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[24.9.64.241]) by smtp.gmail.com with ESMTPSA id o5sm1983694otp.8.2020.08.31.13.49.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 Aug 2020 13:49:51 -0700 (PDT) Subject: Re: [PATCH] selftests: use "$(MAKE)" instead of "make" for headers_install To: Denys Vlasenko , linux-kernel@vger.kernel.org Cc: Shuah Khan , linux-kselftest@vger.kernel.org, Shuah Khan References: <20200817150946.21477-1-dvlasenk@redhat.com> From: Shuah Khan Message-ID: <8ea61655-c4b3-0fa9-ec70-b63adbbe5c84@linuxfoundation.org> Date: Mon, 31 Aug 2020 14:49:50 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200817150946.21477-1-dvlasenk@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org 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 > CC: Shuah Khan > CC: linux-kselftest@vger.kernel.org > CC: linux-kernel@vger.kernel.org > Signed-off-by: Denys Vlasenko > --- > 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