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Message-ID: <1536072478.12366.2.camel@intel.com>
Subject: Re: [RFC PATCH v3 00/24] Control Flow Enforcement: Shadow Stack
From:   Yu-cheng Yu <yu-cheng.yu@intel.com>
To:     Balbir Singh <bsingharora@gmail.com>
Cc:     x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, linux-kernel@vger.kernel.org,
        linux-doc@vger.kernel.org, linux-mm@kvack.org,
        linux-arch@vger.kernel.org, linux-api@vger.kernel.org,
        Arnd Bergmann <arnd@arndb.de>,
        Andy Lutomirski <luto@amacapital.net>,
        Cyrill Gorcunov <gorcunov@gmail.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Florian Weimer <fweimer@redhat.com>,
        "H.J. Lu" <hjl.tools@gmail.com>, Jann Horn <jannh@google.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Kees Cook <keescook@chromium.org>,
        Mike Kravetz <mike.kravetz@oracle.com>,
        Nadav Amit <nadav.amit@gmail.com>,
        Oleg Nesterov <oleg@redhat.com>, Pavel Machek <pavel@ucw.cz>,
        Peter Zijlstra <peterz@infradead.org>,
        "Ravi V. Shankar" <ravi.v.shankar@intel.com>,
        Vedvyas Shanbhogue <vedvyas.shanbhogue@intel.com>
Date:   Tue, 04 Sep 2018 07:47:58 -0700
In-Reply-To: <20180902081350.GF28695@350D>
References: <20180830143904.3168-1-yu-cheng.yu@intel.com>
         <20180902081350.GF28695@350D>
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On Sun, 2018-09-02 at 18:13 +1000, Balbir Singh wrote:
> On Thu, Aug 30, 2018 at 07:38:40AM -0700, Yu-cheng Yu wrote:
> > 
> > The previous version of CET patches can be found in the following
> > link.
> > 
> >   https://lkml.org/lkml/2018/7/10/1031
> > 
> > Summary of changes from v2:
> > 
> >   Move Shadow Stack page fault handling logic to arch/x86.
> >   Update can_follow_write_pte/pmd; move logic to arch/x86.
> >   Fix problems in WRUSS in-line assembly.
> >   Fix issues in ELF parser.
> >   Split out IBT/PTRACE patches to a second set.
> >   Other small fixes.
> > 
> Quick question -- is there a simulator or some other way you've
> been testing this? Just curious, if it's possible to run these
> patches or just a review and internal hardware/simulator where
> they are run and posted
> 
> Balbir Singh.

Currently only for review.

Yu-cheng