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[2001:1c00:c0c:fe00:fc7e:fd47:85c1:1ab3]) by smtp.gmail.com with ESMTPSA id a9sm7443089wmm.15.2020.02.29.10.12.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 29 Feb 2020 10:12:59 -0800 (PST) Subject: Re: [PATCH resend] x86/purgatory: Make sure we fail the build if purgatory.ro has missing symbols To: kbuild test robot Cc: kbuild-all@lists.01.org, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org References: <20200221165941.508653-1-hdegoede@redhat.com> <202003010150.eyjF3gp0%lkp@intel.com> From: Hans de Goede Message-ID: Date: Sat, 29 Feb 2020 19:12:57 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <202003010150.eyjF3gp0%lkp@intel.com> Content-Type: text/plain; charset=windows-1252; format=flowed 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 Hi, On 2/29/20 6:16 PM, kbuild test robot wrote: > Hi Hans, > > I love your patch! Yet something to improve: > > [auto build test ERROR on tip/x86/core] > [also build test ERROR on v5.6-rc3 next-20200228] > [cannot apply to tip/auto-latest] > [if your patch is applied to the wrong git tree, please drop us a note to help > improve the system. BTW, we also suggest to use '--base' option to specify the > base tree in git format-patch, please see https://stackoverflow.com/a/37406982] > > url: https://github.com/0day-ci/linux/commits/Hans-de-Goede/x86-purgatory-Make-sure-we-fail-the-build-if-purgatory-ro-has-missing-symbols/20200223-040035 > base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 248ed51048c40d36728e70914e38bffd7821da57 > config: x86_64-randconfig-s1-20200229 (attached as .config) > compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > > All errors (new ones prefixed by >>): > > ld: arch/x86/purgatory/purgatory.ro: in function `kstrtoull': >>> (.text+0x2b0e): undefined reference to `ftrace_likely_update' AFAICT this is the patch working as intended and pointing out an actual issue with the purgatory code. Which shows that we really should get this patch merged... Regards, Hans