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[77.6.186.145]) by smtp.gmail.com with ESMTPSA id b18sm7265935wrr.43.2018.12.08.05.12.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 08 Dec 2018 05:12:33 -0800 (PST) Subject: Re: [PATCH] x86/retpoline: Fix forcing me to update my compiler To: Borislav Petkov Cc: Thomas Gleixner , Ingo Molnar , Zhenzhong Duan , "H . Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20181208123816.22952-1-k.marinushkin@gmail.com> <20181208124240.GE30399@zn.tnic> From: Kirill Marinushkin Message-ID: <7d8aa04f-9611-fb69-b11c-21ebcf4580fd@gmail.com> Date: Sat, 8 Dec 2018 14:14:47 +0100 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <20181208124240.GE30399@zn.tnic> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> First problem: I cannot compile the kernel with my version of compiler >> Second problem: when I disable the feature - it cannot take effect, >> because the parse-time error happens before `syncconfig` On 12/08/18 13:42, Borislav Petkov wrote: > Does this help? > > https://git.kernel.org/tip/25896d073d8a0403b07e6dec56f58e6c33678207 > The patch which you mentioned fixes the second problem: now I can disable CONFIG_RETPOLINE. But, the first problem is still here: with defconfig and gcc v6.4.0, kernel doesn't build, with this message: ~~~~ $ make scripts/kconfig/conf --syncconfig Kconfig You are building kernel with non-retpoline compiler. Please update your compiler. make: *** [arch/x86/Makefile:311: checkbin] Error 1 ~~~~ I don't think that this is a proper behavior. I suggest to allow compilation Best Regards, Kirill