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Message-ID: <1528402695.5265.24.camel@2b52.sc.intel.com>
Subject: Re: [PATCH 08/10] mm: Prevent mremap of shadow stack
From: Yu-cheng Yu <yu-cheng.yu@intel.com>
Date: Thu, 07 Jun 2018 13:18:15 -0700
In-Reply-To: <CALCETrVX8nE6oFnJH7yZCydxtnC-VAhhnYs=ekJELc07a2UKiQ@mail.gmail.com>
References: <20180607143807.3611-1-yu-cheng.yu@intel.com>
	 <20180607143807.3611-9-yu-cheng.yu@intel.com>
	 <CALCETrVX8nE6oFnJH7yZCydxtnC-VAhhnYs=ekJELc07a2UKiQ@mail.gmail.com>
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To: Andy Lutomirski <luto@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>, linux-doc@vger.kernel.org, Linux-MM <linux-mm@kvack.org>, linux-arch <linux-arch@vger.kernel.org>, X86 ML <x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. J. Lu" <hjl.tools@gmail.com>, "Shanbhogue, Vedvyas" <vedvyas.shanbhogue@intel.com>, "Ravi V. Shankar" <ravi.v.shankar@intel.com>, Dave Hansen <dave.hansen@linux.intel.com>, Jonathan Corbet <corbet@lwn.net>, Oleg Nesterov <oleg@redhat.com>, Arnd Bergmann <arnd@arndb.de>, mike.kravetz@oracle.com

On Thu, 2018-06-07 at 11:48 -0700, Andy Lutomirski wrote:
> On Thu, Jun 7, 2018 at 7:41 AM Yu-cheng Yu <yu-cheng.yu@intel.com> wrote:
> >
> > Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>
> 
> Please justify.  This seems actively harmful to me.

I will remove this patch.