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[212.8.243.115]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4853f9f82a7sm6141395e9.10.2026.03.08.23.26.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Mar 2026 23:26:22 -0700 (PDT) Message-ID: <9cb773f5209fc21a3842abe9e60a27b6130c7fd4.camel@redhat.com> Subject: Re: [PATCH v3 26/30] tools: verification: Append extra cflags From: Gabriele Monaco To: Leo Yan , Arnaldo Carvalho de Melo , Ian Rogers , Namhyung Kim , James Clark , Kees Cook , Quentin Monnet , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Bill Wendling , Justin Stitt , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Adrian Hunter , Masami Hiramatsu , William Breathitt Gray , Barry Song , Qinxin Xia , Bartosz Golaszewski , Kent Gibson , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Jonathan Cameron , David Lechner , Nuno =?ISO-8859-1?Q?S=E1?= , Andy Shevchenko , Andrew Morton , Willy Tarreau , Thomas =?ISO-8859-1?Q?Wei=DFschuh?= , Josh Poimboeuf , Robert Moore , Len Brown , Srinivas Pandruvada , Tejun Heo , David Vernet , Andrea Righi , Changwoo Min , Mark Brown , Steven Rostedt , Shuah Khan , Jiri Kosina , Benjamin Tissoires Cc: linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org Date: Mon, 09 Mar 2026 07:26:16 +0100 In-Reply-To: <20260308-tools_build_fix_zero_init-v3-26-6477808123b7@arm.com> References: <20260308-tools_build_fix_zero_init-v3-0-6477808123b7@arm.com> <20260308-tools_build_fix_zero_init-v3-26-6477808123b7@arm.com> Autocrypt: addr=gmonaco@redhat.com; prefer-encrypt=mutual; keydata=mDMEZuK5YxYJKwYBBAHaRw8BAQdAmJ3dM9Sz6/Hodu33Qrf8QH2bNeNbOikqYtxWFLVm0 1a0JEdhYnJpZWxlIE1vbmFjbyA8Z21vbmFjb0BrZXJuZWwub3JnPoiZBBMWCgBBFiEEysoR+AuB3R Zwp6j270psSVh4TfIFAmjKX2MCGwMFCQWjmoAFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4AACgk Q70psSVh4TfIQuAD+JulczTN6l7oJjyroySU55Fbjdvo52xiYYlMjPG7dCTsBAMFI7dSL5zg98I+8 cXY1J7kyNsY6/dcipqBM4RMaxXsOtCRHYWJyaWVsZSBNb25hY28gPGdtb25hY29AcmVkaGF0LmNvb T6InAQTFgoARAIbAwUJBaOagAULCQgHAgIiAgYVCgkICwIEFgIDAQIeBwIXgBYhBMrKEfgLgd0WcK eo9u9KbElYeE3yBQJoymCyAhkBAAoJEO9KbElYeE3yjX4BAJ/ETNnlHn8OjZPT77xGmal9kbT1bC1 7DfrYVISWV2Y1AP9HdAMhWNAvtCtN2S1beYjNybuK6IzWYcFfeOV+OBWRDQ== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Sun, 2026-03-08 at 16:46 +0000, Leo Yan wrote: > Append EXTRA_CFLAGS to CFLAGS so that additional flags can be applied to > the compiler. >=20 > Signed-off-by: Leo Yan Thanks, for the patch, however I don't think this is necessary for RV as EXTRA_CFLAGS are already appended to CFLAGS elsewhere [1]. Makefile.rv is included after the various Makefile.include, so I presume th= at's good to go for the new flags you're appending in this series. I did a quick check and I see -fzero-init-padding-bits=3Dall by just adding= 05/30 of this series. [1] - https://elixir.bootlin.com/linux/v6.19.3/source/tools/verification/rv/Makef= ile.rv#L29 > --- > =C2=A0tools/verification/rv/Makefile | 1 + > =C2=A01 file changed, 1 insertion(+) >=20 > diff --git a/tools/verification/rv/Makefile b/tools/verification/rv/Makef= ile > index > 5b898360ba4818b12e8a16c27bd88c75d0076fb9..2882f0e93dca03b31d790b42d2ee3d8= f73cc > 5c8b 100644 > --- a/tools/verification/rv/Makefile > +++ b/tools/verification/rv/Makefile > @@ -55,6 +55,7 @@ ifeq ($(config),1) > =C2=A0=C2=A0 include Makefile.config > =C2=A0endif > =C2=A0 > +CFLAGS +=3D $(EXTRA_CFLAGS) > =C2=A0CFLAGS +=3D $(INCLUDES) $(LIB_INCLUDES) > =C2=A0 > =C2=A0export CFLAGS OUTPUT srctree