On 20/09/2022 12:39, Naresh Kamboju wrote:

Following build warnings / errors noticed while building arm64 coresight on linux next-20220919 and next-20220920.

Fix is here: https://lists.linaro.org/archives/list/coresight@lists.linaro.org/thread/OS4...

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/build CROSS_COMPILE_COMPAT=arm-linux-gnueabihf- ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- 'CC=sccache aarch64-linux-gnu-gcc' 'HOSTCC=sccache gcc'

drivers/hwtracing/coresight/coresight-etm4x-core.c: In function 'cpu_supports_sysreg_trace': drivers/hwtracing/coresight/coresight-etm4x-core.c:969:26: error: 'ID_AA64DFR0_TRACEVER_SHIFT' undeclared (first use in this function); did you mean 'ID_AA64DFR0_EL1_TraceVer_SHIFT'? 969 | return ((dfr0 >> ID_AA64DFR0_TRACEVER_SHIFT) & 0xfUL) > 0; | ^~~~~~~~~~~~~~~~~~~~~~~~~~ | ID_AA64DFR0_EL1_TraceVer_SHIFT drivers/hwtracing/coresight/coresight-etm4x-core.c:969:26: note: each undeclared identifier is reported only once for each function it appears in drivers/hwtracing/coresight/coresight-etm4x-core.c: In function 'cpu_detect_trace_filtering': drivers/hwtracing/coresight/coresight-etm4x-core.c:1057:57: error: 'ID_AA64DFR0_TRACE_FILT_SHIFT' undeclared (first use in this function); did you mean 'ID_AA64PFR0_EL1_DIT_SHIFT'? 1057 | if (!cpuid_feature_extract_unsigned_field(dfr0, ID_AA64DFR0_TRACE_FILT_SHIFT)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ID_AA64PFR0_EL1_DIT_SHIFT drivers/hwtracing/coresight/coresight-etm4x-core.c: In function 'cpu_supports_sysreg_trace': drivers/hwtracing/coresight/coresight-etm4x-core.c:970:1: error: control reaches end of non-void function [-Werror=return-type] 970 | } | ^ cc1: some warnings being treated as errors

Regressions found on arm64:

• build-clang-13-lkftconfig
• build-gcc-11-lkftconfig-devicetree
• build-gcc-11-lkftconfig-kunit
• build-gcc-11-lkftconfig-perf
• build-gcc-11-lkftconfig-64k_page_size
• build-gcc-11-lkftconfig-debug
• build-gcc-11-lkftconfig-libgpiod
• build-gcc-11-lkftconfig-debug-kmemleak
• build-clang-14-lkftconfig
• build-clang-nightly-lkftconfig
• build-gcc-11-lkftconfig
• build-gcc-11-lkftconfig-kasan
• build-clang-12-lkftconfig
• build-gcc-11-lkftconfig-kselftest-kernel
• build-gcc-11-lkftconfig-rcutorture
• build-gcc-11-lkftconfig-armv8_features
• build-gcc-11-lkftconfig-kselftest

Build: https://builds.tuxbuild.com/2F1cW8NpQ0Z6l9h9rfkZT5AXzqg/ config: https://builds.tuxbuild.com/2F1cW8NpQ0Z6l9h9rfkZT5AXzqg/config

-- Linaro LKFT https://lkft.linaro.org

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