Following build errors noticed on Linux next-20231204 tag with clang-nightly for arm and arm64.
## Test Regressions (compared to next-20231201) * arm64, build - clang-nightly-defconfig - clang-nightly-defconfig-40bc7ee5 - clang-nightly-lkftconfig - clang-nightly-lkftconfig-kselftest
* arm, build - clang-nightly-allnoconfig - clang-nightly-axm55xx_defconfig - clang-nightly-bcm2835_defconfig - clang-nightly-clps711x_defconfig - clang-nightly-defconfig - clang-nightly-exynos_defconfig - clang-nightly-imx_v6_v7_defconfig - clang-nightly-keystone_defconfig - clang-nightly-lkftconfig - clang-nightly-lkftconfig-kselftest - clang-nightly-omap2plus_defconfig - clang-nightly-pxa910_defconfig - clang-nightly-s3c6400_defconfig - clang-nightly-s5pv210_defconfig - clang-nightly-sama5_defconfig - clang-nightly-shmobile_defconfig - clang-nightly-tinyconfig - clang-nightly-u8500_defconfig - clang-nightly-vexpress_defconfig
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
Build log on arm64: --------- In file included from lib/vdso/gettimeofday.c:5: In file included from include/vdso/datapage.h:135: arch/arm64/include/asm/vdso/compat_gettimeofday.h:152:15: error: instruction variant requires ARMv6 or later 152 | asm volatile("mov %0, %1" : "=r"(ret) : "r"(_vdso_data)); | ^ <inline asm>:1:2: note: instantiated into assembly here 1 | mov r4, r1 | ^ In file included from <built-in>:3: lib/vdso/gettimeofday.c:139:3: error: invalid instruction 139 | smp_rmb(); | ^
Build log on arm: --------- In file included from arch/arm/vfp/vfpmodule.c:23: arch/arm/include/asm/cp15.h:101:2: error: instruction requires: data-barriers 101 | isb(); | ^
Links: arm64 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20231204/tes...
arm - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20231204/tes... - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20231204/tes...
-- Linaro LKFT https://lkft.linaro.org