linux-kernel - Re: [RFC PATCH 2/5] selftest/x86: Enable CET for selftests/x86

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Message-ID: <b97aeac13967cfad5d6a962d29a87215c77996e8.camel@intel.com>
Date:   Thu, 21 May 2020 15:58:11 -0700
From:   Yu-cheng Yu <yu-cheng.yu@...el.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-mm@...ck.org,
        linux-arch@...r.kernel.org, linux-api@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>,
        Andy Lutomirski <luto@...nel.org>,
        Balbir Singh <bsingharora@...il.com>,
        Borislav Petkov <bp@...en8.de>,
        Cyrill Gorcunov <gorcunov@...il.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Eugene Syromiatnikov <esyr@...hat.com>,
        Florian Weimer <fweimer@...hat.com>,
        "H.J. Lu" <hjl.tools@...il.com>, Jann Horn <jannh@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Nadav Amit <nadav.amit@...il.com>,
        Oleg Nesterov <oleg@...hat.com>, Pavel Machek <pavel@....cz>,
        Peter Zijlstra <peterz@...radead.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Vedvyas Shanbhogue <vedvyas.shanbhogue@...el.com>,
        Dave Martin <Dave.Martin@....com>,
        Weijiang Yang <weijiang.yang@...el.com>
Subject: Re: [RFC PATCH 2/5] selftest/x86: Enable CET for selftests/x86

On Thu, 2020-05-21 at 15:44 -0700, Kees Cook wrote:
> On Thu, May 21, 2020 at 02:17:17PM -0700, Yu-cheng Yu wrote:
> > To build CET-enabled applications, GCC needs to support '-fcf-protection'.
> > Update x86 selftest makefile to detect and enable CET for x86 selftest
> > applications.
> > 
> > Signed-off-by: Yu-cheng Yu <yu-cheng.yu@...el.com>
> 
> Reviewed-by: Kees Cook <keescook@...omium.org>

Thanks!  I will fix issues you pointed out in the series.

Yu-cheng