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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use the more common "#define _GNU_SOURCE" instead of defining it to 1. This will prevent redefinition warnings when -D_GNU_SOURCE=3D is set. Signed-off-by: Edward Liaw --- tools/testing/selftests/mm/thuge-gen.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/thuge-gen.c b/tools/testing/selftes= ts/mm/thuge-gen.c index d50dc71cac32..e4370b79b62f 100644 --- a/tools/testing/selftests/mm/thuge-gen.c +++ b/tools/testing/selftests/mm/thuge-gen.c @@ -13,7 +13,7 @@ sudo ipcs | awk '$1 =3D=3D "0x00000000" {print $2}' | xargs -n1 sudo ip= crm -m (warning this will remove all if someone else uses them) */ =20 -#define _GNU_SOURCE 1 +#define _GNU_SOURCE #include #include #include --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9F7961A38E1 for ; Mon, 24 Jun 2024 23:29:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Mon, 24 Jun 2024 16:29:06 -0700 (PDT) Date: Mon, 24 Jun 2024 23:26:11 +0000 In-Reply-To: <20240624232718.1154427-1-edliaw@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240624232718.1154427-1-edliaw@google.com> X-Mailer: git-send-email 2.45.2.741.gdbec12cfda-goog Message-ID: <20240624232718.1154427-3-edliaw@google.com> Subject: [PATCH v6 02/13] selftests: Add -D_GNU_SOURCE= to CFLAGS in lib.mk From: Edward Liaw To: linux-kselftest@vger.kernel.org, Eric Biederman , Kees Cook , Shuah Khan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Jason Gunthorpe , Kevin Tian , Paolo Bonzini , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org, John Hubbard Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Centralizes the _GNU_SOURCE definition to CFLAGS in lib.mk. This uses the form "-D_GNU_SOURCE=3D", which is equivalent to "#define _GNU_SOURCE". Otherwise using "-D_GNU_SOURCE" is equivalent to "-D_GNU_SOURCE=3D1" and "#define _GNU_SOURCE 1", which is less commonly seen in source code and would require many changes in selftests to avoid redefinition warnings. Suggested-by: John Hubbard Signed-off-by: Edward Liaw --- tools/testing/selftests/lib.mk | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 7b299ed5ff45..d6edcfcb5be8 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -196,6 +196,9 @@ endef clean: $(if $(TEST_GEN_MODS_DIR),clean_mods_dir) $(CLEAN) =20 +# Build with _GNU_SOURCE by default +CFLAGS +=3D -D_GNU_SOURCE=3D + # Enables to extend CFLAGS and LDFLAGS from command line, e.g. # make USERCFLAGS=3D-Werror USERLDFLAGS=3D-static CFLAGS +=3D $(USERCFLAGS) --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5FC011A2C2B for ; Mon, 24 Jun 2024 23:29:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Mon, 24 Jun 2024 16:29:12 -0700 (PDT) Date: Mon, 24 Jun 2024 23:26:12 +0000 In-Reply-To: <20240624232718.1154427-1-edliaw@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240624232718.1154427-1-edliaw@google.com> X-Mailer: git-send-email 2.45.2.741.gdbec12cfda-goog Message-ID: <20240624232718.1154427-4-edliaw@google.com> Subject: [PATCH v6 03/13] selftests/net: Append to lib.mk CFLAGS in Makefile From: Edward Liaw To: linux-kselftest@vger.kernel.org, Eric Biederman , Kees Cook , Shuah Khan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Jason Gunthorpe , Kevin Tian , Paolo Bonzini , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Instead of overwriting the CFLAGS imported from lib.mk, append instead instead. Also drop -D_GNU_SOURCE from CFLAGS to prevent redefinition warning. Signed-off-by: Edward Liaw --- tools/testing/selftests/net/Makefile | 2 +- tools/testing/selftests/net/tcp_ao/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests= /net/Makefile index bc3925200637..8eaffd7a641c 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 # Makefile for net selftests =20 -CFLAGS =3D -Wall -Wl,--no-as-needed -O2 -g +CFLAGS +=3D -Wall -Wl,--no-as-needed -O2 -g CFLAGS +=3D -I../../../../usr/include/ $(KHDR_INCLUDES) # Additional include paths needed by kselftest.h CFLAGS +=3D -I../ diff --git a/tools/testing/selftests/net/tcp_ao/Makefile b/tools/testing/se= lftests/net/tcp_ao/Makefile index 522d991e310e..bd88b90b902b 100644 --- a/tools/testing/selftests/net/tcp_ao/Makefile +++ b/tools/testing/selftests/net/tcp_ao/Makefile @@ -26,7 +26,7 @@ LIB :=3D $(LIBDIR)/libaotst.a LDLIBS +=3D $(LIB) -pthread LIBDEPS :=3D lib/aolib.h Makefile =20 -CFLAGS :=3D -Wall -O2 -g -D_GNU_SOURCE -fno-strict-aliasing +CFLAGS +=3D -Wall -O2 -g -fno-strict-aliasing CFLAGS +=3D $(KHDR_INCLUDES) CFLAGS +=3D -iquote ./lib/ -I ../../../../include/ =20 --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D3F641AB501 for ; 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Mon, 24 Jun 2024 16:29:17 -0700 (PDT) Date: Mon, 24 Jun 2024 23:26:13 +0000 In-Reply-To: <20240624232718.1154427-1-edliaw@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240624232718.1154427-1-edliaw@google.com> X-Mailer: git-send-email 2.45.2.741.gdbec12cfda-goog Message-ID: <20240624232718.1154427-5-edliaw@google.com> Subject: [PATCH v6 04/13] selftests/exec: Drop redundant -D_GNU_SOURCE CFLAGS in Makefile From: Edward Liaw To: linux-kselftest@vger.kernel.org, Eric Biederman , Kees Cook , Shuah Khan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Jason Gunthorpe , Kevin Tian , Paolo Bonzini , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw --- tools/testing/selftests/exec/Makefile | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftest= s/exec/Makefile index ab67d58cfab7..ba012bc5aab9 100644 --- a/tools/testing/selftests/exec/Makefile +++ b/tools/testing/selftests/exec/Makefile @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 CFLAGS =3D -Wall CFLAGS +=3D -Wno-nonnull -CFLAGS +=3D -D_GNU_SOURCE =20 ALIGNS :=3D 0x1000 0x200000 0x1000000 ALIGN_PIES :=3D $(patsubst %,load_address.%,$(ALIGNS)) --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 393701AB913 for ; Mon, 24 Jun 2024 23:29:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal: i=1; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw --- tools/testing/selftests/futex/functional/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/test= ing/selftests/futex/functional/Makefile index 994fa3468f17..f79f9bac7918 100644 --- a/tools/testing/selftests/futex/functional/Makefile +++ b/tools/testing/selftests/futex/functional/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 INCLUDES :=3D -I../include -I../../ $(KHDR_INCLUDES) -CFLAGS :=3D $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE=3D -pthread $(INCLUDES) $= (KHDR_INCLUDES) +CFLAGS :=3D $(CFLAGS) -g -O2 -Wall -pthread $(INCLUDES) $(KHDR_INCLUDES) LDLIBS :=3D -lpthread -lrt =20 LOCAL_HDRS :=3D \ --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1DECA1AB913 for ; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw --- tools/testing/selftests/intel_pstate/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/intel_pstate/Makefile b/tools/testing/= selftests/intel_pstate/Makefile index 05d66ef50c97..f45372cb00fe 100644 --- a/tools/testing/selftests/intel_pstate/Makefile +++ b/tools/testing/selftests/intel_pstate/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -CFLAGS :=3D $(CFLAGS) -Wall -D_GNU_SOURCE +CFLAGS :=3D $(CFLAGS) -Wall LDLIBS +=3D -lm =20 ARCH ?=3D $(shell uname -m 2>/dev/null || echo not) --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A87651A2FCB for ; Mon, 24 Jun 2024 23:29:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal: i=1; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw --- tools/testing/selftests/iommu/Makefile | 2 -- 1 file changed, 2 deletions(-) diff --git a/tools/testing/selftests/iommu/Makefile b/tools/testing/selftes= ts/iommu/Makefile index 32c5fdfd0eef..fd6477911f24 100644 --- a/tools/testing/selftests/iommu/Makefile +++ b/tools/testing/selftests/iommu/Makefile @@ -2,8 +2,6 @@ CFLAGS +=3D -Wall -O2 -Wno-unused-function CFLAGS +=3D $(KHDR_INCLUDES) =20 -CFLAGS +=3D -D_GNU_SOURCE - TEST_GEN_PROGS :=3D TEST_GEN_PROGS +=3D iommufd TEST_GEN_PROGS +=3D iommufd_fail_nth --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8441F1B14F8 for ; Mon, 24 Jun 2024 23:29:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal: i=1; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw --- tools/testing/selftests/kvm/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests= /kvm/Makefile index ac280dcba996..4ee37abf70ff 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -231,7 +231,7 @@ LINUX_TOOL_ARCH_INCLUDE =3D $(top_srcdir)/tools/arch/$(= ARCH)/include endif CFLAGS +=3D -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=3Dgnu99 \ -Wno-gnu-variable-sized-type-not-at-end -MD -MP -DCONFIG_64BIT \ - -D_GNU_SOURCE -fno-builtin-memcmp -fno-builtin-memcpy \ + -fno-builtin-memcmp -fno-builtin-memcpy \ -fno-builtin-memset -fno-builtin-strnlen \ -fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE) \ -I$(LINUX_TOOL_ARCH_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude \ --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 06B341B3F16 for ; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. 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Mon, 24 Jun 2024 16:29:51 -0700 (PDT) Date: Mon, 24 Jun 2024 23:26:19 +0000 In-Reply-To: <20240624232718.1154427-1-edliaw@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240624232718.1154427-1-edliaw@google.com> X-Mailer: git-send-email 2.45.2.741.gdbec12cfda-goog Message-ID: <20240624232718.1154427-11-edliaw@google.com> Subject: [PATCH v6 10/13] selftests/resctrl: Drop redundant -D_GNU_SOURCE CFLAGS in Makefile From: Edward Liaw To: linux-kselftest@vger.kernel.org, Eric Biederman , Kees Cook , Shuah Khan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Jason Gunthorpe , Kevin Tian , Paolo Bonzini , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw --- tools/testing/selftests/resctrl/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/resctrl/Makefile b/tools/testing/selft= ests/resctrl/Makefile index 021863f86053..f408bd6bfc3d 100644 --- a/tools/testing/selftests/resctrl/Makefile +++ b/tools/testing/selftests/resctrl/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 =20 -CFLAGS =3D -g -Wall -O2 -D_FORTIFY_SOURCE=3D2 -D_GNU_SOURCE +CFLAGS =3D -g -Wall -O2 -D_FORTIFY_SOURCE=3D2 CFLAGS +=3D $(KHDR_INCLUDES) =20 TEST_GEN_PROGS :=3D resctrl_tests --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 051791BA097 for ; Mon, 24 Jun 2024 23:29:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Mon, 24 Jun 2024 16:29:57 -0700 (PDT) Date: Mon, 24 Jun 2024 23:26:20 +0000 In-Reply-To: <20240624232718.1154427-1-edliaw@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240624232718.1154427-1-edliaw@google.com> X-Mailer: git-send-email 2.45.2.741.gdbec12cfda-goog Message-ID: <20240624232718.1154427-12-edliaw@google.com> Subject: [PATCH v6 11/13] selftests/ring-buffer: Drop redundant -D_GNU_SOURCE CFLAGS in Makefile From: Edward Liaw To: linux-kselftest@vger.kernel.org, Eric Biederman , Kees Cook , Shuah Khan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Jason Gunthorpe , Kevin Tian , Paolo Bonzini , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw --- tools/testing/selftests/ring-buffer/Makefile | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/ring-buffer/Makefile b/tools/testing/s= elftests/ring-buffer/Makefile index 627c5fa6d1ab..23605782639e 100644 --- a/tools/testing/selftests/ring-buffer/Makefile +++ b/tools/testing/selftests/ring-buffer/Makefile @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 CFLAGS +=3D -Wl,-no-as-needed -Wall CFLAGS +=3D $(KHDR_INCLUDES) -CFLAGS +=3D -D_GNU_SOURCE =20 TEST_GEN_PROGS =3D map_test =20 --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 367981BBBDE for ; Mon, 24 Jun 2024 23:30:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.201 ARC-Seal: i=1; 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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" -D_GNU_SOURCE=3D will be provided by lib.mk CFLAGS, so -D_GNU_SOURCE should be dropped to prevent redefinition warnings. Signed-off-by: Edward Liaw --- tools/testing/selftests/riscv/mm/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/riscv/mm/Makefile b/tools/testing/self= tests/riscv/mm/Makefile index c333263f2b27..4664ed79e20b 100644 --- a/tools/testing/selftests/riscv/mm/Makefile +++ b/tools/testing/selftests/riscv/mm/Makefile @@ -3,7 +3,7 @@ # Originally tools/testing/arm64/abi/Makefile =20 # Additional include paths needed by kselftest.h and local headers -CFLAGS +=3D -D_GNU_SOURCE -std=3Dgnu99 -I. +CFLAGS +=3D -std=3Dgnu99 -I. =20 TEST_GEN_FILES :=3D mmap_default mmap_bottomup =20 --=20 2.45.2.741.gdbec12cfda-goog From nobody Tue Dec 16 23:08:46 2025 Received: from mail-pg1-f201.google.com (mail-pg1-f201.google.com [209.85.215.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C93E71A38F5 for ; Mon, 24 Jun 2024 23:30:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Mon, 24 Jun 2024 16:30:08 -0700 (PDT) Date: Mon, 24 Jun 2024 23:26:22 +0000 In-Reply-To: <20240624232718.1154427-1-edliaw@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240624232718.1154427-1-edliaw@google.com> X-Mailer: git-send-email 2.45.2.741.gdbec12cfda-goog Message-ID: <20240624232718.1154427-14-edliaw@google.com> Subject: [PATCH v6 13/13] selftests/sgx: Append CFLAGS from lib.mk to HOST_CFLAGS From: Edward Liaw To: linux-kselftest@vger.kernel.org, Eric Biederman , Kees Cook , Shuah Khan , Thomas Gleixner , Ingo Molnar , Peter Zijlstra , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Jason Gunthorpe , Kevin Tian , Paolo Bonzini , Andrew Morton , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Fenghua Yu , Reinette Chatre , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jarkko Sakkinen , Dave Hansen Cc: linux-kernel@vger.kernel.org, usama.anjum@collabora.com, seanjc@google.com, kernel-team@android.com, Edward Liaw , linux-mm@kvack.org, iommu@lists.linux.dev, kvm@vger.kernel.org, netdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sgx@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" lib.mk CFLAGS provides -D_GNU_SOURCE=3D which is needed to compile the host files. Signed-off-by: Edward Liaw --- tools/testing/selftests/sgx/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/sgx/Makefile b/tools/testing/selftests= /sgx/Makefile index 867f88ce2570..03b5e13b872b 100644 --- a/tools/testing/selftests/sgx/Makefile +++ b/tools/testing/selftests/sgx/Makefile @@ -12,7 +12,7 @@ OBJCOPY :=3D $(CROSS_COMPILE)objcopy endif =20 INCLUDES :=3D -I$(top_srcdir)/tools/include -HOST_CFLAGS :=3D -Wall -Werror -g $(INCLUDES) -fPIC +HOST_CFLAGS :=3D -Wall -Werror -g $(INCLUDES) -fPIC $(CFLAGS) HOST_LDFLAGS :=3D -z noexecstack -lcrypto ENCL_CFLAGS +=3D -Wall -Werror -static-pie -nostdlib -ffreestanding -fPIE \ -fno-stack-protector -mrdrnd $(INCLUDES) --=20 2.45.2.741.gdbec12cfda-goog