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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id 196sm5311016pfx.105.2020.05.21.15.44.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 May 2020 15:44:36 -0700 (PDT) Date: Thu, 21 May 2020 15:44:35 -0700 From: Kees Cook To: Yu-cheng Yu Cc: x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , 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 , Andy Lutomirski , Balbir Singh , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue , Dave Martin , Weijiang Yang Subject: Re: [RFC PATCH 2/5] selftest/x86: Enable CET for selftests/x86 Message-ID: <202005211544.26CD475832@keescook> References: <20200521211720.20236-1-yu-cheng.yu@intel.com> <20200521211720.20236-3-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200521211720.20236-3-yu-cheng.yu@intel.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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 Reviewed-by: Kees Cook -- Kees Cook