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[175.34.8.244]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d04b0eb7c3sm46155275ad.54.2026.08.03.20.56.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Aug 2026 20:57:08 -0700 (PDT) Message-ID: <3326363d-45e6-405e-ba22-4b7d2c9832c0@redhat.com> Date: Tue, 4 Aug 2026 13:56:56 +1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7 07/11] arm_mpam: propagate MSC access errors for mpam_reprogram_ris_partid() To: Andre Przywara , Lorenzo Pieralisi , Hanjun Guo , Sudeep Holla , Catalin Marinas , Will Deacon , "Rafael J . Wysocki" , Len Brown , James Morse , Ben Horgan , Reinette Chatre , Fenghua Yu Cc: Jonathan Cameron , Srivathsa L Rao , Ganapatrao Kulkarni , Trilok Soni , Srinivas Ramana , Niyas Sait , Lee Trager , Ritwick Sharma , linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260731170324.2927758-1-andre.przywara@arm.com> <20260731170324.2927758-8-andre.przywara@arm.com> From: Gavin Shan In-Reply-To: <20260731170324.2927758-8-andre.przywara@arm.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: iqJo0eB1EXMchl2FdRc7JpC0N63qIpYF3DgWfl469cg_1785815830 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260803_205718_129127_7D714F9C X-CRM114-Status: GOOD ( 10.64 ) 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 8/1/26 3:03 AM, Andre Przywara wrote: > Allow the mpam_reprogram_ris_partid() function check for and return > errors, and propagate MSC read and write errors from the lower level up. > This also covers the callers of this function: mpam_reset_ris() and > apply_config(). > > Signed-off-by: Andre Przywara > --- > drivers/resctrl/mpam_devices.c | 136 ++++++++++++++++++++++----------- > 1 file changed, 93 insertions(+), 43 deletions(-) > Reviewed-by: Gavin Shan