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
>
> 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
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