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[195.23.151.163]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49234daafc7sm59819515e9.10.2026.06.17.10.40.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Jun 2026 10:40:06 -0700 (PDT) Sender: Julian Braha Message-ID: <0f131ee4-d335-45d2-b6ae-49c18df1353b@gmail.com> Date: Wed, 17 Jun 2026 18:40:05 +0100 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 10/10] RAS: add firmware-first CPER provider To: Ahmed Tiba , "Rafael J. Wysocki" , Tony Luck , Borislav Petkov , Hanjun Guo , Mauro Carvalho Chehab , Shuai Xue , Len Brown , Saket Dumbre , Davidlohr Bueso , Jonathan Cameron , Dave Jiang , Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Corbet , Shuah Khan Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev, linux-cxl@vger.kernel.org, devicetree@vger.kernel.org, linux-edac@vger.kernel.org, linux-doc@vger.kernel.org, Dmitry.Lamerov@arm.com References: <20260617-topics-ahmtib01-ras_ffh_arm_internal_review-v6-0-91f725174aa0@arm.com> <20260617-topics-ahmtib01-ras_ffh_arm_internal_review-v6-10-91f725174aa0@arm.com> Content-Language: en-US From: Julian Braha In-Reply-To: <20260617-topics-ahmtib01-ras_ffh_arm_internal_review-v6-10-91f725174aa0@arm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi again Ahmed, On 6/17/26 14:54, Ahmed Tiba wrote: > +config RAS_CPER_ESOURCE > + bool "Firmware-first CPER error source block provider" > + select GHES_CPER_HELPERS > + help > + Enable support for firmware-first Common Platform Error Record > + (CPER) error source block providers. The current in-tree user is > + described by the arm,ras-cper DeviceTree binding. The driver > + reuses the existing GHES CPER helpers so the error processing > + matches the ACPI code paths, but it can be built even when ACPI is > + disabled. Yep, sure enough, this patch causes a build error when you enable RAS_CPER_ESOURCE without enabling ACPI: drivers/firmware/efi/cper-x86.c: In function ‘cper_print_proc_ia’: drivers/firmware/efi/cper-x86.c:352:21: error: implicit declaration of function ‘arch_apei_report_x86_error’ [-Wimplicit-function-declaration] 352 | arch_apei_report_x86_error(ctx_info, proc->lapic_id)) { | ^~~~~~~~~~~~~~~~~~~~~~~~~~ - Julian Braha