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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cc1beb0f15dsm1281557a12.9.2026.08.26.10.37.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2026 10:37:41 -0700 (PDT) Message-ID: <315588d8-2a82-406b-a1e5-bcd00128c545@oss.qualcomm.com> Date: Wed, 26 Aug 2026 23:07:32 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 08/12] arm_mpam: propagate MSC access errors for interrupt control 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 , 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 References: <20260807105451.3728284-1-andre.przywara@arm.com> <20260807105451.3728284-9-andre.przywara@arm.com> Content-Language: en-US From: Srivathsa L Rao In-Reply-To: <20260807105451.3728284-9-andre.przywara@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: T2ieitISvazJEkbwD2eMGlAOhhCY-KUj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI2MDE0NyBTYWx0ZWRfX7qdCsoJQbf/3 /afY2gYuiICXJ34siJ3fStnBwo0P63JMn4J0dz7PGxWPpLi5PPYu1mDHBFw70XhP3lqOafOEASA Pa8sPoOkMX0RxsgUP2hA6gAid7MO702fURZzLmPMb/aSV/m0+pmNtECdIxBGEd+mRD92NMAI31z Gfc6gDY2fkg3yvD7H/S5xWQKGd0r8hG+9KpAiKQ/RwZ6m93xt/VEjJBFDyQN3ZetIrO3Y2NO93r tLe6j8DawAz1SHIrOYZiBsn4uq8cL/wa/TDukij2z6DfLRMkyzUaEY4+fwefLPnNGHkOwS2GUw1 kQWv6G4JTuiL8sinkWtE2KRlffwXuzpNAoW6JbeZzioPwGPDC+N/S5XoXlQX8qk2179AQp+wecK fJG8MPlREHd6AkF/n2rPBTsMRoEXQouC4nNY1g4MSbJryxJz5+IG1Jkt+bl1a7Wy6R8u78ayN1X LS0sTDHoVo1GU0A/Acw== X-Authority-Analysis: v=2.4 cv=Y77IdBeN c=1 sm=1 tr=0 ts=6a8f2467 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=7CQSdrXTAAAA:8 a=EUspDBNiAAAA:8 a=JeWy39_HCiB1Np-THXYA:9 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-ORIG-GUID: T2ieitISvazJEkbwD2eMGlAOhhCY-KUj X-Proofpoint-Spam-Info: AW1haW4tMjYwODI2MDE0NyBTYWx0ZWRfXwSwxmCkuwarN HztzyDAbzNBm1YzNrWSyqVcxQPj29AyBuKyP3RJ6HrFGIGJyciWStjXUFuyIpeQZ4oReULrKx2I 6GpYesRMTtJEwaAwFh3c49H4Gt5qpdE= 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=2026-08-26_05,2026-08-26_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 bulkscore=0 priorityscore=1501 clxscore=1015 phishscore=0 spamscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608260147 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260826_103744_744695_8A906231 X-CRM114-Status: GOOD ( 14.75 ) 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 8/7/2026 4:24 PM, Andre Przywara wrote: > Allow the functions dealing with interrupt registration and enablement > to check for and return errors, and propagate MSC read and write errors > from the lower level up. > This does not cover the IRQ handler yet, as this needs some more > attention. > > Signed-off-by: Andre Przywara > --- > drivers/resctrl/mpam_devices.c | 31 +++++++++++++++---------------- > 1 file changed, 15 insertions(+), 16 deletions(-) > > diff --git a/drivers/resctrl/mpam_devices.c b/drivers/resctrl/mpam_devices.c > index 49239b15a27f..1b07f7765f96 100644 > --- a/drivers/resctrl/mpam_devices.c > +++ b/drivers/resctrl/mpam_devices.c Reviewed-by: Srivathsa L Rao