Re: [PATCH] selftests: use "$(MAKE)" instead of "make" for headers_install

[Shuah Khan]

On 8/17/20 9:09 AM, Denys Vlasenko wrote:
> If top make invocation uses -j4 or larger, this patch reduces
> "make headers_install" subtask run time from 30 to 7 seconds.
>
> CC: Shuah Khan <shuah@xxxxxxxxxx>
> CC: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
> CC: linux-kselftest@xxxxxxxxxxxxxxx
> CC: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
> ---
>   tools/testing/selftests/lib.mk | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
> index 7a17ea815736..51124b962d56 100644
> --- a/tools/testing/selftests/lib.mk
> +++ b/tools/testing/selftests/lib.mk
> @@ -47,9 +47,9 @@ ARCH		?= $(SUBARCH)
>   khdr:
>   ifndef KSFT_KHDR_INSTALL_DONE
>   ifeq (1,$(DEFAULT_INSTALL_HDR_PATH))
> -	make --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
> +	$(MAKE) --no-builtin-rules ARCH=$(ARCH) -C $(top_srcdir) headers_install
>   else
> -	make --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
> +	$(MAKE) --no-builtin-rules INSTALL_HDR_PATH=$$OUTPUT/usr \
>   		ARCH=$(ARCH) -C $(top_srcdir) headers_install
>   endif
>   endif

Thanks for the patch. Applied to linux-kselftest next for 5.10

thanks,
-- Shuah