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Date: Wed, 8 May 2024 12:58:20 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Edward Liaw <edliaw@...gle.com>, shuah@...nel.org,
 Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, Catalin Marinas <catalin.marinas@....com>,
 Will Deacon <will@...nel.org>, Nhat Pham <nphamcs@...il.com>,
 Johannes Weiner <hannes@...xchg.org>, Christian Brauner
 <brauner@...nel.org>, Eric Biederman <ebiederm@...ssion.com>,
 Kees Cook <keescook@...omium.org>,
 OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
 Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 Peter Zijlstra <peterz@...radead.org>, Darren Hart <dvhart@...radead.org>,
 Davidlohr Bueso <dave@...olabs.net>, André Almeida
 <andrealmeid@...lia.com>, Jiri Kosina <jikos@...nel.org>,
 Benjamin Tissoires <bentiss@...nel.org>, Jason Gunthorpe <jgg@...pe.ca>,
 Kevin Tian <kevin.tian@...el.com>, Andy Lutomirski <luto@...capital.net>,
 Will Drewry <wad@...omium.org>, Marc Zyngier <maz@...nel.org>,
 Oliver Upton <oliver.upton@...ux.dev>, James Morse <james.morse@....com>,
 Suzuki K Poulose <suzuki.poulose@....com>, Zenghui Yu
 <yuzenghui@...wei.com>, Paolo Bonzini <pbonzini@...hat.com>,
 Sean Christopherson <seanjc@...gle.com>, Anup Patel <anup@...infault.org>,
 Atish Patra <atishp@...shpatra.org>, Paul Walmsley
 <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>,
 Albert Ou <aou@...s.berkeley.edu>,
 Christian Borntraeger <borntraeger@...ux.ibm.com>,
 Janosch Frank <frankja@...ux.ibm.com>,
 Claudio Imbrenda <imbrenda@...ux.ibm.com>,
 David Hildenbrand <david@...hat.com>, Mickaël Salaün
 <mic@...ikod.net>, Paul Moore <paul@...l-moore.com>,
 James Morris <jmorris@...ei.org>, "Serge E. Hallyn" <serge@...lyn.com>,
 Andrew Morton <akpm@...ux-foundation.org>, Seth Forshee
 <sforshee@...nel.org>, Bongsu Jeon <bongsu.jeon@...sung.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Steffen Klassert <steffen.klassert@...unet.com>,
 Herbert Xu <herbert@...dor.apana.org.au>, Andreas Färber
 <afaerber@...e.de>, Manivannan Sadhasivam
 <manivannan.sadhasivam@...aro.org>, Matthieu Baerts <matttbe@...nel.org>,
 Mat Martineau <martineau@...nel.org>, Geliang Tang <geliang@...nel.org>,
 Willem de Bruijn <willemdebruijn.kernel@...il.com>,
 Fenghua Yu <fenghua.yu@...el.com>,
 Reinette Chatre <reinette.chatre@...el.com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 "Paul E. McKenney" <paulmck@...nel.org>, Boqun Feng <boqun.feng@...il.com>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>,
 Jarkko Sakkinen <jarkko@...nel.org>,
 Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>,
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
 kernel-team@...roid.com, linux-sound@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mm@...ck.org,
 linux-input@...r.kernel.org, iommu@...ts.linux.dev, kvmarm@...ts.linux.dev,
 kvm@...r.kernel.org, kvm-riscv@...ts.infradead.org,
 linux-riscv@...ts.infradead.org, linux-security-module@...r.kernel.org,
 linux-fsdevel@...r.kernel.org, netdev@...r.kernel.org,
 linux-actions@...ts.infradead.org, mptcp@...ts.linux.dev,
 linux-rtc@...r.kernel.org, linux-sgx@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH v2 5/5] selftests: Drop duplicate -D_GNU_SOURCE

On 5/8/24 2:38 AM, Edward Liaw wrote:
> -D_GNU_SOURCE can be de-duplicated here, as it is added by
> KHDR_INCLUDES.
> 
> Signed-off-by: Edward Liaw <edliaw@...gle.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@...labora.com>

> ---
>  tools/testing/selftests/futex/functional/Makefile | 2 +-
>  tools/testing/selftests/iommu/Makefile            | 2 --
>  tools/testing/selftests/net/tcp_ao/Makefile       | 2 +-
>  tools/testing/selftests/resctrl/Makefile          | 2 +-
>  4 files changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile
> index a392d0917b4e..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 := -I../include -I../../ $(KHDR_INCLUDES)
> -CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES) $(KHDR_INCLUDES)
> +CFLAGS := $(CFLAGS) -g -O2 -Wall -pthread $(INCLUDES) $(KHDR_INCLUDES)
>  LDLIBS := -lpthread -lrt
>  
>  LOCAL_HDRS := \
> diff --git a/tools/testing/selftests/iommu/Makefile b/tools/testing/selftests/iommu/Makefile
> index 32c5fdfd0eef..fd6477911f24 100644
> --- a/tools/testing/selftests/iommu/Makefile
> +++ b/tools/testing/selftests/iommu/Makefile
> @@ -2,8 +2,6 @@
>  CFLAGS += -Wall -O2 -Wno-unused-function
>  CFLAGS += $(KHDR_INCLUDES)
>  
> -CFLAGS += -D_GNU_SOURCE
> -
>  TEST_GEN_PROGS :=
>  TEST_GEN_PROGS += iommufd
>  TEST_GEN_PROGS += iommufd_fail_nth
> diff --git a/tools/testing/selftests/net/tcp_ao/Makefile b/tools/testing/selftests/net/tcp_ao/Makefile
> index 522d991e310e..c608b1ec02e6 100644
> --- a/tools/testing/selftests/net/tcp_ao/Makefile
> +++ b/tools/testing/selftests/net/tcp_ao/Makefile
> @@ -26,7 +26,7 @@ LIB	:= $(LIBDIR)/libaotst.a
>  LDLIBS	+= $(LIB) -pthread
>  LIBDEPS	:= lib/aolib.h Makefile
>  
> -CFLAGS	:= -Wall -O2 -g -D_GNU_SOURCE -fno-strict-aliasing
> +CFLAGS	:= -Wall -O2 -g -fno-strict-aliasing
>  CFLAGS	+= $(KHDR_INCLUDES)
>  CFLAGS	+= -iquote ./lib/ -I ../../../../include/
>  
> diff --git a/tools/testing/selftests/resctrl/Makefile b/tools/testing/selftests/resctrl/Makefile
> index 2deac2031de9..5073dbc96125 100644
> --- a/tools/testing/selftests/resctrl/Makefile
> +++ b/tools/testing/selftests/resctrl/Makefile
> @@ -1,6 +1,6 @@
>  # SPDX-License-Identifier: GPL-2.0
>  
> -CFLAGS = -g -Wall -O2 -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE
> +CFLAGS = -g -Wall -O2 -D_FORTIFY_SOURCE=2
>  CFLAGS += $(KHDR_INCLUDES)
>  
>  TEST_GEN_PROGS := resctrl_tests

-- 
BR,
Muhammad Usama Anjum

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