread overview]
Message-ID: <20210627181226.983d899cc30c02420e1a6af5@linux-foundation.org> (raw)
In-Reply-To: <38d04410700c8d02f28ba37e020b62c55d6f3d2c.1624597695.git.christophe.leroy@csgroup.eu>
On Fri, 25 Jun 2021 05:10:12 +0000 (UTC) Christophe Leroy <christophe.leroy@csgroup.eu> wrote:
> Pagewalk ignores hugepd entries and walk down the tables
> as if it was traditionnal entries, leading to crazy result.
>
> Add walk_hugepd_range() and use it to walk hugepage tables.
More details, please? I assume "crazy result" is userspace visible?
For how long has this bug existed? Is a -stable backport needed? Has
a Fixes: commit been identified? etcetera!
next prev parent reply other threads:[~2021-06-28 1:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-25 5:10 Christophe Leroy
2021-06-28 1:12 ` Andrew Morton [this message]
2021-06-28 5:56 ` Christophe Leroy
2021-06-28 6:03 ` Aneesh Kumar K.V
2021-06-28 6:19 ` Christophe Leroy
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