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Message-ID: <4e573601-dd5e-1fdf-da3a-df438e5b967d@huawei.com>
Date: Tue, 13 Nov 2018 21:03:07 +0200
From: Igor Stoppa <igor.stoppa@...wei.com>
To: Andy Lutomirski <luto@...nel.org>
CC: Nadav Amit <nadav.amit@...il.com>, Igor Stoppa <igor.stoppa@...il.com>,
Kees Cook <keescook@...omium.org>, Peter Zijlstra <peterz@...radead.org>,
Mimi Zohar <zohar@...ux.vnet.ibm.com>, Matthew Wilcox <willy@...radead.org>,
Dave Chinner <david@...morbit.com>, James Morris <jmorris@...ei.org>,
"Michal Hocko" <mhocko@...nel.org>, Kernel Hardening
<kernel-hardening@...ts.openwall.com>, linux-integrity
<linux-integrity@...r.kernel.org>, LSM List
<linux-security-module@...r.kernel.org>, Dave Hansen
<dave.hansen@...ux.intel.com>, Jonathan Corbet <corbet@....net>, Laura Abbott
<labbott@...hat.com>, Randy Dunlap <rdunlap@...radead.org>, Mike Rapoport
<rppt@...ux.vnet.ibm.com>, "open list:DOCUMENTATION"
<linux-doc@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, "Thomas
Gleixner" <tglx@...utronix.de>
Subject: Re: [PATCH 10/17] prmem: documentation
On 13/11/2018 20:36, Andy Lutomirski wrote:
> On Tue, Nov 13, 2018 at 10:33 AM Igor Stoppa <igor.stoppa@...wei.com> wrote:
[...]
>> Unless the secondary mapping is also available to other cores, through
>> the shared mm_struct ?
>>
>
> I don't think this matters much. The other cores will only be able to
> use that mapping when they're doing a rare write.
Which has now been promoted to target for attacks :-)
--
igor
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