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Thu, 18 Apr 2024 02:38:08 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Naresh Kamboju Date: Thu, 18 Apr 2024 15:07:57 +0530 Message-ID: Subject: selftests: resctrl: cat_test.c: In function 'noncont_cat_run_test': ../kselftest.h:74:9: error: impossible constraint in 'asm' 74 | __asm__ __volatile__ ("cpuid\n\t" To: open list , "open list:KERNEL SELFTEST FRAMEWORK" , lkft-triage@lists.linaro.org, Linux Regressions Cc: Fenghua Yu , Reinette Chatre , Shuah Khan , Anders Roxell , Arnd Bergmann , Dan Carpenter Content-Type: text/plain; charset="UTF-8" The Linux next building selftests with gcc-13 found these build warnings and errors. Reported-by: Linux Kernel Functional Testing Build log: --------- Path: selftests/resctrl/resctrl_tests/ In file included from resctrl.h:24, from cat_test.c:11: cat_test.c: In function 'noncont_cat_run_test': ./kselftest.h:74:9: error: impossible constraint in 'asm' 74 | __asm__ __volatile__ ("cpuid\n\t" \ | ^~~~~~~ cat_test.c:308:17: note: in expansion of macro '__cpuid_count' 308 | __cpuid_count(0x10, 1, eax, ebx, ecx, edx); | ^~~~~~~~~~~~~ ./kselftest.h:74:9: error: impossible constraint in 'asm' 74 | __asm__ __volatile__ ("cpuid\n\t" \ | ^~~~~~~ cat_test.c:310:17: note: in expansion of macro '__cpuid_count' 310 | __cpuid_count(0x10, 2, eax, ebx, ecx, edx); | ^~~~~~~~~~~~~ Steps to reproduce: --- tuxmake --runtime podman --target-arch arm64 --toolchain gcc-13 \ --kconfig https://storage.tuxsuite.com/public/linaro/lkft/builds/2fDW3wG8BqWxf0afUI5f4wkArPi/config \ debugkernel dtbs dtbs-legacy headers kernel kselftest modules Links: - https://storage.tuxsuite.com/public/linaro/lkft/builds/2fDW3wG8BqWxf0afUI5f4wkArPi/ -- Linaro LKFT https://lkft.linaro.org