On 3/25/24 23:39, Naresh Kamboju wrote: > The following arc defconfig build warnings / errors noticed on today's > Linux next-20240326 tag. > > Regressions: > * arc - defconfig - gcc-9 build failed. > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > Build log: > --------- > arch/arc/kernel/ptrace.c:342:16: warning: no previous prototype for > 'syscall_trace_enter' [-Wmissing-prototypes] > 342 | asmlinkage int syscall_trace_enter(struct pt_regs *regs) > | ^~~~~~~~~~~~~~~~~~~ > arch/arc/kernel/kprobes.c:193:15: warning: no previous prototype for > 'arc_kprobe_handler' [-Wmissing-prototypes] > 193 | int __kprobes arc_kprobe_handler(unsigned long addr, struct > pt_regs *regs) > | ^~~~~~~~~~~~~~~~~~ > In file included from arch/arc/include/asm/mmu.h:21, > from arch/arc/include/asm/pgtable.h:14, > from include/linux/pgtable.h:6, > from include/asm-generic/io.h:1047, > from arch/arc/include/asm/io.h:232, > from include/linux/io.h:13, > from kernel/dma/coherent.c:6: > arch/arc/include/asm/mmu-arcv2.h: In function 'mmu_setup_asid': > arch/arc/include/asm/mmu-arcv2.h:82:2: error: implicit declaration of > function 'write_aux_reg' [-Werror=implicit-function-declaration] > 82 | write_aux_reg(ARC_REG_PID, asid | MMU_ENABLE); > | ^~~~~~~~~~~~~ > cc1: some warnings being treated as errors Thx for the report. Fix posted for first 2 warnings [1] I can't reproduce the last warning about write_aux_reg() despite using the config from 3rd link below. -Vineet [1] http://lists.infradead.org/pipermail/linux-snps-arc/2024-March/007916.html > > Steps to reproduce: > ------- > # tuxmake --runtime podman --target-arch arc --toolchain gcc-9 > --kconfig defconfig > > > Links: > - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240325/testrun/23149630/suite/build/test/gcc-9-defconfig/log > - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240325/testrun/23149630/suite/build/test/gcc-9-defconfig/history/ > - https://storage.tuxsuite.com/public/linaro/lkft/builds/2eA2VSZdDsL0DMBBhjoauN9IVoK/ > > -- > Linaro LKFT > https://lkft.linaro.org
