Re: [PATCH] selftests: vDSO: don't include generated headers for chacha test

From: Adhemerval Zanella Netto
Date: Wed Sep 04 2024 - 12:19:41 EST




On 04/09/24 12:58, Jason A. Donenfeld wrote:
> It's not correct to use $(top_srcdir) for generated header files, for
> builds that are done out of tree via O=, and $(objtree) isn't valid in
> the selftests context. Instead, just obviate the need for these
> generated header files by defining empty stubs in tools/include/asm,
> which is the same thing that's done for rwlock.h.
>
> Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>

Works for me, thanks.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@xxxxxxxxxx>

> ---
> tools/include/asm/asm-offsets.h | 0
> tools/include/asm/cpucap-defs.h | 0
> tools/include/asm/sysreg-defs.h | 0
> tools/testing/selftests/vDSO/Makefile | 1 -
> 4 files changed, 1 deletion(-)
> create mode 100644 tools/include/asm/asm-offsets.h
> create mode 100644 tools/include/asm/cpucap-defs.h
> create mode 100644 tools/include/asm/sysreg-defs.h
>
> diff --git a/tools/include/asm/asm-offsets.h b/tools/include/asm/asm-offsets.h
> new file mode 100644
> index 000000000000..e69de29bb2d1
> diff --git a/tools/include/asm/cpucap-defs.h b/tools/include/asm/cpucap-defs.h
> new file mode 100644
> index 000000000000..e69de29bb2d1
> diff --git a/tools/include/asm/sysreg-defs.h b/tools/include/asm/sysreg-defs.h
> new file mode 100644
> index 000000000000..e69de29bb2d1
> diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
> index 3c6fafbd83a6..55038a65fa61 100644
> --- a/tools/testing/selftests/vDSO/Makefile
> +++ b/tools/testing/selftests/vDSO/Makefile
> @@ -40,6 +40,5 @@ $(OUTPUT)/vdso_test_getrandom: CFLAGS += -isystem $(top_srcdir)/tools/include \
> $(OUTPUT)/vdso_test_chacha: $(top_srcdir)/tools/arch/$(SRCARCH)/vdso/vgetrandom-chacha.S
> $(OUTPUT)/vdso_test_chacha: CFLAGS += -idirafter $(top_srcdir)/tools/include \
> -idirafter $(top_srcdir)/arch/$(SRCARCH)/include \
> - -idirafter $(top_srcdir)/arch/$(SRCARCH)/include/generated \
> -idirafter $(top_srcdir)/include \
> -D__ASSEMBLY__ -Wa,--noexecstack