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[199.106.103.254]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-145ad8e43d2sm1402048c88.12.2026.09.24.15.21.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 15:21:22 -0700 (PDT) Date: Thu, 24 Sep 2026 15:21:18 -0700 From: Jonathan Cameron To: Andre Przywara Cc: Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Catalin Marinas , Will Deacon , "Rafael J . Wysocki" , Len Brown , James Morse , Ben Horgan , Reinette Chatre , Fenghua Yu , Jonathan Cameron , Srivathsa L Rao , Ganapatrao Kulkarni , Trilok Soni , Srinivas Ramana , Niyas Sait , Lee Trager , Ritwick Sharma , Gavin Shan , linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v11 09/13] arm_mpam: propagate MSC access errors in mpam_reset_class_locked() Message-ID: <20260924152118.00001671@oss.qualcomm.com> In-Reply-To: <20260924152739.2865510-10-andre.przywara@arm.com> References: <20260924152739.2865510-1-andre.przywara@arm.com> <20260924152739.2865510-10-andre.przywara@arm.com> Organization: Qualcomm X-Mailer: Claws Mail 4.4.0 (GTK 3.24.51; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 28fCZCMFOYaX4eCVR1NtnXyut4vu3ce8 X-Authority-Analysis: v=2.4 cv=U/MHnuru c=1 sm=1 tr=0 ts=6ab5a265 cx=c_pps a=JYo30EpNSr/tUYqK9jHPoA==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=7CQSdrXTAAAA:8 a=EUspDBNiAAAA:8 a=ESexO8LFGIdw5cpBbeIA:9 a=CjuIK1q_8ugA:10 a=Fk4IpSoW4aLDllm1B1p-:22 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTI0MDA5MSBTYWx0ZWRfX71DggJgrfz1I qHsYzrlY6qO5AD3h6rYoBHdmSTc56Ef2+9nO0OmLKHIedozH6JiW90+XmWu+EO1vNGzV4odt6kR adRdP0LOsw/ggui+Bp7KjIPEYwLrncUF3ALbEa7aYLepO96jJ9XqlvG+loELDWrXZ7Ps3YawzQe 2bbA1OyvnFPhEKU1UOPbIshDzznPeBr+X2LAoBgrsk219T9BA3+h2QqKw9NOcKlUF8j/0rKC8KZ TpRdv0KqGEI2wGiXoHOr53StzFxND/Cyv+GAgYDo3MBmks4B9bL2lUKHlGYisjVNorHKr1oHL29 oWactn3nale/mQpM6mhllta+IhO+PBelD87IgfhhEWAOQOZ1n8usu0P3PJQzpUs+xLLpwAe2Shv KjH9YvXb1JxKuDhCC8mP+mL/zkXxeKB1cjzRU2xAG9s86JhoaGGth2f/iWsa4BhQV/vpBclicCW g7dG0ei/HEJbdvxx9pQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTI0MDA5MSBTYWx0ZWRfXz3CslpCF+I9r nTd+ll6KkMFuLqqcN2BcX6vgtZShGT0kbOOedJay+kdRcsByOozQCzLeWQ5mhoMoGZiBDJMR7Ee MuqY2w0tayw+FytMfIgduT33qgFfOKw= X-Proofpoint-ORIG-GUID: 28fCZCMFOYaX4eCVR1NtnXyut4vu3ce8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-24_05,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 impostorscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609240091 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260924_152126_254914_573042E0 X-CRM114-Status: GOOD ( 14.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 24 Sep 2026 17:27:35 +0200 Andre Przywara wrote: > The mpam_reset_ris() function can return an error, propagate this up > through mpam_reset_component_locked() to mpam_reset_class_locked(), > which is exported. The external caller is a void function, so cannot > really handle the error at the moment, but at least we report everything > on the MPAM interface side. > > Signed-off-by: Andre Przywara Reviewed-by: Jonathan Cameron