linux-kernel - Re: [PATCH v2] selftests/sgx: add test_encl.elf to TEST_GEN

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Date:   Thu, 26 May 2022 03:39:39 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Shuah Khan <shuah@...nel.org>, dave.hansen@...ux.intel.com
Cc:     stable@...r.kernel.org, Dave Hansen <dave.hansen@...ux.intel.com>,
        Jethro Beekman <jethro@...tanix.com>,
        Borislav Petkov <bp@...e.de>, linux-sgx@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] selftests/sgx: add test_encl.elf to TEST_GEN_FILES

On Mon, May 23, 2022 at 09:11:20PM +0300, Jarkko Sakkinen wrote:
> TEST_GEN_FILES contains files that are generated during compilation and are
> required to be included together with the test binaries, e.g. when
> performing:
> 
> make -C tools/testing/selftests install INSTALL_PATH=/some/other/path [*]
> 
> Add test_encl.elf to TEST_GEN_FILES because otherwise the installed test
> binary will fail to run.
> 
> [*] https://docs.kernel.org/dev-tools/kselftest.html
> 
> Cc: stable@...r.kernel.org
> Fixes: 2adcba79e69d ("selftests/x86: Add a selftest for SGX")
> Signed-off-by: Jarkko Sakkinen <jarkko@...nel.org>
> ---
> v2:
> Use TEST_GEN_FILES in the "all" target, instead of duplicating the path for
> test_encl.elf.
> ---
>  tools/testing/selftests/sgx/Makefile | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/sgx/Makefile b/tools/testing/selftests/sgx/Makefile
> index 75af864e07b6..7f60811b5b20 100644
> --- a/tools/testing/selftests/sgx/Makefile
> +++ b/tools/testing/selftests/sgx/Makefile
> @@ -17,9 +17,10 @@ ENCL_CFLAGS := -Wall -Werror -static -nostdlib -nostartfiles -fPIC \
>  	       -fno-stack-protector -mrdrnd $(INCLUDES)
>  
>  TEST_CUSTOM_PROGS := $(OUTPUT)/test_sgx
> +TEST_GEN_FILES := $(OUTPUT)/test_encl.elf
>  
>  ifeq ($(CAN_BUILD_X86_64), 1)
> -all: $(TEST_CUSTOM_PROGS) $(OUTPUT)/test_encl.elf
> +all: $(TEST_CUSTOM_PROGS) $(TEST_GEN_FILES)
>  endif
>  
>  $(OUTPUT)/test_sgx: $(OUTPUT)/main.o \
> -- 
> 2.36.1
> 

Dave, would it be by any means possible to pick this? My workload is
kernel testing with buildroot [*].

[*] Related:
    https://lore.kernel.org/buildroot/2c42570b01b2b51cc33d6623b25a736e4f20c601.camel@iki.fi/T/#t

BR, Jarkko