On Mon, Apr 4, 2022 at 7:57 PM Max Filippov <jcmvbkbc@xxxxxxxxx> wrote: > > Hi Arnd, > > On Mon, Apr 4, 2022 at 6:07 AM Arnd Bergmann <arnd@xxxxxxxx> wrote: > > 1. xtensa nommu has does not compile in mainline and as far as I can > > tell never did > > I have a different picture here. If you look at the logs at > https://kerneltests.org/builders/qemu-xtensa-master/ > > there's a line for noMMU config in every one of them: > Building xtensa:de212:kc705-nommu:nommu_kc705_defconfig ... running > ............ passed > > Please let me know if you observe any specific build/runtime issues. This is what I get: $ make ARCH=xtensa O=build/xtensa nommu_kc705_defconfig vmlinux V=1 .... xtensa-linux-gcc-11.1.0 -DKCONFIG_SEED= -Wp,-MMD,arch/xtensa/kernel/.head.o.d -nostdinc -I/git/arm-soc/arch/xtensa/include -I./arch/xtensa/include/generated -I/git/arm-soc/include -I./include -I/git/arm-soc/arch/xtensa/include/uapi -I./arch/xtensa/include/generated/uapi -I/git/arm-soc/include/uapi -I./include/generated/uapi -include /git/arm-soc/include/linux/compiler-version.h -include /git/arm-soc/include/linux/kconfig.h -D__KERNEL__ -I/git/arm-soc/arch/xtensa/variants/de212/include -I/git/arm-soc/arch/xtensa/platforms/xtfpga/include -fmacro-prefix-map=/git/arm-soc/= -D__ASSEMBLY__ -fno-PIE -mlongcalls -mtext-section-literals -Wa,--fatal-warnings -I /git/arm-soc/arch/xtensa/kernel -I ./arch/xtensa/kernel -c -o arch/xtensa/kernel/head.o /git/arm-soc/arch/xtensa/kernel/head.S /git/arm-soc/arch/xtensa/kernel/head.S: Assembler messages: /git/arm-soc/arch/xtensa/kernel/head.S:87: Error: invalid register 'atomctl' for 'wsr' instruction I think there were other errors in the past, but every time I tried it, the build failed for me. Arnd
