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Thu, 02 Oct 2025 04:51:04 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFiZ0Tp7eiBzvf0DenM28iIPgbDIMFoVMsSJWueKET191HqUB2L04iRl6mrUsuKThJQn393hA== X-Received: by 2002:a05:6000:40c7:b0:3ee:1279:6e68 with SMTP id ffacd0b85a97d-425578197dbmr5097936f8f.47.1759405864120; Thu, 02 Oct 2025 04:51:04 -0700 (PDT) Received: from gmonaco-thinkpadt14gen3.rmtit.csb ([185.107.56.30]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4255d8f45e9sm3367076f8f.51.2025.10.02.04.51.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Oct 2025 04:51:03 -0700 (PDT) Message-ID: <067420a47d3fd7d9f50e4bc97248d0b4b812f9cd.camel@redhat.com> Subject: Re: [PATCH 2/2] rv: Make rtapp/pagefault monitor depends on CONFIG_MMU From: Gabriele Monaco To: Nam Cao , Steven Rostedt Cc: Masami Hiramatsu , Mathieu Desnoyers , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, kernel test robot , stable@vger.kernel.org Date: Thu, 02 Oct 2025 13:51:01 +0200 In-Reply-To: <20251002082317.973839-1-namcao@linutronix.de> References: <20251002082317.973839-1-namcao@linutronix.de> 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 3.56.2 (3.56.2-2.fc42) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Thu, 2025-10-02 at 08:23 +0000, Nam Cao wrote: > There is no page fault without MMU. Compiling the rtapp/pagefault monitor > without CONFIG_MMU fails as page fault tracepoints' definitions are not > available. >=20 > Make rtapp/pagefault monitor depends on CONFIG_MMU. Makes sense. Reviewed-by: Gabriele Monaco Thanks, Gabriele >=20 > Fixes: 9162620eb604 ("rv: Add rtapp_pagefault monitor") > Signed-off-by: Nam Cao > Reported-by: kernel test robot > Closes: > https://lore.kernel.org/oe-kbuild-all/202509260455.6Z9Vkty4-lkp@intel.com= / > Cc: stable@vger.kernel.org > --- > =C2=A0kernel/trace/rv/monitors/pagefault/Kconfig | 1 + > =C2=A01 file changed, 1 insertion(+) >=20 > diff --git a/kernel/trace/rv/monitors/pagefault/Kconfig > b/kernel/trace/rv/monitors/pagefault/Kconfig > index 5e16625f1653..0e013f00c33b 100644 > --- a/kernel/trace/rv/monitors/pagefault/Kconfig > +++ b/kernel/trace/rv/monitors/pagefault/Kconfig > @@ -5,6 +5,7 @@ config RV_MON_PAGEFAULT > =C2=A0 select RV_LTL_MONITOR > =C2=A0 depends on RV_MON_RTAPP > =C2=A0 depends on X86 || RISCV > + depends on MMU > =C2=A0 default y > =C2=A0 select LTL_MON_EVENTS_ID > =C2=A0 bool "pagefault monitor"