[next] riscv: Linux next-20220404 riscv defconfig builds failed.

[Nathan Chancellor]

On Mon, Apr 04, 2022 at 03:28:41PM +0530, Naresh Kamboju wrote:
> Linux next-20220404 riscv defconfig builds failed.
> 
> Regressions found on riscv:
>    - riscv-riscv-clang-14-defconfig
>    - riscv-riscv-gcc-10-defconfig
>    - riscv-riscv-clang-13-defconfig
>    - riscv-riscv-clang-12-defconfig
>    - riscv-riscv-clang-11-defconfig
>    - riscv-riscv-gcc-11-defconfig
>    - riscv-riscv-gcc-8-defconfig
>    - riscv-riscv-gcc-9-defconfig
>    - riscv-riscv-clang-nightly-defconfig
> 
> 
> arch/riscv/kernel/compat_signal.c:7:10: fatal error:
> linux/tracehook.h: No such file or directory
>   7 | #include <linux/tracehook.h>
>     |          ^~~~~~~~~~~~~~~~~~~
> compilation terminated.
> make[3]: *** [scripts/Makefile.build:289:
> arch/riscv/kernel/compat_signal.o] Error 1

For what it's worth, I also see:

$ make -skj"$(nproc)" ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- defconfig all
arch/riscv/kernel/compat_vdso/compat_vdso.lds.S:3:10: fatal error: ../vdso/vdso.lds.S: No such file or directory
    3 | #include <../vdso/vdso.lds.S>
      |          ^~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [scripts/Makefile.build:462: arch/riscv/kernel/compat_vdso/compat_vdso.lds] Error 1
arch/riscv/kernel/compat_vdso/rt_sigreturn.S:3:10: fatal error: ../vdso/rt_sigreturn.S: No such file or directory
    3 | #include <../vdso/rt_sigreturn.S>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
arch/riscv/kernel/compat_vdso/note.S:3:10: fatal error: ../vdso/note.S: No such file or directory
    3 | #include <../vdso/note.S>
      |          ^~~~~~~~~~~~~~~~
compilation terminated.
arch/riscv/kernel/compat_vdso/getcpu.S:3:10: fatal error: ../vdso/getcpu.S: No such file or directory
    3 | #include <../vdso/getcpu.S>
      |          ^~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [arch/riscv/kernel/compat_vdso/Makefile:43: arch/riscv/kernel/compat_vdso/rt_sigreturn.o] Error 1
make[2]: *** [arch/riscv/kernel/compat_vdso/Makefile:43: arch/riscv/kernel/compat_vdso/note.o] Error 1
make[2]: *** [arch/riscv/kernel/compat_vdso/Makefile:43: arch/riscv/kernel/compat_vdso/getcpu.o] Error 1
arch/riscv/kernel/compat_vdso/flush_icache.S:3:10: fatal error: ../vdso/flush_icache.S: No such file or directory
    3 | #include <../vdso/flush_icache.S>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [arch/riscv/kernel/compat_vdso/Makefile:43: arch/riscv/kernel/compat_vdso/flush_icache.o] Error 1

I am guessing this code was never tested with $(srctree) == $(objtree).

Cheers,
Nathan